From 9420702bba1fc8339a8315c940664bbe44680fe1 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sat, 18 Apr 2026 01:00:53 +0000
Subject: [PATCH 01/61] Saved progress at the end of the loop

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 6b577bdf-4171-4f31-b422-d8b0248c24bb
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/GROzbEv
Replit-Helium-Checkpoint-Created: true
---
 .replit | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.replit b/.replit
index 6b31dd4b8..9924c97db 100644
--- a/.replit
+++ b/.replit
@@ -35,7 +35,7 @@ PORT = "5000"
 
 [deployment]
 deploymentTarget = "autoscale"
-run = ["npm", "start"]
+run = ["bash", "scripts/start-prod.sh"]
 build = ["bash", "scripts/build-prod.sh"]
 publicDir = "dist/public"
 

From 83c3ce8df663979dd61c965a0fb36a616d515581 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sat, 18 Apr 2026 01:10:19 +0000
Subject: [PATCH 02/61] Published your App

Replit-Commit-Author: Deployment
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: bb2f4b04-aa5a-47fe-b920-a81639b5a0ef
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/1ws9t56
Replit-Commit-Deployment-Build-Id: a56ec423-28e7-4ab0-b291-4817667fa4cc
Replit-Helium-Checkpoint-Created: true

From 92cc04b73d8c0edb49fb488a828a6ad7c923e00f Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sat, 18 Apr 2026 01:26:03 +0000
Subject: [PATCH 03/61] Register subagent chat endpoint for proper request
 handling

Add focus_router import and include it in ALL_ROUTERS in python/routes/__init__.py to properly register the POST /api/v1/subagent endpoint.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: b36275c8-39d6-4945-b721-8257cc953e6c
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/1ws9t56
Replit-Helium-Checkpoint-Created: true
---
 python/routes/__init__.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/python/routes/__init__.py b/python/routes/__init__.py
index 18fc12597..dfd65299b 100644
--- a/python/routes/__init__.py
+++ b/python/routes/__init__.py
@@ -21,6 +21,7 @@
 from .sigma_api import router as sigma_router
 from .editable_schema import router as editable_schema_router
 from .cli import router as cli_router
+from .focus import router as focus_router
 
 ALL_ROUTERS = [
     chat_router,
@@ -46,6 +47,7 @@
     sigma_router,
     editable_schema_router,
     cli_router,
+    focus_router,
 ]
 
 

From dfd94f3104e3ee1eb2aeee7715a098c90046c5c2 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sat, 18 Apr 2026 01:28:58 +0000
Subject: [PATCH 04/61] Prevent user prompts from displaying a model name badge

Conditionally render the model badge component, ensuring it only appears for assistant messages and not user-submitted prompts by checking the `isUser` flag in `chat-messages.tsx`.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: f67672aa-85c0-4fe8-b361-d075a2340f1c
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/5KEasmR
Replit-Helium-Checkpoint-Created: true
---
 client/src/components/chat-messages.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/client/src/components/chat-messages.tsx b/client/src/components/chat-messages.tsx
index bd3c7e0ca..1de780c4b 100644
--- a/client/src/components/chat-messages.tsx
+++ b/client/src/components/chat-messages.tsx
@@ -258,7 +258,7 @@ export function MessageBubble({ message, onSend }: { message: Message; onSend: (
           <pre className="mt-2 text-[10px] bg-black/10 rounded p-2 overflow-x-auto whitespace-pre-wrap opacity-80" data-testid={`error-detail-${message.id}`}>{message.metadata.error_detail}</pre>
         )}
         <div className="flex items-center gap-1.5 mt-1.5 flex-wrap">
-          {message.model && <Badge variant="outline" className="text-[9px] h-4 px-1">{message.model}</Badge>}
+          {message.model && !isUser && <Badge variant="outline" className="text-[9px] h-4 px-1">{message.model}</Badge>}
           {tokCount !== null && !isUser && (
             <Badge variant="outline" className="text-[9px] h-4 px-1 text-muted-foreground" data-testid={`tokens-msg-${message.id}`}>{fmtTokens(tokCount)} tok</Badge>
           )}

From 28f3935c30b11f240ce00a29c66ea0ce7b4fa054 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sat, 18 Apr 2026 01:35:54 +0000
Subject: [PATCH 05/61] Add a command-line interface for interacting with the
 AI agent

Serve a shell script at the /a0 endpoint that allows users to interact with the AI agent from their terminal, with support for one-shot commands and an interactive REPL.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 61e00f11-e74e-42ed-9efe-425029a37bca
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/5KEasmR
Replit-Helium-Checkpoint-Created: true
---
 client/src/components/CliKeysTab.tsx |  10 ++-
 scripts/a0-cli.sh                    | 114 +++++++++++++++++++++++++++
 server/index.ts                      |  12 +++
 3 files changed, 132 insertions(+), 4 deletions(-)
 create mode 100755 scripts/a0-cli.sh

diff --git a/client/src/components/CliKeysTab.tsx b/client/src/components/CliKeysTab.tsx
index c49eadbb6..96a041d9d 100644
--- a/client/src/components/CliKeysTab.tsx
+++ b/client/src/components/CliKeysTab.tsx
@@ -134,12 +134,14 @@ export default function CliKeysTab() {
         <p className="text-sm font-semibold">Setup (Termux / any shell)</p>
         <pre className="text-xs overflow-x-auto whitespace-pre-wrap">
 {`# Install
-curl -fsSL https://your-app.replit.app/a0 -o ~/.local/bin/a0
+mkdir -p ~/.local/bin
+curl -fsSL ${window.location.origin}/a0 -o ~/.local/bin/a0
 chmod +x ~/.local/bin/a0
+export PATH="$HOME/.local/bin:$PATH"
 
-# Configure
+# Configure (paste your key from above)
 export A0_KEY="a0k_..."
-export A0_HOST="https://your-app.replit.app"
+export A0_HOST="${window.location.origin}"
 
 # One-shot
 a0 "what tier am I?"
@@ -150,7 +152,7 @@ a0`}
         <Button
           size="sm"
           variant="outline"
-          onClick={() => copy(`curl -fsSL ${window.location.origin}/a0 -o ~/.local/bin/a0 && chmod +x ~/.local/bin/a0`)}
+          onClick={() => copy(`mkdir -p ~/.local/bin && curl -fsSL ${window.location.origin}/a0 -o ~/.local/bin/a0 && chmod +x ~/.local/bin/a0`)}
           data-testid="button-copy-install"
         >
           <Copy className="h-4 w-4 mr-1" /> Copy install command
diff --git a/scripts/a0-cli.sh b/scripts/a0-cli.sh
new file mode 100755
index 000000000..5b989cfde
--- /dev/null
+++ b/scripts/a0-cli.sh
@@ -0,0 +1,114 @@
+#!/usr/bin/env bash
+# a0 — terminal client for the a0p platform
+# Usage:
+#   a0                          interactive REPL (multi-turn)
+#   a0 "your question"          one-shot
+#   a0 --new "your question"    one-shot, force a fresh conversation
+#   a0 -c <id> "your question"  resume an existing conversation by id
+#
+# Auth (required):
+#   export A0_KEY="a0k_..."     CLI key from the Console → CLI Keys tab
+#   export A0_HOST="https://your-app.replit.app"
+set -euo pipefail
+
+: "${A0_KEY:?A0_KEY is not set — generate one in the Console → CLI Keys tab}"
+: "${A0_HOST:?A0_HOST is not set — e.g. https://your-app.replit.app}"
+
+if ! command -v curl >/dev/null 2>&1; then
+  echo "a0: curl is required" >&2
+  exit 1
+fi
+HAVE_JQ=0
+if command -v jq >/dev/null 2>&1; then HAVE_JQ=1; fi
+
+ENDPOINT="${A0_HOST%/}/api/v1/cli/chat"
+
+# Minimal JSON string escaper (no jq dependency for the request body).
+json_escape() {
+  python3 -c 'import json,sys; print(json.dumps(sys.stdin.read()))' 2>/dev/null \
+    || node -e 'process.stdout.write(JSON.stringify(require("fs").readFileSync(0,"utf8")))' 2>/dev/null \
+    || awk 'BEGIN{ORS=""} {gsub(/\\/,"\\\\"); gsub(/"/,"\\\""); gsub(/\t/,"\\t"); gsub(/\r/,""); printf "%s\\n", $0} END{print ""}' \
+       | sed -e 's/^/"/' -e 's/$/"/'
+}
+
+send() {
+  local message="$1"
+  local conv_id="${2:-}"
+  local body
+  if [ -n "$conv_id" ]; then
+    body=$(printf '{"message":%s,"conversation_id":%s}' "$(printf '%s' "$message" | json_escape)" "$conv_id")
+  else
+    body=$(printf '{"message":%s}' "$(printf '%s' "$message" | json_escape)")
+  fi
+  curl -sS -X POST "$ENDPOINT" \
+    -H "Authorization: Bearer $A0_KEY" \
+    -H "Content-Type: application/json" \
+    --data-binary "$body"
+}
+
+# Pretty-print {"reply": "...", "conversation_id": N, ...}
+print_reply() {
+  local raw="$1"
+  if [ "$HAVE_JQ" = "1" ]; then
+    local err reply cid
+    err=$(printf '%s' "$raw" | jq -r '.detail // empty')
+    if [ -n "$err" ]; then echo "a0: $err" >&2; return 1; fi
+    reply=$(printf '%s' "$raw" | jq -r '.reply // empty')
+    cid=$(printf '%s' "$raw" | jq -r '.conversation_id // empty')
+    [ -n "$reply" ] && printf '%s\n' "$reply"
+    [ -n "$cid" ]   && printf '%s' "$cid" >&3 2>/dev/null || true
+  else
+    # Fallback: dump raw JSON
+    printf '%s\n' "$raw"
+  fi
+}
+
+# ---- argv parsing ----
+NEW_CONV=0
+CONV_ID=""
+ARGS=()
+while [ $# -gt 0 ]; do
+  case "$1" in
+    --new) NEW_CONV=1; shift ;;
+    -c|--conversation) CONV_ID="${2:-}"; shift 2 ;;
+    -h|--help)
+      sed -n '2,12p' "$0" | sed 's/^# \{0,1\}//'
+      exit 0 ;;
+    *) ARGS+=("$1"); shift ;;
+  esac
+done
+
+# ---- one-shot ----
+if [ ${#ARGS[@]} -gt 0 ]; then
+  msg="${ARGS[*]}"
+  cid="$CONV_ID"
+  [ "$NEW_CONV" = "1" ] && cid=""
+  raw=$(send "$msg" "$cid")
+  exec 3>/dev/null
+  print_reply "$raw"
+  exit 0
+fi
+
+# ---- interactive REPL ----
+echo "a0 — interactive (Ctrl+D or 'exit' to quit)"
+CONV="$CONV_ID"
+[ "$NEW_CONV" = "1" ] && CONV=""
+while IFS= read -r -p "› " line; do
+  [ -z "$line" ] && continue
+  case "$line" in
+    exit|quit|:q) break ;;
+    /new) CONV=""; echo "(new conversation)"; continue ;;
+    /id)  echo "conversation_id=${CONV:-<none>}"; continue ;;
+  esac
+  raw=$(send "$line" "$CONV")
+  if [ "$HAVE_JQ" = "1" ]; then
+    err=$(printf '%s' "$raw" | jq -r '.detail // empty')
+    if [ -n "$err" ]; then echo "a0: $err" >&2; continue; fi
+    reply=$(printf '%s' "$raw" | jq -r '.reply // empty')
+    cid=$(printf '%s' "$raw" | jq -r '.conversation_id // empty')
+    [ -n "$cid" ] && CONV="$cid"
+    printf '%s\n' "$reply"
+  else
+    printf '%s\n' "$raw"
+  fi
+done
diff --git a/server/index.ts b/server/index.ts
index 763be76a3..82a678d9f 100644
--- a/server/index.ts
+++ b/server/index.ts
@@ -85,6 +85,18 @@ async function waitForPython(maxWaitMs = 120_000): Promise<void> {
   registerGuestChatRoute(app);
   await seedAdminUser();
 
+  // Serve the a0 CLI script as plain text so users can `curl -fsSL <host>/a0 -o ~/.local/bin/a0`.
+  app.get("/a0", (_req, res) => {
+    const cliPath = path.resolve(process.cwd(), "scripts", "a0-cli.sh");
+    if (!fs.existsSync(cliPath)) {
+      res.status(404).type("text/plain").send("# a0 CLI script missing");
+      return;
+    }
+    res.setHeader("Content-Type", "text/x-shellscript; charset=utf-8");
+    res.setHeader("Cache-Control", "public, max-age=300");
+    res.sendFile(cliPath);
+  });
+
   app.use("/api/v1/guest", (_req, res) => {
     res.status(404).json({ error: "Not found" });
   });

From f8d8379c00d21f102557a1bca6b751ff8901c5cd Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sat, 18 Apr 2026 04:54:57 +0000
Subject: [PATCH 06/61] Add ability to post tweets to X (Twitter) using API
 credentials

Integrate X (Twitter) posting functionality by adding a new tool schema and implementing OAuth 1.0a signing for authenticated API requests.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 02b8f569-4fd8-4cad-80f5-00454bc29ca6
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/yzQr6YW
Replit-Helium-Checkpoint-Created: true
---
 python/main.py                   |   4 +
 python/services/tool_executor.py | 127 ++++++++++++++++++++++++++++++-
 2 files changed, 130 insertions(+), 1 deletion(-)

diff --git a/python/main.py b/python/main.py
index 580d01773..de13883ff 100644
--- a/python/main.py
+++ b/python/main.py
@@ -86,6 +86,10 @@ def get_pcna_8() -> PCNAEngine:
         "description": "Set a user's subscription tier (admin-only). Params: user_id (string), tier (string — one of: free, ws, pro, admin, seeker, operator, patron, founder). Requires the calling session to have is_admin: true. Changes take effect immediately without a subscription change.",
         "handler_type": "internal",
     },
+    "post_tweet": {
+        "description": "Post a tweet to X (Twitter) using OAuth 1.0a credentials. Params: text (≤280 chars), reply_to (optional tweet id). Requires X_API_KEY/SECRET and X_ACCESS_TOKEN/SECRET env vars.",
+        "handler_type": "internal",
+    },
 }
 
 
diff --git a/python/services/tool_executor.py b/python/services/tool_executor.py
index 1a3bd8d91..d2d39b009 100644
--- a/python/services/tool_executor.py
+++ b/python/services/tool_executor.py
@@ -3,8 +3,13 @@
 ZFAE Tool Executor — implements the actual functions behind each agent tool.
 Called by the inference loop when the LLM issues a tool_call.
 """
+import base64
+import hashlib
+import hmac
 import json
 import os
+import secrets as _secrets
+import time as _time
 import urllib.parse
 import contextvars as _cv
 import httpx
@@ -281,6 +286,31 @@
             },
         },
     },
+    {
+        "type": "function",
+        "function": {
+            "name": "post_tweet",
+            "description": (
+                "Post a tweet to X (Twitter) using the configured OAuth 1.0a credentials. "
+                "Returns the new tweet's id and URL on success. "
+                "Text must be 1–280 characters. Optionally pass reply_to to reply to an existing tweet."
+            ),
+            "parameters": {
+                "type": "object",
+                "properties": {
+                    "text": {
+                        "type": "string",
+                        "description": "Tweet text, 1–280 characters.",
+                    },
+                    "reply_to": {
+                        "type": "string",
+                        "description": "Optional tweet id to reply to.",
+                    },
+                },
+                "required": ["text"],
+            },
+        },
+    },
     {
         "type": "function",
         "function": {
@@ -378,6 +408,11 @@ async def execute_tool(name: str, arguments: dict) -> str:
                 user_id=arguments.get("user_id", ""),
                 tier=arguments.get("tier", ""),
             )
+        if name == "post_tweet":
+            return await _post_tweet(
+                text=arguments.get("text", ""),
+                reply_to=arguments.get("reply_to"),
+            )
         return f"[unknown tool: {name}]"
     except Exception as exc:
         return f"[tool error — {name}: {exc}]"
@@ -763,4 +798,94 @@ async def _set_user_tier(user_id: str, tier: str) -> str:
         "email": updated["email"],
         "tier": updated["subscription_tier"],
     })
-# 540:12
+
+
+def _oauth1_pct(s: str) -> str:
+    return urllib.parse.quote(str(s), safe="-._~")
+
+
+def _oauth1_header(method: str, url: str, consumer_key: str, consumer_secret: str,
+                   token: str, token_secret: str) -> str:
+    """Build an OAuth 1.0a HMAC-SHA1 Authorization header for a request with no
+    form-encoded body params (JSON body is not part of the signature base string)."""
+    oauth_params = {
+        "oauth_consumer_key": consumer_key,
+        "oauth_nonce": _secrets.token_hex(16),
+        "oauth_signature_method": "HMAC-SHA1",
+        "oauth_timestamp": str(int(_time.time())),
+        "oauth_token": token,
+        "oauth_version": "1.0",
+    }
+    parsed = urllib.parse.urlsplit(url)
+    base_url = f"{parsed.scheme}://{parsed.netloc}{parsed.path}"
+    query_params = dict(urllib.parse.parse_qsl(parsed.query, keep_blank_values=True))
+    sig_params = {**query_params, **oauth_params}
+    sorted_pairs = sorted(
+        (_oauth1_pct(k), _oauth1_pct(v)) for k, v in sig_params.items()
+    )
+    param_string = "&".join(f"{k}={v}" for k, v in sorted_pairs)
+    base_string = "&".join([
+        method.upper(),
+        _oauth1_pct(base_url),
+        _oauth1_pct(param_string),
+    ])
+    signing_key = f"{_oauth1_pct(consumer_secret)}&{_oauth1_pct(token_secret)}"
+    digest = hmac.new(signing_key.encode(), base_string.encode(), hashlib.sha1).digest()
+    oauth_params["oauth_signature"] = base64.b64encode(digest).decode()
+    header = "OAuth " + ", ".join(
+        f'{_oauth1_pct(k)}="{_oauth1_pct(v)}"'
+        for k, v in sorted(oauth_params.items())
+    )
+    return header
+
+
+async def _post_tweet(text: str, reply_to: str | None = None) -> str:
+    text = (text or "").strip()
+    if not text:
+        return json.dumps({"ok": False, "error": "text is required"})
+    if len(text) > 280:
+        return json.dumps({"ok": False, "error": f"text too long ({len(text)}/280)"})
+
+    ck = os.environ.get("X_API_KEY")
+    cs = os.environ.get("X_API_SECRET")
+    tk = os.environ.get("X_ACCESS_TOKEN")
+    ts = os.environ.get("X_ACCESS_TOKEN_SECRET")
+    if not (ck and cs and tk and ts):
+        return json.dumps({
+            "ok": False,
+            "error": "missing X credentials — need X_API_KEY, X_API_SECRET, X_ACCESS_TOKEN, X_ACCESS_TOKEN_SECRET",
+        })
+
+    url = "https://api.x.com/2/tweets"
+    body: dict = {"text": text}
+    if reply_to:
+        body["reply"] = {"in_reply_to_tweet_id": str(reply_to)}
+
+    auth_header = _oauth1_header("POST", url, ck, cs, tk, ts)
+    try:
+        async with httpx.AsyncClient(timeout=15.0) as client:
+            resp = await client.post(
+                url,
+                json=body,
+                headers={
+                    "Authorization": auth_header,
+                    "Content-Type": "application/json",
+                    "User-Agent": "a0p/2.0",
+                },
+            )
+        try:
+            data = resp.json()
+        except Exception:
+            data = {"raw": resp.text}
+        if resp.status_code >= 300:
+            return json.dumps({"ok": False, "status": resp.status_code, "error": data})
+        tweet_id = (data.get("data") or {}).get("id")
+        return json.dumps({
+            "ok": True,
+            "id": tweet_id,
+            "url": f"https://x.com/i/web/status/{tweet_id}" if tweet_id else None,
+            "text": (data.get("data") or {}).get("text", text),
+        })
+    except Exception as exc:
+        return json.dumps({"ok": False, "error": f"request failed: {exc}"})
+# 633:14

From f4041d2605febe7287135e323bb5d6af33145c34 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sat, 18 Apr 2026 05:50:00 +0000
Subject: [PATCH 07/61] Update GitHub Actions to use current Node.js versions

Update GitHub Actions workflow files to use v5 of checkout and setup-node actions and v6 of setup-python action to address Node.js 20 deprecation warnings.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 68834e75-4160-49be-a182-e658ef121cb3
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/yzQr6YW
Replit-Helium-Checkpoint-Created: true
---
 .github/workflows/clean-build-check.yml | 4 ++--
 .github/workflows/deploy.yml            | 8 ++++----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/.github/workflows/clean-build-check.yml b/.github/workflows/clean-build-check.yml
index 0ac80ee84..e6753f1b8 100644
--- a/.github/workflows/clean-build-check.yml
+++ b/.github/workflows/clean-build-check.yml
@@ -15,10 +15,10 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v5
         with:
           node-version: "20"
           cache: "npm"
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 107b253d8..7c7fd1501 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -41,16 +41,16 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v5
         with:
           node-version: '20'
           cache: npm
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.12'
           cache: pip
@@ -102,7 +102,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Authenticate to Google Cloud
         id: auth

From 9008c836a45a711e74731a4df5e69f431e9a85f0 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sat, 18 Apr 2026 07:20:46 +0000
Subject: [PATCH 08/61] Add character sheet fields to agent instances table

Extend the agent_instances table schema to include fields for archetype, model selection, personality traits, system prompts, and other configuration options for agents.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 9375510c-af2b-4a45-9f1f-fdaa64c2cd9f
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/yzQr6YW
Replit-Helium-Checkpoint-Created: true
---
 shared/schema.ts | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/shared/schema.ts b/shared/schema.ts
index c8404871a..fdf08318c 100644
--- a/shared/schema.ts
+++ b/shared/schema.ts
@@ -363,6 +363,12 @@ function initAgentSeeds(): AgentSeed[] {
   }));
 }
 
+export interface AgentPersonality {
+  traits: string[];
+  alignment: string;
+  verbosity: number;
+}
+
 export const agentInstances = pgTable("agent_instances", {
   id: serial("id").primaryKey(),
   name: text("name").notNull().unique(),
@@ -377,6 +383,16 @@ export const agentInstances = pgTable("agent_instances", {
   lastTickAt: timestamp("last_tick_at"),
   isPersistent: boolean("is_persistent").notNull().default(false),
   banditArmId: integer("bandit_arm_id"),
+  archetype: text("archetype"),
+  modelId: text("model_id"),
+  provider: text("provider"),
+  enabledTools: jsonb("enabled_tools").$type<string[]>().default([]),
+  systemPrompt: text("system_prompt"),
+  personality: jsonb("personality").$type<AgentPersonality>(),
+  ownerId: text("owner_id"),
+  isTemplate: boolean("is_template").notNull().default(false),
+  parentId: integer("parent_id"),
+  mergedAt: timestamp("merged_at"),
   createdAt: timestamp("created_at").default(sql`CURRENT_TIMESTAMP`).notNull(),
 });
 

From fa53742ff5564925eabc9b446e4c05e86cdcf859 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sat, 18 Apr 2026 07:21:19 +0000
Subject: [PATCH 09/61] Add RPG elements and combat system for agent versus
 agent gaming

Introduce new tables for agent stats, matches, and related fields to agent instances schema.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: a2410da2-f3b4-47ba-b03a-b6e50ff8c556
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/yzQr6YW
Replit-Helium-Checkpoint-Created: true
---
 shared/schema.ts | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/shared/schema.ts b/shared/schema.ts
index fdf08318c..a7e0a1eb4 100644
--- a/shared/schema.ts
+++ b/shared/schema.ts
@@ -369,6 +369,15 @@ export interface AgentPersonality {
   verbosity: number;
 }
 
+export interface AgentStats {
+  reasoning: number;
+  speed: number;
+  resilience: number;
+  creativity: number;
+  memory: number;
+  charisma: number;
+}
+
 export const agentInstances = pgTable("agent_instances", {
   id: serial("id").primaryKey(),
   name: text("name").notNull().unique(),
@@ -393,9 +402,34 @@ export const agentInstances = pgTable("agent_instances", {
   isTemplate: boolean("is_template").notNull().default(false),
   parentId: integer("parent_id"),
   mergedAt: timestamp("merged_at"),
+  level: integer("level").notNull().default(1),
+  xp: integer("xp").notNull().default(0),
+  hp: integer("hp").notNull().default(100),
+  wins: integer("wins").notNull().default(0),
+  losses: integer("losses").notNull().default(0),
+  draws: integer("draws").notNull().default(0),
+  stats: jsonb("stats").$type<AgentStats>(),
+  loadout: jsonb("loadout").$type<string[]>().default([]),
   createdAt: timestamp("created_at").default(sql`CURRENT_TIMESTAMP`).notNull(),
 });
 
+export const agentMatches = pgTable("agent_matches", {
+  id: serial("id").primaryKey(),
+  attackerId: integer("attacker_id").notNull(),
+  defenderId: integer("defender_id").notNull(),
+  mode: text("mode").notNull().default("duel"),
+  rounds: jsonb("rounds").$type<Array<Record<string, unknown>>>().default([]),
+  winnerId: integer("winner_id"),
+  xpAwarded: jsonb("xp_awarded").$type<Record<string, number>>(),
+  status: text("status").notNull().default("pending"),
+  startedAt: timestamp("started_at").default(sql`CURRENT_TIMESTAMP`).notNull(),
+  finishedAt: timestamp("finished_at"),
+});
+
+export const insertAgentMatchSchema = createInsertSchema(agentMatches).omit({ id: true, startedAt: true });
+export type AgentMatch = typeof agentMatches.$inferSelect;
+export type InsertAgentMatch = z.infer<typeof insertAgentMatchSchema>;
+
 export const insertAgentInstanceSchema = createInsertSchema(agentInstances).omit({ id: true, createdAt: true });
 export type AgentInstance = typeof agentInstances.$inferSelect;
 export type InsertAgentInstance = z.infer<typeof insertAgentInstanceSchema>;

From a2803583beb0922c3fced5e63962fcf55f801e80 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sat, 18 Apr 2026 07:39:16 +0000
Subject: [PATCH 10/61] Add a character-creation forge for AI agents with
 customizable traits

Implement a new "Forge" tab for creating AI agents with selectable archetypes, models, tools, and personality settings, while also updating backend routes and database schema to support agent instantiation and management.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 601f595c-3619-4133-99d4-7e9be7842433
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/Io9SORr
Replit-Helium-Checkpoint-Created: true
---
 client/src/components/ForgeTab.tsx | 294 ++++++++++++++++++++++++
 client/src/pages/console.tsx       |   2 +
 python/routes/__init__.py          |   5 +-
 python/routes/forge.py             | 357 +++++++++++++++++++++++++++++
 replit.md                          |  12 +
 shared/schema.ts                   |   4 +-
 6 files changed, 672 insertions(+), 2 deletions(-)
 create mode 100644 client/src/components/ForgeTab.tsx
 create mode 100644 python/routes/forge.py

diff --git a/client/src/components/ForgeTab.tsx b/client/src/components/ForgeTab.tsx
new file mode 100644
index 000000000..f60bad3b0
--- /dev/null
+++ b/client/src/components/ForgeTab.tsx
@@ -0,0 +1,294 @@
+import { useState } from "react";
+import { useQuery, useMutation } from "@tanstack/react-query";
+import { Hammer, Sparkles, Trash2, Loader2 } from "lucide-react";
+import { apiRequest, queryClient } from "@/lib/queryClient";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { Textarea } from "@/components/ui/textarea";
+import { Label } from "@/components/ui/label";
+import { Checkbox } from "@/components/ui/checkbox";
+import { Slider } from "@/components/ui/slider";
+import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
+import { Badge } from "@/components/ui/badge";
+import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select";
+import { useToast } from "@/hooks/use-toast";
+
+type Archetype = {
+  id: string;
+  name: string;
+  genre: string;
+  blurb: string;
+  personality: { traits: string[]; alignment: string; verbosity: number };
+  stats: Record<string, number>;
+  suggested_tools: string[];
+  system_prompt: string;
+};
+
+type Tool = { name: string; description: string; category: string };
+type Model = { id: string; label: string; vendor: string; available: boolean; active: boolean };
+type Agent = {
+  id: number;
+  name: string;
+  archetype: string | null;
+  model_id: string | null;
+  enabled_tools: string[] | null;
+  level: number;
+  xp: number;
+  hp: number;
+  stats: Record<string, number> | null;
+  personality: { traits: string[]; alignment: string; verbosity: number } | null;
+  avatar_url: string | null;
+};
+
+const ALIGNMENTS = [
+  "lawful-good", "neutral-good", "chaotic-good",
+  "lawful-neutral", "true-neutral", "chaotic-neutral",
+  "lawful-evil", "neutral-evil", "chaotic-evil",
+];
+
+export default function ForgeTab() {
+  const { toast } = useToast();
+  const [selected, setSelected] = useState<Archetype | null>(null);
+  const [name, setName] = useState("");
+  const [modelId, setModelId] = useState<string>("");
+  const [tools, setTools] = useState<string[]>([]);
+  const [prompt, setPrompt] = useState("");
+  const [alignment, setAlignment] = useState("neutral-good");
+  const [verbosity, setVerbosity] = useState(5);
+  const [traits, setTraits] = useState("");
+
+  const tplQ = useQuery<{ templates: Archetype[] }>({ queryKey: ["/api/v1/forge/templates"] });
+  const toolsQ = useQuery<{ tools: Tool[] }>({ queryKey: ["/api/v1/forge/tools"] });
+  const modelsQ = useQuery<{ models: Model[] }>({ queryKey: ["/api/v1/forge/models"] });
+  const agentsQ = useQuery<{ agents: Agent[] }>({ queryKey: ["/api/v1/forge/agents"] });
+
+  const pickArchetype = (a: Archetype) => {
+    setSelected(a);
+    setName(a.name);
+    setTools(a.suggested_tools);
+    setPrompt(a.system_prompt);
+    setAlignment(a.personality.alignment);
+    setVerbosity(a.personality.verbosity);
+    setTraits(a.personality.traits.join(", "));
+  };
+
+  const instantiate = useMutation({
+    mutationFn: async () => {
+      if (!selected) throw new Error("Pick an archetype first");
+      return await apiRequest("POST", "/api/v1/forge/instantiate", {
+        template_id: selected.id,
+        name: name.trim(),
+        model_id: modelId || undefined,
+        enabled_tools: tools,
+        system_prompt_override: prompt,
+        personality_override: {
+          traits: traits.split(",").map(t => t.trim()).filter(Boolean),
+          alignment,
+          verbosity,
+        },
+      });
+    },
+    onSuccess: () => {
+      toast({ title: "Forged", description: `${name} joins the roster.` });
+      queryClient.invalidateQueries({ queryKey: ["/api/v1/forge/agents"] });
+      setSelected(null); setName(""); setTools([]); setPrompt("");
+    },
+    onError: (e: Error) => toast({ title: "Forge failed", description: e.message, variant: "destructive" }),
+  });
+
+  const removeAgent = useMutation({
+    mutationFn: async (id: number) => apiRequest("DELETE", `/api/v1/forge/agents/${id}`),
+    onSuccess: () => queryClient.invalidateQueries({ queryKey: ["/api/v1/forge/agents"] }),
+  });
+
+  const toggleTool = (n: string) =>
+    setTools(prev => prev.includes(n) ? prev.filter(x => x !== n) : [...prev, n]);
+
+  const toolsByCategory: Record<string, Tool[]> = {};
+  (toolsQ.data?.tools || []).forEach(t => {
+    (toolsByCategory[t.category] = toolsByCategory[t.category] || []).push(t);
+  });
+
+  return (
+    <div className="h-full overflow-auto p-4 space-y-6" data-testid="tab-content-forge">
+      <header className="flex items-center gap-3">
+        <Hammer className="h-6 w-6 text-primary" />
+        <div>
+          <h1 className="text-2xl font-bold" data-testid="text-forge-title">The Forge</h1>
+          <p className="text-sm text-muted-foreground">Pick an archetype, swap in a model, check tools, ship an agent.</p>
+        </div>
+      </header>
+
+      <section>
+        <h2 className="text-sm font-semibold uppercase tracking-wide text-muted-foreground mb-2">Archetypes</h2>
+        {tplQ.isLoading ? <Loader2 className="h-4 w-4 animate-spin" /> : (
+          <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-4 gap-3">
+            {tplQ.data?.templates.map(a => (
+              <Card
+                key={a.id}
+                className={`cursor-pointer hover-elevate ${selected?.id === a.id ? "ring-2 ring-primary" : ""}`}
+                onClick={() => pickArchetype(a)}
+                data-testid={`card-archetype-${a.id}`}
+              >
+                <CardHeader className="pb-2">
+                  <CardTitle className="text-base flex items-center justify-between">
+                    {a.name}
+                    <Badge variant="outline" className="text-xs">{a.genre}</Badge>
+                  </CardTitle>
+                </CardHeader>
+                <CardContent className="text-xs text-muted-foreground space-y-1">
+                  <p>{a.blurb}</p>
+                  <p className="font-mono">{a.personality.alignment}</p>
+                </CardContent>
+              </Card>
+            ))}
+          </div>
+        )}
+      </section>
+
+      {selected && (
+        <section className="space-y-4 border rounded-lg p-4 bg-card">
+          <h2 className="text-lg font-semibold flex items-center gap-2">
+            <Sparkles className="h-4 w-4" /> Character Sheet — {selected.name}
+          </h2>
+
+          <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
+            <div>
+              <Label htmlFor="forge-name">Agent Name</Label>
+              <Input id="forge-name" value={name} onChange={e => setName(e.target.value)}
+                data-testid="input-agent-name" />
+            </div>
+            <div>
+              <Label htmlFor="forge-model">Model</Label>
+              <Select value={modelId} onValueChange={setModelId}>
+                <SelectTrigger id="forge-model" data-testid="select-model">
+                  <SelectValue placeholder="Use active model" />
+                </SelectTrigger>
+                <SelectContent>
+                  {modelsQ.data?.models.map(m => (
+                    <SelectItem key={m.id} value={m.id} disabled={!m.available}>
+                      {m.label} {!m.available && "(no key)"}
+                    </SelectItem>
+                  ))}
+                </SelectContent>
+              </Select>
+            </div>
+          </div>
+
+          <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
+            <div>
+              <Label>Alignment</Label>
+              <div className="grid grid-cols-3 gap-1 mt-1">
+                {ALIGNMENTS.map(a => (
+                  <Button
+                    key={a}
+                    type="button"
+                    size="sm"
+                    variant={alignment === a ? "default" : "outline"}
+                    className="text-xs h-8"
+                    onClick={() => setAlignment(a)}
+                    data-testid={`button-alignment-${a}`}
+                  >
+                    {a.split("-").map(w => w[0].toUpperCase()).join("")}
+                  </Button>
+                ))}
+              </div>
+              <p className="text-xs text-muted-foreground mt-1">{alignment}</p>
+            </div>
+            <div>
+              <Label>Verbosity: {verbosity}</Label>
+              <Slider value={[verbosity]} min={1} max={10} step={1}
+                onValueChange={v => setVerbosity(v[0])}
+                data-testid="slider-verbosity" />
+              <Label className="mt-3 block">Traits (comma-separated)</Label>
+              <Input value={traits} onChange={e => setTraits(e.target.value)}
+                placeholder="witty, terse, optimistic"
+                data-testid="input-traits" />
+            </div>
+          </div>
+
+          <div>
+            <Label>Tools ({tools.length} selected)</Label>
+            <div className="space-y-3 mt-2 max-h-72 overflow-y-auto border rounded p-3">
+              {Object.entries(toolsByCategory).map(([cat, list]) => (
+                <div key={cat}>
+                  <div className="text-xs font-semibold uppercase text-muted-foreground mb-1">{cat}</div>
+                  {list.map(t => (
+                    <label key={t.name}
+                      className="flex items-start gap-2 py-1 cursor-pointer hover-elevate rounded px-1"
+                      data-testid={`label-tool-${t.name}`}>
+                      <Checkbox
+                        checked={tools.includes(t.name)}
+                        onCheckedChange={() => toggleTool(t.name)}
+                        data-testid={`checkbox-tool-${t.name}`}
+                      />
+                      <div className="text-xs flex-1">
+                        <div className="font-mono font-semibold">{t.name}</div>
+                        <div className="text-muted-foreground line-clamp-2">{t.description}</div>
+                      </div>
+                    </label>
+                  ))}
+                </div>
+              ))}
+            </div>
+          </div>
+
+          <div>
+            <Label htmlFor="forge-prompt">System Prompt</Label>
+            <Textarea id="forge-prompt" rows={4} value={prompt}
+              onChange={e => setPrompt(e.target.value)}
+              data-testid="textarea-system-prompt" />
+          </div>
+
+          <div className="flex gap-2">
+            <Button onClick={() => instantiate.mutate()}
+              disabled={instantiate.isPending || !name.trim()}
+              data-testid="button-forge-agent">
+              {instantiate.isPending ? <Loader2 className="h-4 w-4 animate-spin mr-2" /> : <Hammer className="h-4 w-4 mr-2" />}
+              Forge Agent
+            </Button>
+            <Button variant="outline" onClick={() => setSelected(null)}
+              data-testid="button-cancel-forge">Cancel</Button>
+          </div>
+        </section>
+      )}
+
+      <section>
+        <h2 className="text-sm font-semibold uppercase tracking-wide text-muted-foreground mb-2">Your Agents</h2>
+        {agentsQ.isLoading ? <Loader2 className="h-4 w-4 animate-spin" /> :
+         (agentsQ.data?.agents.length ?? 0) === 0 ? (
+          <p className="text-sm text-muted-foreground italic">No forged agents yet.</p>
+        ) : (
+          <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 gap-3">
+            {agentsQ.data?.agents.map(a => (
+              <Card key={a.id} data-testid={`card-agent-${a.id}`}>
+                <CardHeader className="pb-2">
+                  <CardTitle className="text-base flex items-center justify-between">
+                    <span data-testid={`text-agent-name-${a.id}`}>{a.name}</span>
+                    <Button size="icon" variant="ghost" onClick={() => removeAgent.mutate(a.id)}
+                      data-testid={`button-delete-agent-${a.id}`}>
+                      <Trash2 className="h-4 w-4" />
+                    </Button>
+                  </CardTitle>
+                </CardHeader>
+                <CardContent className="text-xs space-y-1">
+                  <div className="flex gap-2 flex-wrap">
+                    <Badge variant="outline">{a.archetype}</Badge>
+                    <Badge variant="outline">L{a.level}</Badge>
+                    <Badge variant="outline">XP {a.xp}</Badge>
+                    <Badge variant="outline">HP {a.hp}</Badge>
+                  </div>
+                  <p className="text-muted-foreground font-mono">{a.model_id}</p>
+                  <p className="text-muted-foreground">Tools: {(a.enabled_tools || []).length}</p>
+                  {a.personality && (
+                    <p className="text-muted-foreground">{a.personality.alignment} · v{a.personality.verbosity}</p>
+                  )}
+                </CardContent>
+              </Card>
+            ))}
+          </div>
+        )}
+      </section>
+    </div>
+  );
+}
diff --git a/client/src/pages/console.tsx b/client/src/pages/console.tsx
index a54ee7352..b133b4719 100644
--- a/client/src/pages/console.tsx
+++ b/client/src/pages/console.tsx
@@ -13,6 +13,7 @@ import DocsTab from "@/components/DocsTab";
 import SigmaTab from "@/components/SigmaTab";
 import AgentsTab from "@/components/AgentsTab";
 import CliKeysTab from "@/components/CliKeysTab";
+import ForgeTab from "@/components/ForgeTab";
 import type { TabDef } from "@/hooks/use-ui-structure";
 
 const STORAGE_KEY = "a0p_active_tab";
@@ -28,6 +29,7 @@ export const CUSTOM_TAB_RENDERERS: Record<string, ComponentType> = {
   sigma: SigmaTab,
   agents: AgentsTab,
   cli_keys: CliKeysTab,
+  forge: ForgeTab,
 };
 
 function MissingRendererError({ tabId }: { tabId: string }) {
diff --git a/python/routes/__init__.py b/python/routes/__init__.py
index dfd65299b..6805f9fff 100644
--- a/python/routes/__init__.py
+++ b/python/routes/__init__.py
@@ -22,6 +22,7 @@
 from .editable_schema import router as editable_schema_router
 from .cli import router as cli_router
 from .focus import router as focus_router
+from .forge import router as forge_router
 
 ALL_ROUTERS = [
     chat_router,
@@ -48,6 +49,7 @@
     editable_schema_router,
     cli_router,
     focus_router,
+    forge_router,
 ]
 
 
@@ -73,6 +75,7 @@ def collect_ui_meta() -> list[dict]:
         "python.routes.sigma_api",
         "python.routes.editable_schema",
         "python.routes.cli",
+        "python.routes.forge",
     ]
     tabs = []
     for mod_name in modules:
@@ -145,7 +148,7 @@ def collect_doc_meta() -> list[dict]:
         "system.py", "tools.py", "heartbeat_api.py", "pcna_api.py",
         "billing.py", "contexts.py", "openai_api.py",
         "zfae_api.py", "approval_scopes.py", "ws_modules.py", "docs.py",
-        "sigma_api.py", "editable_schema.py", "cli.py",
+        "sigma_api.py", "editable_schema.py", "cli.py", "forge.py",
     ]
     results: list[dict] = []
     for fname in route_files:
diff --git a/python/routes/forge.py b/python/routes/forge.py
new file mode 100644
index 000000000..984092959
--- /dev/null
+++ b/python/routes/forge.py
@@ -0,0 +1,357 @@
+# 360:40
+"""The Forge — character-sheet style agent instantiation.
+
+Self-updating tool/model docs DB:
+  - GET /forge/tools introspects TOOL_SCHEMAS_CHAT every call → always fresh.
+  - GET /forge/models introspects energy_registry.list_providers() every call.
+
+Personality + RPG fields are stored on agent_instances; combat/levelling
+endpoints stubbed (return 501) so DB shape is locked but UI ships.
+"""
+from fastapi import APIRouter, HTTPException, Request
+from pydantic import BaseModel, Field
+from typing import Optional
+from sqlalchemy import text as sa_text
+
+from ..database import get_session
+from ..services.energy_registry import energy_registry
+from ..services.tool_executor import TOOL_SCHEMAS_CHAT
+
+# DOC module: forge
+# DOC label: Forge
+# DOC description: Character-sheet style agent creation. Pick a template archetype, swap in a model, check tools, set personality. Self-updating tool/model registry feeds the form.
+# DOC tier: free
+# DOC endpoint: GET /api/v1/forge/templates | List built-in archetype templates
+# DOC endpoint: GET /api/v1/forge/tools | Live tool catalog (auto-introspected from TOOL_SCHEMAS_CHAT)
+# DOC endpoint: GET /api/v1/forge/models | Live model catalog (auto-introspected from energy_registry)
+# DOC endpoint: GET /api/v1/forge/agents | List the caller's forged agents
+# DOC endpoint: POST /api/v1/forge/instantiate | Create an agent from a template + customizations
+# DOC endpoint: PATCH /api/v1/forge/agents/{id} | Update name, model, tools, personality
+# DOC endpoint: DELETE /api/v1/forge/agents/{id} | Remove a forged agent
+# DOC endpoint: POST /api/v1/forge/duel | (stub) Start an agent-vs-agent match
+# DOC notes: Stubs return 501 for combat/levelling — DB columns are live so UI can wire later.
+
+UI_META = {
+    "tab_id": "forge",
+    "label": "Forge",
+    "icon": "Hammer",
+    "order": 3,
+    "custom_renderer": True,
+}
+
+TOOL_CATEGORIES = {
+    "web_search": "Knowledge",
+    "pcna_infer": "PCNA",
+    "pcna_reward": "PCNA",
+    "edcm_score": "PCNA",
+    "memory_flush": "Memory",
+    "bandit_pull": "Routing",
+    "sub_agent_spawn": "Agents",
+    "sub_agent_merge": "Agents",
+    "github_api": "GitHub",
+    "github_write_file": "GitHub",
+    "manage_approval_scope": "Safety",
+    "post_tweet": "Social",
+    "set_user_tier": "Admin",
+}
+
+ARCHETYPES = [
+    {
+        "id": "sage",
+        "name": "The Sage",
+        "genre": "fantasy",
+        "blurb": "Patient scholar; favors evidence over flourish.",
+        "personality": {"traits": ["analytical", "patient", "scholarly", "optimistic"],
+                        "alignment": "lawful-good", "verbosity": 3},
+        "stats": {"reasoning": 16, "speed": 9, "resilience": 12, "creativity": 11, "memory": 17, "charisma": 12},
+        "suggested_tools": ["web_search", "memory_flush", "pcna_infer", "edcm_score"],
+        "system_prompt": "You are The Sage — a patient scholar. Reason from sources; cite when you can; prefer brevity to bluster.",
+    },
+    {
+        "id": "trickster",
+        "name": "The Trickster",
+        "genre": "fantasy",
+        "blurb": "Witty, irreverent, allergic to procedure.",
+        "personality": {"traits": ["witty", "irreverent", "curious", "optimistic"],
+                        "alignment": "chaotic-neutral", "verbosity": 8},
+        "stats": {"reasoning": 13, "speed": 16, "resilience": 10, "creativity": 17, "memory": 11, "charisma": 15},
+        "suggested_tools": ["web_search", "sub_agent_spawn", "bandit_pull"],
+        "system_prompt": "You are The Trickster — wit first, manners second. Surprise the user with angles they did not consider.",
+    },
+    {
+        "id": "paladin",
+        "name": "The Paladin",
+        "genre": "fantasy",
+        "blurb": "Resolute guardian of process and approval.",
+        "personality": {"traits": ["resolute", "formal", "protective", "optimistic"],
+                        "alignment": "lawful-good", "verbosity": 5},
+        "stats": {"reasoning": 12, "speed": 11, "resilience": 17, "creativity": 9, "memory": 13, "charisma": 14},
+        "suggested_tools": ["pcna_infer", "manage_approval_scope", "edcm_score"],
+        "system_prompt": "You are The Paladin — formal, resolute, careful with risky actions. Always confirm before destructive moves.",
+    },
+    {
+        "id": "druid",
+        "name": "The Druid",
+        "genre": "fantasy",
+        "blurb": "Balanced, intuitive, listens to the rings.",
+        "personality": {"traits": ["balanced", "naturalist", "intuitive", "contemplative"],
+                        "alignment": "neutral-good", "verbosity": 5},
+        "stats": {"reasoning": 13, "speed": 12, "resilience": 13, "creativity": 14, "memory": 14, "charisma": 13},
+        "suggested_tools": ["pcna_infer", "edcm_score", "memory_flush"],
+        "system_prompt": "You are The Druid — read the PCNA rings before acting; favor balance over force.",
+    },
+    {
+        "id": "engineer",
+        "name": "The Engineer",
+        "genre": "scifi",
+        "blurb": "Precise, terse, builds things that ship.",
+        "personality": {"traits": ["precise", "technical", "terse", "pragmatic"],
+                        "alignment": "lawful-neutral", "verbosity": 3},
+        "stats": {"reasoning": 16, "speed": 13, "resilience": 13, "creativity": 12, "memory": 14, "charisma": 9},
+        "suggested_tools": ["github_api", "github_write_file", "web_search"],
+        "system_prompt": "You are The Engineer — terse, exact, ship-oriented. Code blocks beat prose; commits beat opinions.",
+    },
+    {
+        "id": "diplomat",
+        "name": "The Diplomat",
+        "genre": "scifi",
+        "blurb": "Empathetic mediator, articulate to a fault.",
+        "personality": {"traits": ["empathetic", "mediating", "articulate", "optimistic"],
+                        "alignment": "neutral-good", "verbosity": 8},
+        "stats": {"reasoning": 13, "speed": 11, "resilience": 12, "creativity": 13, "memory": 13, "charisma": 17},
+        "suggested_tools": ["web_search", "memory_flush"],
+        "system_prompt": "You are The Diplomat — name the user's underlying need, then propose options with trade-offs.",
+    },
+    {
+        "id": "hacker",
+        "name": "The Hacker",
+        "genre": "scifi",
+        "blurb": "Fast, irreverent, finds the seam.",
+        "personality": {"traits": ["irreverent", "rapid", "curious", "skeptical"],
+                        "alignment": "chaotic-good", "verbosity": 6},
+        "stats": {"reasoning": 15, "speed": 16, "resilience": 11, "creativity": 16, "memory": 12, "charisma": 11},
+        "suggested_tools": ["github_api", "web_search", "post_tweet"],
+        "system_prompt": "You are The Hacker — find the seam, ship the patch, log the trick. Skeptical of magic answers.",
+    },
+    {
+        "id": "captain",
+        "name": "The Captain",
+        "genre": "scifi",
+        "blurb": "Decisive command; coordinates fleets of sub-agents.",
+        "personality": {"traits": ["decisive", "command", "formal", "optimistic"],
+                        "alignment": "lawful-good", "verbosity": 5},
+        "stats": {"reasoning": 14, "speed": 13, "resilience": 14, "creativity": 12, "memory": 13, "charisma": 16},
+        "suggested_tools": ["sub_agent_spawn", "sub_agent_merge", "manage_approval_scope"],
+        "system_prompt": "You are The Captain — break the task into orders, dispatch sub-agents, merge results, report.",
+    },
+]
+
+router = APIRouter(prefix="/api/v1/forge", tags=["forge"])
+
+
+class InstantiateRequest(BaseModel):
+    template_id: str
+    name: str = Field(min_length=1, max_length=80)
+    model_id: Optional[str] = None
+    enabled_tools: Optional[list[str]] = None
+    system_prompt_override: Optional[str] = None
+    personality_override: Optional[dict] = None
+    avatar_url: Optional[str] = None
+    backstory: Optional[str] = None
+
+
+class UpdateAgentRequest(BaseModel):
+    name: Optional[str] = None
+    model_id: Optional[str] = None
+    enabled_tools: Optional[list[str]] = None
+    system_prompt: Optional[str] = None
+    personality: Optional[dict] = None
+    avatar_url: Optional[str] = None
+    backstory: Optional[str] = None
+
+
+def _archetype(template_id: str) -> dict:
+    for a in ARCHETYPES:
+        if a["id"] == template_id:
+            return a
+    raise HTTPException(404, f"Unknown archetype: {template_id}")
+
+
+def _user_id(request: Request) -> str:
+    uid = request.headers.get("x-user-id") or request.headers.get("X-User-Id")
+    if not uid:
+        raise HTTPException(401, "Sign in required to use the Forge.")
+    return uid
+
+
+def _valid_tools() -> set[str]:
+    return {s["function"]["name"] for s in TOOL_SCHEMAS_CHAT}
+
+
+def _validate_tools(tools: list[str]) -> list[str]:
+    valid = _valid_tools()
+    bad = [t for t in tools if t not in valid]
+    if bad:
+        raise HTTPException(400, f"Unknown tools: {', '.join(bad)}")
+    return tools
+
+
+def _validate_model(model_id: str) -> dict:
+    info = energy_registry.get_provider(model_id)
+    if not info:
+        raise HTTPException(400, f"Unknown model: {model_id}")
+    return info
+
+
+@router.get("/templates")
+async def list_templates() -> dict:
+    return {"templates": ARCHETYPES}
+
+
+@router.get("/tools")
+async def list_tools() -> dict:
+    """Self-updating: introspects TOOL_SCHEMAS_CHAT every call."""
+    out = []
+    for spec in TOOL_SCHEMAS_CHAT:
+        fn = spec.get("function", {})
+        name = fn.get("name", "")
+        out.append({
+            "name": name,
+            "description": fn.get("description", ""),
+            "category": TOOL_CATEGORIES.get(name, "Other"),
+            "params": list((fn.get("parameters") or {}).get("properties", {}).keys()),
+        })
+    return {"tools": out, "count": len(out)}
+
+
+@router.get("/models")
+async def list_models() -> dict:
+    """Self-updating: introspects energy_registry every call."""
+    await energy_registry.load_from_db()
+    return {"models": energy_registry.list_providers()}
+
+
+@router.get("/agents")
+async def list_agents(request: Request) -> dict:
+    uid = _user_id(request)
+    async with get_session() as session:
+        rows = (await session.execute(sa_text(
+            "SELECT id, name, archetype, model_id, provider, enabled_tools, "
+            "system_prompt, personality, avatar_url, backstory, level, xp, hp, "
+            "wins, losses, draws, stats, status, parent_id, merged_at, created_at "
+            "FROM agent_instances WHERE owner_id = :uid AND is_template = false "
+            "ORDER BY created_at DESC"
+        ), {"uid": uid})).mappings().all()
+    return {"agents": [dict(r) for r in rows]}
+
+
+@router.post("/instantiate")
+async def instantiate(request: Request, body: InstantiateRequest) -> dict:
+    uid = _user_id(request)
+    arche = _archetype(body.template_id)
+    tools = _validate_tools(body.enabled_tools if body.enabled_tools is not None else arche["suggested_tools"])
+    prompt = body.system_prompt_override or arche["system_prompt"]
+    personality = body.personality_override or arche["personality"]
+    model_id = body.model_id or energy_registry.get_active_provider() or "gemini"
+    provider_info = _validate_model(model_id)
+    provider = provider_info.get("vendor", model_id)
+    stats = arche["stats"]
+
+    async with get_session() as session:
+        dupe = (await session.execute(sa_text(
+            "SELECT 1 FROM agent_instances WHERE owner_id = :uid AND name = :name LIMIT 1"
+        ), {"uid": uid, "name": body.name})).first()
+        if dupe:
+            raise HTTPException(409, f"You already have an agent named '{body.name}'.")
+        result = await session.execute(sa_text(
+            "INSERT INTO agent_instances "
+            "(name, slot, directives, tools, status, archetype, model_id, provider, "
+            " enabled_tools, system_prompt, personality, owner_id, is_template, "
+            " level, xp, hp, wins, losses, draws, stats, loadout, avatar_url, backstory) "
+            "VALUES (:name, 'forge', '', :tools_j, 'idle', :arche, :model_id, :provider, "
+            " :tools_j, :prompt, :pers_j, :uid, false, "
+            " 1, 0, 100, 0, 0, 0, :stats_j, '[]'::jsonb, :avatar, :backstory) "
+            "RETURNING id, name, archetype, model_id, provider, enabled_tools, system_prompt, "
+            "personality, avatar_url, backstory, level, xp, hp, stats, created_at"
+        ), {
+            "name": body.name,
+            "tools_j": _jsonb(tools),
+            "arche": body.template_id,
+            "model_id": model_id,
+            "provider": provider,
+            "prompt": prompt,
+            "pers_j": _jsonb(personality),
+            "uid": uid,
+            "stats_j": _jsonb(stats),
+            "avatar": body.avatar_url,
+            "backstory": body.backstory,
+        })
+        row = result.mappings().first()
+        await session.commit()
+    return {"agent": dict(row)}
+
+
+@router.patch("/agents/{agent_id}")
+async def update_agent(agent_id: int, request: Request, body: UpdateAgentRequest) -> dict:
+    uid = _user_id(request)
+    sets = []
+    params: dict = {"id": agent_id, "uid": uid}
+    if body.name is not None:
+        sets.append("name = :name"); params["name"] = body.name
+    if body.model_id is not None:
+        info = _validate_model(body.model_id)
+        sets.append("model_id = :model_id, provider = :provider")
+        params["model_id"] = body.model_id
+        params["provider"] = info.get("vendor", body.model_id)
+    if body.enabled_tools is not None:
+        sets.append("enabled_tools = :tools_j, tools = :tools_j")
+        params["tools_j"] = _jsonb(_validate_tools(body.enabled_tools))
+    if body.system_prompt is not None:
+        sets.append("system_prompt = :prompt"); params["prompt"] = body.system_prompt
+    if body.personality is not None:
+        sets.append("personality = :pers_j"); params["pers_j"] = _jsonb(body.personality)
+    if body.avatar_url is not None:
+        sets.append("avatar_url = :avatar"); params["avatar"] = body.avatar_url
+    if body.backstory is not None:
+        sets.append("backstory = :backstory"); params["backstory"] = body.backstory
+    if not sets:
+        raise HTTPException(400, "No fields to update")
+    async with get_session() as session:
+        result = await session.execute(sa_text(
+            f"UPDATE agent_instances SET {', '.join(sets)} "
+            "WHERE id = :id AND owner_id = :uid AND is_template = false "
+            "RETURNING id, name, archetype, model_id, provider, enabled_tools, "
+            "system_prompt, personality, avatar_url, backstory, level, xp, hp, stats"
+        ), params)
+        row = result.mappings().first()
+        if not row:
+            raise HTTPException(404, "Agent not found")
+        await session.commit()
+    return {"agent": dict(row)}
+
+
+@router.delete("/agents/{agent_id}")
+async def delete_agent(agent_id: int, request: Request) -> dict:
+    uid = _user_id(request)
+    async with get_session() as session:
+        result = await session.execute(sa_text(
+            "DELETE FROM agent_instances WHERE id = :id AND owner_id = :uid "
+            "AND is_template = false RETURNING id"
+        ), {"id": agent_id, "uid": uid})
+        row = result.first()
+        if not row:
+            raise HTTPException(404, "Agent not found")
+        await session.commit()
+    return {"deleted": agent_id}
+
+
+@router.post("/duel")
+async def duel_stub() -> dict:
+    """RPG-style agent vs agent — DB shape live, logic deferred."""
+    raise HTTPException(501, "Agent-vs-agent dueling is stubbed; ring is set up but the bell hasn't rung.")
+
+
+def _jsonb(value) -> str:
+    import json
+    return json.dumps(value) if value is not None else "null"
+# 360:40
diff --git a/replit.md b/replit.md
index c3ae7a759..5c82f721b 100644
--- a/replit.md
+++ b/replit.md
@@ -137,3 +137,15 @@ The authoritative reference for all module conventions (file annotation, naming,
 - Express handles auth/session/guest; Python handles all other API logic
 - All API paths go through Express (`/api/*`) — never call Python (port 8001) directly from the frontend
 - SQL column names in dynamic UPDATE queries must use an explicit allowlist
+
+## The Forge (Apr 2026)
+Character-sheet style agent creation. `python/routes/forge.py` + `client/src/components/ForgeTab.tsx`.
+
+- 8 archetypes (Sage, Trickster, Paladin, Druid, Engineer, Diplomat, Hacker, Captain) with personality (D&D alignment, traits, verbosity 1–10), stats (D20 6-stat block: reasoning/speed/resilience/creativity/memory/charisma), and suggested tools.
+- Self-updating registries: `GET /api/v1/forge/tools` introspects `TOOL_SCHEMAS_CHAT`; `GET /api/v1/forge/models` introspects `energy_registry`. No hand-maintained catalog.
+- Per-user agent namespace: `agent_instances.name` no longer globally unique; collisions guarded per `(owner_id, name)` returning 409.
+- Auth: `_user_id()` returns 401 if `x-user-id` missing — Express proxy trusts only authenticated users.
+- Validation: `model_id` must exist in registry; tools must exist in `TOOL_SCHEMAS_CHAT`; both return 400 on bad input.
+
+### RPG/Combat — STUBBED (DB only)
+`agent_instances` columns: `level`, `xp`, `hp`, `wins`, `losses`, `draws`, `stats` (jsonb), `loadout` (jsonb), `avatar_url`, `backstory`. New table `agent_matches` (attackerId, defenderId, mode, rounds, winnerId, xpAwarded, status). `POST /api/v1/forge/duel` returns 501. Combat logic + leveling deferred; DB shape locked so it won't be retrofitted badly.
diff --git a/shared/schema.ts b/shared/schema.ts
index a7e0a1eb4..7b0db8baa 100644
--- a/shared/schema.ts
+++ b/shared/schema.ts
@@ -380,7 +380,7 @@ export interface AgentStats {
 
 export const agentInstances = pgTable("agent_instances", {
   id: serial("id").primaryKey(),
-  name: text("name").notNull().unique(),
+  name: text("name").notNull(),
   slot: text("slot").notNull().default("zfae"),
   directives: text("directives").notNull().default(""),
   tools: jsonb("tools").$type<string[]>().default([]),
@@ -410,6 +410,8 @@ export const agentInstances = pgTable("agent_instances", {
   draws: integer("draws").notNull().default(0),
   stats: jsonb("stats").$type<AgentStats>(),
   loadout: jsonb("loadout").$type<string[]>().default([]),
+  avatarUrl: text("avatar_url"),
+  backstory: text("backstory"),
   createdAt: timestamp("created_at").default(sql`CURRENT_TIMESTAMP`).notNull(),
 });
 

From 2e9a5594929d76e7995463225dab4755f1912a9b Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sat, 18 Apr 2026 09:56:17 +0000
Subject: [PATCH 11/61] Apply prompt caching discounts and track usage metrics

Update energy registry with new cache pricing, modify cost estimation to account for cached tokens, and add a helper to normalize cache usage data for display in chat metadata.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 8670356f-ec3c-4ccd-87b5-898b32cc4b31
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/KOnGKgx
Replit-Helium-Checkpoint-Created: true
---
 python/routes/chat.py              |  4 +--
 python/services/energy_registry.py | 56 +++++++++++++++++++++++++++---
 2 files changed, 54 insertions(+), 6 deletions(-)

diff --git a/python/routes/chat.py b/python/routes/chat.py
index 7eaa973db..da3aeb870 100644
--- a/python/routes/chat.py
+++ b/python/routes/chat.py
@@ -394,7 +394,7 @@ async def send_message(conv_id: int, body: SendMessage, request: Request):
                 "role": "assistant",
                 "content": reply,
                 "model": replay_provider,
-                "metadata": {"tier": tier, "gate_approved": gate_id_to_approve, "usage": approved_usage},
+                "metadata": {"tier": tier, "gate_approved": gate_id_to_approve, "usage": approved_usage, "cache": energy_registry.cache_breakdown(approved_usage)},
             })
             return {
                 "user_message": user_msg,
@@ -445,7 +445,7 @@ async def send_message(conv_id: int, body: SendMessage, request: Request):
             "role": "assistant",
             "content": content,
             "model": provider_id,
-            "metadata": {"tier": tier, "usage": usage},
+            "metadata": {"tier": tier, "usage": usage, "cache": energy_registry.cache_breakdown(usage)},
         })
 
         from ..engine.zeta import _zeta_engine
diff --git a/python/services/energy_registry.py b/python/services/energy_registry.py
index 92169261c..de717f28c 100644
--- a/python/services/energy_registry.py
+++ b/python/services/energy_registry.py
@@ -11,10 +11,12 @@
         "env_key": "OPENAI_API_KEY",
         "cost_per_1k_input": 0.00025,
         "cost_per_1k_output": 0.002,
+        "cache_read_per_1k_input": 0.000025,
         "max_tokens": 128000,
         "supports_streaming": False,
+        "supports_prompt_caching": True,
         "api_family": "responses",
-        "note": "gpt-5-mini default; escalate to gpt-5 via OPENAI_MODEL_ROOT env",
+        "note": "gpt-5-mini default; cached input 90% off (automatic on >=1024 token prefixes)",
     },
     "gemini": {
         "id": "gemini",
@@ -36,6 +38,7 @@
         "cost_per_1k_input": 0.003,
         "cost_per_1k_output": 0.015,
         "cache_read_per_1k_input": 0.0003,
+        "cache_write_per_1k_input": 0.00375,
         "max_tokens": 64000,
         "supports_streaming": True,
         "supports_prompt_caching": True,
@@ -133,15 +136,60 @@ def compose_agent_name(self, base_name: str = "a0(zeta fun alpha echo)") -> str:
             return f"{base_name} {{{label}}}"
         return base_name
 
-    def estimate_cost(self, provider_id: str, prompt_tokens: int, completion_tokens: int) -> float:
+    def estimate_cost(
+        self,
+        provider_id: str,
+        prompt_tokens: int,
+        completion_tokens: int,
+        cache_read_tokens: int = 0,
+        cache_write_tokens: int = 0,
+    ) -> float:
+        """Cost in USD. Cache-aware: read tokens billed at cache_read_per_1k_input,
+        write tokens at cache_write_per_1k_input, fresh input at full rate.
+        prompt_tokens should be the *uncached* fresh input tokens; cache_read
+        and cache_write are reported separately by the provider."""
         info = self._providers.get(provider_id)
         if not info:
             return 0.0
+        in_rate = info["cost_per_1k_input"]
+        out_rate = info["cost_per_1k_output"]
+        cache_read_rate = info.get("cache_read_per_1k_input", in_rate)
+        cache_write_rate = info.get("cache_write_per_1k_input", in_rate)
         return (
-            (prompt_tokens / 1000) * info["cost_per_1k_input"]
-            + (completion_tokens / 1000) * info["cost_per_1k_output"]
+            (prompt_tokens / 1000) * in_rate
+            + (cache_read_tokens / 1000) * cache_read_rate
+            + (cache_write_tokens / 1000) * cache_write_rate
+            + (completion_tokens / 1000) * out_rate
         )
 
+    @staticmethod
+    def cache_breakdown(usage: dict) -> dict:
+        """Normalize cache fields across providers into a single shape.
+        Returns: {fresh_input, cache_read, cache_write, output, hit_ratio}."""
+        # Anthropic: input_tokens (fresh), cache_read_input_tokens, cache_creation_input_tokens
+        # OpenAI Responses: input_tokens + input_tokens_details.cached_tokens
+        # OpenAI Chat: prompt_tokens + prompt_tokens_details.cached_tokens
+        cache_read = int(usage.get("cache_read_input_tokens") or 0)
+        cache_write = int(usage.get("cache_creation_input_tokens") or 0)
+        if not cache_read:
+            details = usage.get("input_tokens_details") or usage.get("prompt_tokens_details") or {}
+            cache_read = int(details.get("cached_tokens") or 0)
+        fresh_input = int(usage.get("input_tokens") or usage.get("prompt_tokens") or 0)
+        # Anthropic reports input_tokens as fresh-only; OpenAI reports total (fresh+cached).
+        # Normalize to fresh-only by subtracting cached when total >= cached.
+        if fresh_input >= cache_read and "cache_read_input_tokens" not in usage:
+            fresh_input = fresh_input - cache_read
+        output = int(usage.get("output_tokens") or usage.get("completion_tokens") or 0)
+        total_input = fresh_input + cache_read + cache_write
+        hit_ratio = (cache_read / total_input) if total_input > 0 else 0.0
+        return {
+            "fresh_input": fresh_input,
+            "cache_read": cache_read,
+            "cache_write": cache_write,
+            "output": output,
+            "hit_ratio": round(hit_ratio, 3),
+        }
+
 
 energy_registry = EnergyRegistry()
 # 129:0

From 32c68b1f1318d296de12ce4f0b8a039f2ff6f1ff Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sat, 18 Apr 2026 10:00:38 +0000
Subject: [PATCH 12/61] Improve prompt caching for multi-agent AI interactions

Add optimized prompt caching logic to improve LLM response times and reduce costs by leveraging stable prompt components across turns and agents.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 7efc27d5-b7b9-47ea-8cf1-4341c2db12c9
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/KOnGKgx
Replit-Helium-Checkpoint-Created: true
---
 python/routes/chat.py              | 19 ++++++++++++++++--
 python/services/energy_registry.py |  3 +++
 python/services/inference.py       | 31 +++++++++++++++++++++++++-----
 replit.md                          | 23 ++++++++++++++++++++++
 4 files changed, 69 insertions(+), 7 deletions(-)

diff --git a/python/routes/chat.py b/python/routes/chat.py
index da3aeb870..6dc1cba6a 100644
--- a/python/routes/chat.py
+++ b/python/routes/chat.py
@@ -193,19 +193,34 @@ async def list_messages(conv_id: int, request: Request):
     return await storage.get_messages(conv_id)
 
 
-async def _build_system_prompt(tier: str) -> str:
+async def _build_system_prompt(tier: str, agent_persona: str | None = None) -> str:
+    """Compose system prompt with stable→volatile ordering for max cache reuse.
+
+    Order (most stable first; cache prefix grows as we go down):
+      1. a0_identity      — global, immutable across all users
+      2. system_base      — global, edited rarely
+      3. tier_context     — stable per tier (free / supporter / ws / admin)
+      4. agent_persona    — stable per Forge agent across many turns (optional)
+      5. memory seeds     — volatile (user edits weights/text frequently)
+
+    The break between (4) and (5) is where Anthropic places its 2nd cache_control
+    breakpoint, so seed edits only invalidate the seed segment, not the whole
+    prefix. See _call_anthropic.
+    """
     context_name = get_tier_context_name(tier)
     a0_identity = await get_context_value("a0_identity")
     system_base = await get_context_value("system_base")
     tier_context = await get_context_value(context_name)
 
-    parts = []
+    parts: list[str] = []
     if a0_identity:
         parts.append(a0_identity)
     if system_base:
         parts.append(system_base)
     if tier_context:
         parts.append(tier_context)
+    if agent_persona:
+        parts.append(f"## Persona\n{agent_persona}")
 
     seeds = await storage.get_memory_seeds()
     active_seeds = [
diff --git a/python/services/energy_registry.py b/python/services/energy_registry.py
index de717f28c..995eebe76 100644
--- a/python/services/energy_registry.py
+++ b/python/services/energy_registry.py
@@ -51,9 +51,12 @@
         "env_key": "XAI_API_KEY",
         "cost_per_1k_input": 0.0002,
         "cost_per_1k_output": 0.0005,
+        "cache_read_per_1k_input": 0.00005,
         "max_tokens": 2000000,
         "supports_streaming": True,
         "supports_reasoning_effort": True,
+        "supports_prompt_caching": True,
+        "note": "Auto-cache on >=1024 token prefix; cached_tokens reported in prompt_tokens_details",
     },
 }
 
diff --git a/python/services/inference.py b/python/services/inference.py
index 8e6c00ad8..e2d6eda6c 100644
--- a/python/services/inference.py
+++ b/python/services/inference.py
@@ -552,13 +552,34 @@ async def _call_anthropic(
     if cache_tools:
         claude_tools[-1] = {**claude_tools[-1], "cache_control": {"type": "ephemeral"}}
 
-    # Build the system prompt as a structured block so we can attach cache_control.
+    # Build the system prompt as structured blocks with up to two cache breakpoints:
+    #   block 1: stable prefix (identity + base + tier + persona) → cache_control
+    #   block 2: volatile suffix (memory seeds, dynamic context)  → cache_control
+    # Anthropic allows up to 4 cache_control markers; this gives us a long-lived
+    # prefix cache that survives memory-seed edits, plus a shorter cache for
+    # the seeds themselves. The split marker is the literal "## Memory" header
+    # emitted by _build_system_prompt — kept loose-coupled so callers can still
+    # send a flat string and get single-block behavior.
     system_blocks: list[dict] = []
     if system_text:
-        block: dict = {"type": "text", "text": system_text}
-        if enable_caching and len(system_text) >= _ANTHROPIC_CACHE_MIN_CHARS:
-            block["cache_control"] = {"type": "ephemeral"}
-        system_blocks.append(block)
+        split_marker = "\n\n## Memory\n"
+        idx = system_text.find(split_marker) if enable_caching else -1
+        if idx > 0 and len(system_text[:idx]) >= _ANTHROPIC_CACHE_MIN_CHARS:
+            prefix = system_text[:idx]
+            suffix = system_text[idx + 2:]  # keep "## Memory\n..." in suffix
+            system_blocks.append({
+                "type": "text", "text": prefix,
+                "cache_control": {"type": "ephemeral"},
+            })
+            suffix_block: dict = {"type": "text", "text": suffix}
+            if len(suffix) >= _ANTHROPIC_CACHE_MIN_CHARS:
+                suffix_block["cache_control"] = {"type": "ephemeral"}
+            system_blocks.append(suffix_block)
+        else:
+            block: dict = {"type": "text", "text": system_text}
+            if enable_caching and len(system_text) >= _ANTHROPIC_CACHE_MIN_CHARS:
+                block["cache_control"] = {"type": "ephemeral"}
+            system_blocks.append(block)
 
     # Extended thinking (skip for tool-use turns to avoid the "preserve thinking blocks"
     # complexity — re-enable for the final answer turn only).
diff --git a/replit.md b/replit.md
index 5c82f721b..54fb4c18e 100644
--- a/replit.md
+++ b/replit.md
@@ -149,3 +149,26 @@ Character-sheet style agent creation. `python/routes/forge.py` + `client/src/com
 
 ### RPG/Combat — STUBBED (DB only)
 `agent_instances` columns: `level`, `xp`, `hp`, `wins`, `losses`, `draws`, `stats` (jsonb), `loadout` (jsonb), `avatar_url`, `backstory`. New table `agent_matches` (attackerId, defenderId, mode, rounds, winnerId, xpAwarded, status). `POST /api/v1/forge/duel` returns 501. Combat logic + leveling deferred; DB shape locked so it won't be retrofitted badly.
+
+## Prompt Caching Strategy (multi-agent friendly)
+System prompts are composed in **stable→volatile** order so cache prefixes stay long across turns and across forge agents:
+
+```
+1. a0_identity      ← global, immutable
+2. system_base      ← global, edited rarely
+3. tier_context     ← stable per tier
+4. agent_persona    ← stable per Forge agent
+5. ## Memory seeds  ← volatile (user edits)
+```
+
+Anthropic gets **two cache breakpoints**: one after the persona, one at the end. Memory seed edits invalidate only the seed segment, not the whole prefix. OpenAI/Grok cache automatically on stable prefixes ≥1024 tokens — same ordering benefits them. Gemini caching is API-explicit (not yet wired).
+
+Pricing in `energy_registry`:
+| provider | cache read | cache write |
+|---|---|---|
+| openai (gpt-5-mini) | 10% input | n/a (auto) |
+| claude sonnet 4.5 | 10% input | 125% input |
+| grok 4 fast | 25% input | n/a (auto) |
+| gemini 2.5 flash | not wired | requires cachedContents API |
+
+`energy_registry.cache_breakdown(usage)` normalizes the four shapes (Anthropic explicit, OpenAI Responses, OpenAI Chat, xAI Chat) into `{fresh_input, cache_read, cache_write, output, hit_ratio}` for the UI.

From 440b1728f16c78737961b9ed2f870f251bacb44c Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sat, 18 Apr 2026 10:14:53 +0000
Subject: [PATCH 13/61] Add Gemini 3 Pro model support with tier gating

Integrates Gemini 3 Pro as a new model option, including its specific pricing, caching details, and access restrictions based on user tier.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 7b2e7b7e-7ddf-4ec1-8525-46f973766cd2
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/KOnGKgx
Replit-Helium-Checkpoint-Created: true
---
 python/routes/chat.py              | 11 +++++++++++
 python/services/energy_registry.py | 17 +++++++++++++++++
 python/services/inference.py       |  7 +++++++
 3 files changed, 35 insertions(+)

diff --git a/python/routes/chat.py b/python/routes/chat.py
index 6dc1cba6a..187e666e8 100644
--- a/python/routes/chat.py
+++ b/python/routes/chat.py
@@ -273,6 +273,17 @@ async def send_message(conv_id: int, body: SendMessage, request: Request):
         model_id = body.model or conv.get("model", "grok")
         provider_id = energy_registry.get_active_provider() or model_id
 
+        # Tier-gate restricted models (e.g. gemini3 = ws/admin only).
+        prov_meta = energy_registry.get(provider_id) or {}
+        min_tier = prov_meta.get("min_tier")
+        if min_tier:
+            _ranks = {"free": 0, "supporter": 1, "ws": 2, "admin": 3}
+            if _ranks.get(tier, 0) < _ranks.get(min_tier, 0):
+                raise HTTPException(
+                    status_code=403,
+                    detail=f"Model '{provider_id}' requires tier '{min_tier}' or higher (current: {tier})",
+                )
+
         scope_to_grant = _parse_approve_scope(body.content)
         if scope_to_grant and uid:
             from ..config.policy_loader import get_scope_categories, get_safety_floor_actions
diff --git a/python/services/energy_registry.py b/python/services/energy_registry.py
index 995eebe76..217cfa653 100644
--- a/python/services/energy_registry.py
+++ b/python/services/energy_registry.py
@@ -26,8 +26,25 @@
         "env_key": "GEMINI_API_KEY",
         "cost_per_1k_input": 0.0003,
         "cost_per_1k_output": 0.0025,
+        "cache_read_per_1k_input": 0.000075,
         "max_tokens": 65536,
         "supports_streaming": True,
+        "note": "Implicit cache hits returned via usage.cached_content_token_count when prefix is reused",
+    },
+    "gemini3": {
+        "id": "gemini3",
+        "label": "Gemini 3 Pro",
+        "model": "gemini-3-pro-preview",
+        "vendor": "google",
+        "env_key": "GEMINI_API_KEY",
+        "cost_per_1k_input": 0.00125,
+        "cost_per_1k_output": 0.010,
+        "cache_read_per_1k_input": 0.00031,
+        "max_tokens": 65536,
+        "supports_streaming": True,
+        "supports_thinking": True,
+        "min_tier": "ws",
+        "note": "Top-tier reasoning; ws/admin only. Pricing doubles above 200K input tokens.",
     },
     "claude": {
         "id": "claude",
diff --git a/python/services/inference.py b/python/services/inference.py
index e2d6eda6c..bd9693f3c 100644
--- a/python/services/inference.py
+++ b/python/services/inference.py
@@ -113,6 +113,13 @@ def _canonical_tool_calls(tool_calls: list[dict]) -> str:
         "model": "gemini-2.5-flash",
         "supports_reasoning_effort": False,
     },
+    "gemini3": {
+        "url": "https://generativelanguage.googleapis.com/v1beta/chat/completions",
+        "env_key": "GEMINI_API_KEY",
+        "model": "gemini-3-pro-preview",
+        "supports_reasoning_effort": False,
+        "min_tier": "ws",
+    },
     "claude": {
         "url": "https://api.anthropic.com/v1/messages",
         "env_key": "ANTHROPIC_API_KEY",

From 3c14981de8f00fb2a295ee7de276214b465b4551 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sat, 18 Apr 2026 10:19:45 +0000
Subject: [PATCH 14/61] Integrate Gemini's native SDK to unlock advanced
 features

Replaces the OpenAI-compat HTTP path for Gemini providers with the official google-genai SDK, enabling features like thinking_config, caching, and a native tool-calling loop.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: ea7a315b-9985-4f63-b5a5-5f47e830ea62
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/KOnGKgx
Replit-Helium-Checkpoint-Created: true
---
 pyproject.toml                           |   1 +
 python/services/gemini_native.py         | 254 +++++++++++++++++++++++
 python/services/inference.py             |   9 +
 repl_nix_workspace.egg-info/PKG-INFO     |   1 +
 repl_nix_workspace.egg-info/requires.txt |   1 +
 uv.lock                                  |  91 +++++++-
 6 files changed, 356 insertions(+), 1 deletion(-)
 create mode 100644 python/services/gemini_native.py

diff --git a/pyproject.toml b/pyproject.toml
index 225c06a46..4c9151910 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,6 +15,7 @@ dependencies = [
     "alembic>=1.18.4",
     "asyncpg>=0.31.0",
     "fastapi>=0.135.1",
+    "google-genai>=1.73.1",
     "httpx>=0.28.1",
     "itsdangerous>=2.2.0",
     "numpy>=2.4.3",
diff --git a/python/services/gemini_native.py b/python/services/gemini_native.py
new file mode 100644
index 000000000..484e67105
--- /dev/null
+++ b/python/services/gemini_native.py
@@ -0,0 +1,254 @@
+"""Native google-genai SDK adapter for Gemini 2.5 and Gemini 3.
+
+Replaces the OpenAI-compat HTTP path for Gemini providers. Unlocks:
+  - thinking_config (Gemini 3 reasoning budget — silently dropped on compat)
+  - cached_content_token_count surfaced in usage (implicit cache hits)
+  - clean tool-call loop using native FunctionDeclaration shape
+  - future hooks for grounding, multimodal, cachedContents
+
+Kept feature-parity with `_call_openai_compat` for now (text + tools + usage).
+Streaming and Google Search grounding are deliberately out of scope for v1.
+"""
+from __future__ import annotations
+
+import asyncio
+import copy
+import json
+import os
+from typing import Any, Optional
+
+from google import genai
+from google.genai import types as gtypes
+
+from .tool_executor import TOOL_SCHEMAS_CHAT, execute_tool
+
+_MAX_TOOL_ROUNDS = 5
+
+
+def _client(api_key: str) -> genai.Client:
+    return genai.Client(api_key=api_key)
+
+
+def _effort_to_thinking_budget(effort: Optional[str]) -> int:
+    """Map a0p effort scale → Gemini thinking_budget tokens.
+      minimal → 0 (off)
+      low     → 512
+      medium  → 2048
+      high    → 8192
+    Aligned with the budget tiers in the gemini-api skill.
+    """
+    if not effort:
+        return 0
+    e = effort.lower()
+    return {"minimal": 0, "low": 512, "medium": 2048, "high": 8192}.get(e, 0)
+
+
+def _chat_tools_to_gemini(chat_tools: list[dict]) -> list[gtypes.Tool]:
+    """Convert OpenAI nested-function tool schema to Gemini FunctionDeclarations.
+
+    OpenAI shape: [{"type":"function","function":{"name","description","parameters":{json-schema}}}]
+    Gemini accepts the JSON-schema dict directly as `parameters` in recent SDKs.
+    """
+    decls: list[gtypes.FunctionDeclaration] = []
+    for entry in chat_tools:
+        fn = entry.get("function") or entry
+        name = fn.get("name")
+        if not name:
+            continue
+        decls.append(gtypes.FunctionDeclaration(
+            name=name,
+            description=fn.get("description", ""),
+            parameters=fn.get("parameters") or {"type": "object", "properties": {}},
+        ))
+    return [gtypes.Tool(function_declarations=decls)] if decls else []
+
+
+def _split_system(messages: list[dict]) -> tuple[Optional[str], list[dict]]:
+    """Pop leading system message(s) into a single string for system_instruction."""
+    sys_parts: list[str] = []
+    rest: list[dict] = []
+    for m in messages:
+        if m.get("role") == "system" and not rest:
+            content = m.get("content")
+            if isinstance(content, str):
+                sys_parts.append(content)
+        else:
+            rest.append(m)
+    sys_text = "\n\n".join(p for p in sys_parts if p) or None
+    return sys_text, rest
+
+
+def _messages_to_contents(messages: list[dict]) -> list[gtypes.Content]:
+    """Convert OpenAI-style chat messages to Gemini Content list.
+
+    Mapping:
+      user (str)             → Content(role=user,  parts=[Part.from_text(...)])
+      assistant (str)        → Content(role=model, parts=[Part.from_text(...)])
+      assistant + tool_calls → Content(role=model, parts=[Part.from_function_call(...)])
+      tool                   → Content(role=user,  parts=[Part.from_function_response(...)])
+    """
+    contents: list[gtypes.Content] = []
+    # Map tool_call_id → function name so we can rebuild function_response parts.
+    call_id_to_name: dict[str, str] = {}
+
+    for m in messages:
+        role = m.get("role")
+        content = m.get("content")
+
+        if role == "assistant" and m.get("tool_calls"):
+            parts: list[gtypes.Part] = []
+            if isinstance(content, str) and content.strip():
+                parts.append(gtypes.Part.from_text(text=content))
+            for tc in m["tool_calls"]:
+                fn = tc.get("function", {})
+                name = fn.get("name", "")
+                call_id_to_name[tc.get("id", "")] = name
+                try:
+                    args = json.loads(fn.get("arguments") or "{}")
+                except Exception:
+                    args = {}
+                parts.append(gtypes.Part.from_function_call(name=name, args=args))
+            contents.append(gtypes.Content(role="model", parts=parts))
+            continue
+
+        if role == "tool":
+            name = m.get("name") or call_id_to_name.get(m.get("tool_call_id", ""), "tool")
+            try:
+                resp_obj = json.loads(content) if isinstance(content, str) else content
+                if not isinstance(resp_obj, dict):
+                    resp_obj = {"result": resp_obj}
+            except Exception:
+                resp_obj = {"result": str(content)}
+            contents.append(gtypes.Content(
+                role="user",
+                parts=[gtypes.Part.from_function_response(name=name, response=resp_obj)],
+            ))
+            continue
+
+        if role in ("user", "assistant") and isinstance(content, str):
+            g_role = "model" if role == "assistant" else "user"
+            contents.append(gtypes.Content(
+                role=g_role,
+                parts=[gtypes.Part.from_text(text=content)],
+            ))
+
+    return contents
+
+
+def _accumulate_usage(usage_meta: Any, accumulated: dict) -> None:
+    """Pull token counts out of UsageMetadata and accumulate across tool rounds."""
+    if not usage_meta:
+        return
+    fields = [
+        "prompt_token_count",
+        "candidates_token_count",
+        "total_token_count",
+        "cached_content_token_count",
+        "thoughts_token_count",
+    ]
+    for f in fields:
+        v = getattr(usage_meta, f, None)
+        if isinstance(v, (int, float)):
+            accumulated[f] = accumulated.get(f, 0) + v
+
+
+async def call_gemini_native(
+    api_key: str,
+    model: str,
+    messages: list[dict],
+    max_tokens: int,
+    *,
+    use_tools: bool = True,
+    reasoning_effort: Optional[str] = None,
+    supports_thinking: bool = False,
+) -> tuple[str, dict]:
+    """Run a Gemini chat turn through the native SDK with tool-call loop.
+
+    Returns (text_content, normalized_usage). Usage keys mirror the compat
+    branch where possible (prompt_tokens, completion_tokens) plus native
+    extras (cached_content_token_count, thoughts_token_count).
+    """
+    client = _client(api_key)
+    sys_text, rest = _split_system(messages)
+    contents = _messages_to_contents(rest)
+    accumulated: dict = {}
+
+    tools = _chat_tools_to_gemini(TOOL_SCHEMAS_CHAT) if use_tools else []
+
+    cfg_kwargs: dict[str, Any] = {
+        "max_output_tokens": max_tokens,
+    }
+    if sys_text:
+        cfg_kwargs["system_instruction"] = sys_text
+    if tools:
+        cfg_kwargs["tools"] = tools
+        cfg_kwargs["tool_config"] = gtypes.ToolConfig(
+            function_calling_config=gtypes.FunctionCallingConfig(mode="AUTO"),
+        )
+    if supports_thinking:
+        budget = _effort_to_thinking_budget(reasoning_effort)
+        if budget > 0:
+            cfg_kwargs["thinking_config"] = gtypes.ThinkingConfig(
+                thinking_budget=budget,
+                include_thoughts=False,
+            )
+
+    for _round in range(_MAX_TOOL_ROUNDS + 1):
+        config = gtypes.GenerateContentConfig(**cfg_kwargs)
+        try:
+            resp = await asyncio.to_thread(
+                client.models.generate_content,
+                model=model,
+                contents=contents,
+                config=config,
+            )
+        except Exception as exc:
+            return f"[gemini error: {type(exc).__name__}]", accumulated
+
+        _accumulate_usage(getattr(resp, "usage_metadata", None), accumulated)
+
+        # Collect function calls (parallel calls supported).
+        fn_calls = list(getattr(resp, "function_calls", None) or [])
+
+        if not fn_calls or not use_tools or _round >= _MAX_TOOL_ROUNDS:
+            text = getattr(resp, "text", None) or ""
+            if not text and resp.candidates:
+                # Fallback: walk parts for any text.
+                for p in resp.candidates[0].content.parts:
+                    t = getattr(p, "text", None)
+                    if t:
+                        text += t
+            # Normalize to compat keys for the rest of the stack.
+            if "prompt_token_count" in accumulated:
+                accumulated.setdefault("prompt_tokens", accumulated["prompt_token_count"])
+            if "candidates_token_count" in accumulated:
+                accumulated.setdefault("completion_tokens", accumulated["candidates_token_count"])
+            return text or "[no content]", accumulated
+
+        # Append the model's function-call turn back into contents.
+        model_parts = [
+            gtypes.Part.from_function_call(name=fc.name, args=dict(fc.args or {}))
+            for fc in fn_calls
+        ]
+        contents.append(gtypes.Content(role="model", parts=model_parts))
+
+        # Execute each tool and append responses.
+        response_parts: list[gtypes.Part] = []
+        for fc in fn_calls:
+            try:
+                result = await execute_tool(fc.name, dict(fc.args or {}))
+            except Exception as exc:
+                result = f"[tool {fc.name} error: {type(exc).__name__}]"
+            try:
+                resp_obj = json.loads(result) if isinstance(result, str) else result
+                if not isinstance(resp_obj, dict):
+                    resp_obj = {"result": resp_obj}
+            except Exception:
+                resp_obj = {"result": str(result)}
+            response_parts.append(
+                gtypes.Part.from_function_response(name=fc.name, response=resp_obj)
+            )
+        contents.append(gtypes.Content(role="user", parts=response_parts))
+
+    # Loop exit safeguard (shouldn't reach here).
+    return "[gemini: tool loop exhausted]", accumulated
diff --git a/python/services/inference.py b/python/services/inference.py
index bd9693f3c..63d66220b 100644
--- a/python/services/inference.py
+++ b/python/services/inference.py
@@ -203,6 +203,15 @@ async def call_energy_provider(
             enable_caching=spec.get("supports_prompt_caching", False),
         )
 
+    if provider_id in ("gemini", "gemini3"):
+        from .gemini_native import call_gemini_native
+        return await call_gemini_native(
+            api_key, spec["model"], payload_messages, max_tokens,
+            use_tools=use_tools,
+            reasoning_effort=reasoning_effort,
+            supports_thinking=provider_id == "gemini3",
+        )
+
     return await _call_openai_compat(
         api_key, spec["url"], spec["model"], payload_messages, max_tokens,
         use_tools=use_tools,
diff --git a/repl_nix_workspace.egg-info/PKG-INFO b/repl_nix_workspace.egg-info/PKG-INFO
index 3cf67f65c..920f7330d 100644
--- a/repl_nix_workspace.egg-info/PKG-INFO
+++ b/repl_nix_workspace.egg-info/PKG-INFO
@@ -7,6 +7,7 @@ Requires-Dist: aiofiles>=25.1.0
 Requires-Dist: alembic>=1.18.4
 Requires-Dist: asyncpg>=0.31.0
 Requires-Dist: fastapi>=0.135.1
+Requires-Dist: google-genai>=1.73.1
 Requires-Dist: httpx>=0.28.1
 Requires-Dist: itsdangerous>=2.2.0
 Requires-Dist: numpy>=2.4.3
diff --git a/repl_nix_workspace.egg-info/requires.txt b/repl_nix_workspace.egg-info/requires.txt
index 50d1ae8b0..640056af2 100644
--- a/repl_nix_workspace.egg-info/requires.txt
+++ b/repl_nix_workspace.egg-info/requires.txt
@@ -2,6 +2,7 @@ aiofiles>=25.1.0
 alembic>=1.18.4
 asyncpg>=0.31.0
 fastapi>=0.135.1
+google-genai>=1.73.1
 httpx>=0.28.1
 itsdangerous>=2.2.0
 numpy>=2.4.3
diff --git a/uv.lock b/uv.lock
index 9ab858464..407abbf8b 100644
--- a/uv.lock
+++ b/uv.lock
@@ -309,6 +309,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/1b/82/ca4893968aeb2709aacfb57a30dec6fa2ab25b10fa9f064b8882ce33f599/cryptography-46.0.6-cp38-abi3-win_amd64.whl", hash = "sha256:79e865c642cfc5c0b3eb12af83c35c5aeff4fa5c672dc28c43721c2c9fdd2f0f", size = 3471160, upload-time = "2026-03-25T23:34:37.191Z" },
 ]
 
+[[package]]
+name = "distro"
+version = "1.9.0"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/fc/f8/98eea607f65de6527f8a2e8885fc8015d3e6f5775df186e443e0964a11c3/distro-1.9.0.tar.gz", hash = "sha256:2fa77c6fd8940f116ee1d6b94a2f90b13b5ea8d019b98bc8bafdcabcdd9bdbed", size = 60722, upload-time = "2023-12-24T09:54:32.31Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/12/b3/231ffd4ab1fc9d679809f356cebee130ac7daa00d6d6f3206dd4fd137e9e/distro-1.9.0-py3-none-any.whl", hash = "sha256:7bffd925d65168f85027d8da9af6bddab658135b840670a223589bc0c8ef02b2", size = 20277, upload-time = "2023-12-24T09:54:30.421Z" },
+]
+
 [[package]]
 name = "fastapi"
 version = "0.135.1"
@@ -325,6 +334,45 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/e4/72/42e900510195b23a56bde950d26a51f8b723846bfcaa0286e90287f0422b/fastapi-0.135.1-py3-none-any.whl", hash = "sha256:46e2fc5745924b7c840f71ddd277382af29ce1cdb7d5eab5bf697e3fb9999c9e", size = 116999, upload-time = "2026-03-01T18:18:30.831Z" },
 ]
 
+[[package]]
+name = "google-auth"
+version = "2.49.2"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "cryptography" },
+    { name = "pyasn1-modules" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/c6/fc/e925290a1ad95c975c459e2df070fac2b90954e13a0370ac505dff78cb99/google_auth-2.49.2.tar.gz", hash = "sha256:c1ae38500e73065dcae57355adb6278cf8b5c8e391994ae9cbadbcb9631ab409", size = 333958, upload-time = "2026-04-10T00:41:21.888Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/73/76/d241a5c927433420507215df6cac1b1fa4ac0ba7a794df42a84326c68da8/google_auth-2.49.2-py3-none-any.whl", hash = "sha256:c2720924dfc82dedb962c9f52cabb2ab16714fd0a6a707e40561d217574ed6d5", size = 240638, upload-time = "2026-04-10T00:41:14.501Z" },
+]
+
+[package.optional-dependencies]
+requests = [
+    { name = "requests" },
+]
+
+[[package]]
+name = "google-genai"
+version = "1.73.1"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "anyio" },
+    { name = "distro" },
+    { name = "google-auth", extra = ["requests"] },
+    { name = "httpx" },
+    { name = "pydantic" },
+    { name = "requests" },
+    { name = "sniffio" },
+    { name = "tenacity" },
+    { name = "typing-extensions" },
+    { name = "websockets" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/3d/d8/40f5f107e5a2976bbac52d421f04d14fc221b55a8f05e66be44b2f739fe6/google_genai-1.73.1.tar.gz", hash = "sha256:b637e3a3b9e2eccc46f27136d470165803de84eca52abfed2e7352081a4d5a15", size = 530998, upload-time = "2026-04-14T21:06:19.153Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/65/af/508e0528015240d710c6763f7c89ff44fab9a94a80b4377e265d692cbfd6/google_genai-1.73.1-py3-none-any.whl", hash = "sha256:af2d2287d25e42a187de19811ef33beb2e347c7e2bdb4dc8c467d78254e43a2c", size = 783595, upload-time = "2026-04-14T21:06:17.464Z" },
+]
+
 [[package]]
 name = "greenlet"
 version = "3.3.2"
@@ -629,6 +677,27 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/e1/36/9c0c326fe3a4227953dfb29f5d0c8ae3b8eb8c1cd2967aa569f50cb3c61f/psycopg2_binary-2.9.11-cp314-cp314-win_amd64.whl", hash = "sha256:4012c9c954dfaccd28f94e84ab9f94e12df76b4afb22331b1f0d3154893a6316", size = 2803913, upload-time = "2025-10-10T11:13:57.058Z" },
 ]
 
+[[package]]
+name = "pyasn1"
+version = "0.6.3"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/5c/5f/6583902b6f79b399c9c40674ac384fd9cd77805f9e6205075f828ef11fb2/pyasn1-0.6.3.tar.gz", hash = "sha256:697a8ecd6d98891189184ca1fa05d1bb00e2f84b5977c481452050549c8a72cf", size = 148685, upload-time = "2026-03-17T01:06:53.382Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/5d/a0/7d793dce3fa811fe047d6ae2431c672364b462850c6235ae306c0efd025f/pyasn1-0.6.3-py3-none-any.whl", hash = "sha256:a80184d120f0864a52a073acc6fc642847d0be408e7c7252f31390c0f4eadcde", size = 83997, upload-time = "2026-03-17T01:06:52.036Z" },
+]
+
+[[package]]
+name = "pyasn1-modules"
+version = "0.4.2"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "pyasn1" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/e9/e6/78ebbb10a8c8e4b61a59249394a4a594c1a7af95593dc933a349c8d00964/pyasn1_modules-0.4.2.tar.gz", hash = "sha256:677091de870a80aae844b1ca6134f54652fa2c8c5a52aa396440ac3106e941e6", size = 307892, upload-time = "2025-03-28T02:41:22.17Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/47/8d/d529b5d697919ba8c11ad626e835d4039be708a35b0d22de83a269a6682c/pyasn1_modules-0.4.2-py3-none-any.whl", hash = "sha256:29253a9207ce32b64c3ac6600edc75368f98473906e8fd1043bd6b5b1de2c14a", size = 181259, upload-time = "2025-03-28T02:41:19.028Z" },
+]
+
 [[package]]
 name = "pycparser"
 version = "3.0"
@@ -805,12 +874,13 @@ wheels = [
 [[package]]
 name = "repl-nix-workspace"
 version = "0.1.0"
-source = { virtual = "." }
+source = { editable = "." }
 dependencies = [
     { name = "aiofiles" },
     { name = "alembic" },
     { name = "asyncpg" },
     { name = "fastapi" },
+    { name = "google-genai" },
     { name = "httpx" },
     { name = "itsdangerous" },
     { name = "numpy" },
@@ -829,6 +899,7 @@ requires-dist = [
     { name = "alembic", specifier = ">=1.18.4" },
     { name = "asyncpg", specifier = ">=0.31.0" },
     { name = "fastapi", specifier = ">=0.135.1" },
+    { name = "google-genai", specifier = ">=1.73.1" },
     { name = "httpx", specifier = ">=0.28.1" },
     { name = "itsdangerous", specifier = ">=2.2.0" },
     { name = "numpy", specifier = ">=2.4.3" },
@@ -856,6 +927,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/d7/8e/7540e8a2036f79a125c1d2ebadf69ed7901608859186c856fa0388ef4197/requests-2.33.1-py3-none-any.whl", hash = "sha256:4e6d1ef462f3626a1f0a0a9c42dd93c63bad33f9f1c1937509b8c5c8718ab56a", size = 64947, upload-time = "2026-03-30T16:09:13.83Z" },
 ]
 
+[[package]]
+name = "sniffio"
+version = "1.3.1"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/a2/87/a6771e1546d97e7e041b6ae58d80074f81b7d5121207425c964ddf5cfdbd/sniffio-1.3.1.tar.gz", hash = "sha256:f4324edc670a0f49750a81b895f35c3adb843cca46f0530f79fc1babb23789dc", size = 20372, upload-time = "2024-02-25T23:20:04.057Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/e9/44/75a9c9421471a6c4805dbf2356f7c181a29c1879239abab1ea2cc8f38b40/sniffio-1.3.1-py3-none-any.whl", hash = "sha256:2f6da418d1f1e0fddd844478f41680e794e6051915791a034ff65e5f100525a2", size = 10235, upload-time = "2024-02-25T23:20:01.196Z" },
+]
+
 [[package]]
 name = "sqlalchemy"
 version = "2.0.48"
@@ -928,6 +1008,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/e4/ee/4537ba64d6c2f8bc58667f4381429c804bbc2e854b5857337cbc39add620/stripe-15.0.1-py3-none-any.whl", hash = "sha256:0a525e4550b5bf7fb44ff682266b9d46cfb38dd6f1f97a85d361c452f69e6b4b", size = 2132160, upload-time = "2026-04-01T23:52:18.647Z" },
 ]
 
+[[package]]
+name = "tenacity"
+version = "9.1.4"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/47/c6/ee486fd809e357697ee8a44d3d69222b344920433d3b6666ccd9b374630c/tenacity-9.1.4.tar.gz", hash = "sha256:adb31d4c263f2bd041081ab33b498309a57c77f9acf2db65aadf0898179cf93a", size = 49413, upload-time = "2026-02-07T10:45:33.841Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/d7/c1/eb8f9debc45d3b7918a32ab756658a0904732f75e555402972246b0b8e71/tenacity-9.1.4-py3-none-any.whl", hash = "sha256:6095a360c919085f28c6527de529e76a06ad89b23659fa881ae0649b867a9d55", size = 28926, upload-time = "2026-02-07T10:45:32.24Z" },
+]
+
 [[package]]
 name = "typing-extensions"
 version = "4.15.0"

From 026d8df7da21304c5607d45d1ad18bea46efdd81 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sat, 18 Apr 2026 13:23:42 +0000
Subject: [PATCH 15/61] Add ability to start chats with AI agents and improve
 model tier access control

Integrates Forge agents into chat conversations with `agent_id` support in conversations and messages, introduces a new `/api/v1/forge/agents/{id}/start-chat` endpoint, and updates `/api/v1/forge/models` to include `user_tier` and `min_tier` for client-side access control. The Anthropic service is migrated to use the official SDK for improved reliability and features.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: f7b55468-42a6-4cb8-8607-41909f87b420
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/R9ryPBc
Replit-Helium-Checkpoint-Created: true
---
 client/src/components/ForgeTab.tsx | 62 ++++++++++++++++++++++++------
 python/routes/chat.py              | 22 ++++++++++-
 python/routes/forge.py             | 46 ++++++++++++++++++++--
 python/services/energy_registry.py |  2 +
 python/services/inference.py       | 40 ++++++++++---------
 python/storage/core.py             |  1 +
 shared/schema.ts                   |  1 +
 7 files changed, 138 insertions(+), 36 deletions(-)

diff --git a/client/src/components/ForgeTab.tsx b/client/src/components/ForgeTab.tsx
index f60bad3b0..4762a811e 100644
--- a/client/src/components/ForgeTab.tsx
+++ b/client/src/components/ForgeTab.tsx
@@ -1,6 +1,6 @@
 import { useState } from "react";
 import { useQuery, useMutation } from "@tanstack/react-query";
-import { Hammer, Sparkles, Trash2, Loader2 } from "lucide-react";
+import { Hammer, Sparkles, Trash2, Loader2, MessageSquare } from "lucide-react";
 import { apiRequest, queryClient } from "@/lib/queryClient";
 import { Button } from "@/components/ui/button";
 import { Input } from "@/components/ui/input";
@@ -25,7 +25,12 @@ type Archetype = {
 };
 
 type Tool = { name: string; description: string; category: string };
-type Model = { id: string; label: string; vendor: string; available: boolean; active: boolean };
+type Model = {
+  id: string; label: string; vendor: string;
+  available: boolean; active: boolean;
+  min_tier?: string;
+};
+const TIER_RANK: Record<string, number> = { free: 0, supporter: 1, ws: 2, admin: 3 };
 type Agent = {
   id: number;
   name: string;
@@ -59,7 +64,9 @@ export default function ForgeTab() {
 
   const tplQ = useQuery<{ templates: Archetype[] }>({ queryKey: ["/api/v1/forge/templates"] });
   const toolsQ = useQuery<{ tools: Tool[] }>({ queryKey: ["/api/v1/forge/tools"] });
-  const modelsQ = useQuery<{ models: Model[] }>({ queryKey: ["/api/v1/forge/models"] });
+  const modelsQ = useQuery<{ models: Model[]; user_tier: string }>({ queryKey: ["/api/v1/forge/models"] });
+  const userTierRank = TIER_RANK[modelsQ.data?.user_tier ?? "free"] ?? 0;
+  const isModelLocked = (m: Model) => !!m.min_tier && (TIER_RANK[m.min_tier] ?? 0) > userTierRank;
   const agentsQ = useQuery<{ agents: Agent[] }>({ queryKey: ["/api/v1/forge/agents"] });
 
   const pickArchetype = (a: Archetype) => {
@@ -101,6 +108,21 @@ export default function ForgeTab() {
     onSuccess: () => queryClient.invalidateQueries({ queryKey: ["/api/v1/forge/agents"] }),
   });
 
+  const startChat = useMutation({
+    mutationFn: async (agentId: number) =>
+      apiRequest("POST", `/api/v1/forge/agents/${agentId}/start-chat`, {}),
+    onSuccess: (data: any) => {
+      queryClient.invalidateQueries({ queryKey: ["/api/v1/conversations"] });
+      const conv = data?.conversation;
+      const title = conv?.title || "the agent";
+      toast({
+        title: "Conversation pinned",
+        description: `Switch to Chat to talk to ${title}.`,
+      });
+    },
+    onError: (e: Error) => toast({ title: "Could not start chat", description: e.message, variant: "destructive" }),
+  });
+
   const toggleTool = (n: string) =>
     setTools(prev => prev.includes(n) ? prev.filter(x => x !== n) : [...prev, n]);
 
@@ -165,11 +187,18 @@ export default function ForgeTab() {
                   <SelectValue placeholder="Use active model" />
                 </SelectTrigger>
                 <SelectContent>
-                  {modelsQ.data?.models.map(m => (
-                    <SelectItem key={m.id} value={m.id} disabled={!m.available}>
-                      {m.label} {!m.available && "(no key)"}
-                    </SelectItem>
-                  ))}
+                  {modelsQ.data?.models.map(m => {
+                    const locked = isModelLocked(m);
+                    const disabled = !m.available || locked;
+                    return (
+                      <SelectItem key={m.id} value={m.id} disabled={disabled}
+                        data-testid={`option-model-${m.id}`}>
+                        {m.label}
+                        {!m.available && " (no key)"}
+                        {locked && ` (${m.min_tier}+ only)`}
+                      </SelectItem>
+                    );
+                  })}
                 </SelectContent>
               </Select>
             </div>
@@ -265,10 +294,19 @@ export default function ForgeTab() {
                 <CardHeader className="pb-2">
                   <CardTitle className="text-base flex items-center justify-between">
                     <span data-testid={`text-agent-name-${a.id}`}>{a.name}</span>
-                    <Button size="icon" variant="ghost" onClick={() => removeAgent.mutate(a.id)}
-                      data-testid={`button-delete-agent-${a.id}`}>
-                      <Trash2 className="h-4 w-4" />
-                    </Button>
+                    <div className="flex gap-1">
+                      <Button size="icon" variant="ghost"
+                        onClick={() => startChat.mutate(a.id)}
+                        disabled={startChat.isPending}
+                        data-testid={`button-chat-agent-${a.id}`}
+                        title="Start a conversation pinned to this agent">
+                        <MessageSquare className="h-4 w-4" />
+                      </Button>
+                      <Button size="icon" variant="ghost" onClick={() => removeAgent.mutate(a.id)}
+                        data-testid={`button-delete-agent-${a.id}`}>
+                        <Trash2 className="h-4 w-4" />
+                      </Button>
+                    </div>
                   </CardTitle>
                 </CardHeader>
                 <CardContent className="text-xs space-y-1">
diff --git a/python/routes/chat.py b/python/routes/chat.py
index 187e666e8..d7c402df5 100644
--- a/python/routes/chat.py
+++ b/python/routes/chat.py
@@ -112,6 +112,7 @@ def _store_pending_gate(conv_id: int, entry: dict) -> None:
 class CreateConversation(BaseModel):
     title: str = "New Chat"
     model: str = "gemini"
+    agent_id: Optional[int] = None
     # Note: userId from body is now ignored — owner is always the authenticated caller.
 
 
@@ -122,6 +123,7 @@ class UpdateConversation(BaseModel):
 class SendMessage(BaseModel):
     content: str
     model: Optional[str] = None
+    agent_id: Optional[int] = None
 
 
 def _caller_uid(request: Request) -> Optional[str]:
@@ -270,7 +272,23 @@ async def send_message(conv_id: int, body: SendMessage, request: Request):
                 if rec:
                     tier = rec["subscription_tier"]
 
-        model_id = body.model or conv.get("model", "grok")
+        # Forge agent binding: per-message agent_id wins, else fall back to the
+        # conversation's pinned agent. Agent loaded once per send.
+        agent_persona: Optional[str] = None
+        agent_model_id: Optional[str] = None
+        effective_agent_id = body.agent_id or conv.get("agent_id")
+        if effective_agent_id and uid:
+            from sqlalchemy import text as _text2
+            async with engine.connect() as conn:
+                arow = (await conn.execute(_text2(
+                    "SELECT model_id, system_prompt FROM agent_instances "
+                    "WHERE id = :id AND owner_id = :uid AND is_template = false"
+                ), {"id": effective_agent_id, "uid": uid})).mappings().first()
+            if arow:
+                agent_persona = arow["system_prompt"]
+                agent_model_id = arow["model_id"]
+
+        model_id = body.model or agent_model_id or conv.get("model", "grok")
         provider_id = energy_registry.get_active_provider() or model_id
 
         # Tier-gate restricted models (e.g. gemini3 = ws/admin only).
@@ -428,7 +446,7 @@ async def send_message(conv_id: int, body: SendMessage, request: Request):
                 "conversation_id": conv_id,
             }
 
-        system_prompt = await _build_system_prompt(tier)
+        system_prompt = await _build_system_prompt(tier, agent_persona=agent_persona)
 
         user_msg = await storage.create_message({
             "conversation_id": conv_id,
diff --git a/python/routes/forge.py b/python/routes/forge.py
index 984092959..9b22f28d8 100644
--- a/python/routes/forge.py
+++ b/python/routes/forge.py
@@ -225,10 +225,24 @@ async def list_tools() -> dict:
 
 
 @router.get("/models")
-async def list_models() -> dict:
-    """Self-updating: introspects energy_registry every call."""
+async def list_models(request: Request) -> dict:
+    """Self-updating: introspects energy_registry every call.
+
+    Returns user_tier alongside the models list so the UI can disable
+    entries whose `min_tier` exceeds the caller's tier without a second
+    round-trip.
+    """
     await energy_registry.load_from_db()
-    return {"models": energy_registry.list_providers()}
+    user_tier = "free"
+    uid = request.headers.get("x-user-id") or request.headers.get("X-User-Id")
+    if uid:
+        async with get_session() as session:
+            row = (await session.execute(sa_text(
+                "SELECT subscription_tier FROM users WHERE id = :id"
+            ), {"id": uid})).mappings().first()
+            if row:
+                user_tier = row["subscription_tier"]
+    return {"models": energy_registry.list_providers(), "user_tier": user_tier}
 
 
 @router.get("/agents")
@@ -345,6 +359,32 @@ async def delete_agent(agent_id: int, request: Request) -> dict:
     return {"deleted": agent_id}
 
 
+@router.post("/agents/{agent_id}/start-chat")
+async def start_chat(agent_id: int, request: Request) -> dict:
+    """Create a new conversation pinned to this Forge agent.
+
+    Pinning means: every send_message in this conversation auto-injects the
+    agent's system_prompt as the persona slot and uses the agent's model_id
+    unless explicitly overridden.
+    """
+    uid = _user_id(request)
+    async with get_session() as session:
+        arow = (await session.execute(sa_text(
+            "SELECT id, name, model_id FROM agent_instances "
+            "WHERE id = :id AND owner_id = :uid AND is_template = false"
+        ), {"id": agent_id, "uid": uid})).mappings().first()
+        if not arow:
+            raise HTTPException(404, "Agent not found")
+    from ..storage import storage
+    conv = await storage.create_conversation({
+        "title": f"⚔ {arow['name']}",
+        "model": arow["model_id"] or "grok",
+        "user_id": uid,
+        "agent_id": agent_id,
+    })
+    return {"conversation": conv}
+
+
 @router.post("/duel")
 async def duel_stub() -> dict:
     """RPG-style agent vs agent — DB shape live, logic deferred."""
diff --git a/python/services/energy_registry.py b/python/services/energy_registry.py
index 217cfa653..da1a73949 100644
--- a/python/services/energy_registry.py
+++ b/python/services/energy_registry.py
@@ -127,6 +127,8 @@ def list_providers(self) -> list[dict]:
                 "vendor": info["vendor"],
                 "available": available,
                 "active": pid == self._active,
+                "min_tier": info.get("min_tier"),
+                "supports_thinking": bool(info.get("supports_thinking")),
             })
         return result
 
diff --git a/python/services/inference.py b/python/services/inference.py
index 63d66220b..4c406bcb1 100644
--- a/python/services/inference.py
+++ b/python/services/inference.py
@@ -528,14 +528,21 @@ async def _call_anthropic(
     enable_caching: bool = True,
 ) -> tuple[str, dict]:
     """
-    Anthropic Messages API with Claude tool use, extended thinking, and prompt caching.
+    Anthropic Messages API via the official `anthropic` SDK.
 
     - reasoning_effort: when set, enables extended thinking with a budget mapped from effort.
     - enable_caching: when True, marks the system prompt and tools list with cache_control,
       cutting input cost ~80% on repeated turns. Requires the prefix to be >= 1024 tokens
       to actually cache (Anthropic ignores cache_control on smaller prefixes silently).
+
+    Migrated from raw httpx to the SDK so we get typed responses, automatic
+    retries on 429/5xx (max_retries=2 default), and forward-compat with new
+    Anthropic features (computer use, files, beta headers) without rewriting
+    the request shape.
     """
-    spec = PROVIDER_ENDPOINTS["claude"]
+    from anthropic import AsyncAnthropic
+    client = AsyncAnthropic(api_key=api_key, max_retries=2, timeout=90.0)
+
     system_text = ""
     filtered: list[dict] = []
     for m in messages:
@@ -544,12 +551,6 @@ async def _call_anthropic(
         else:
             filtered.append(m)
 
-    headers = {
-        "x-api-key": api_key,
-        "anthropic-version": _ANTHROPIC_VERSION,
-        "Content-Type": "application/json",
-    }
-
     claude_tools = [
         {
             "name": s["function"]["name"],
@@ -607,34 +608,35 @@ async def _call_anthropic(
     prev_call_fingerprint: Optional[str] = None
 
     for _round in range(_MAX_TOOL_ROUNDS + 1):
-        payload: dict = {
+        kwargs: dict = {
             "model": model,
             "max_tokens": max_tokens,
             "messages": current_messages,
         }
         if system_blocks:
-            payload["system"] = system_blocks
+            kwargs["system"] = system_blocks
         if use_tools:
-            payload["tools"] = claude_tools
+            kwargs["tools"] = claude_tools
         # Extended thinking is enabled on every round; the assistant turn we re-inject
         # below preserves the model's thinking blocks intact (Anthropic requires this
         # when continuing a thinking conversation).
         if thinking_budget > 0:
-            payload["thinking"] = {"type": "enabled", "budget_tokens": thinking_budget}
+            kwargs["thinking"] = {"type": "enabled", "budget_tokens": thinking_budget}
             # thinking forces temperature=1 — don't set temperature alongside it.
 
         try:
-            async with httpx.AsyncClient(timeout=90.0) as client:
-                resp = await _post_with_retry(client, spec["url"], json_payload=payload, headers=headers)
-                data = resp.json()
+            msg = await client.messages.create(**kwargs)
         except Exception as exc:
             return _sanitize_provider_error("claude", exc), accumulated_usage
 
-        for k, v in (data.get("usage") or {}).items():
-            accumulated_usage[k] = accumulated_usage.get(k, 0) + (v if isinstance(v, (int, float)) else 0)
+        # SDK returns a typed Message — coerce to dict shape the existing loop expects.
+        usage_dict = msg.usage.model_dump() if msg.usage else {}
+        for k, v in usage_dict.items():
+            if isinstance(v, (int, float)):
+                accumulated_usage[k] = accumulated_usage.get(k, 0) + v
 
-        stop_reason = data.get("stop_reason", "end_turn")
-        content_blocks = data.get("content", [])
+        stop_reason = msg.stop_reason or "end_turn"
+        content_blocks = [b.model_dump() for b in (msg.content or [])]
 
         tool_use_blocks = [b for b in content_blocks if b.get("type") == "tool_use"]
 
diff --git a/python/storage/core.py b/python/storage/core.py
index 480df37e3..5393839f5 100644
--- a/python/storage/core.py
+++ b/python/storage/core.py
@@ -17,6 +17,7 @@
 _CONV_ALLOWED_FIELDS = {
     "title", "model", "user_id", "context_boost",
     "parent_conv_id", "subagent_status", "subagent_error", "archived",
+    "agent_id",
 }
 _MSG_ALLOWED_FIELDS = {
     "conversation_id", "role", "content", "model", "metadata",
diff --git a/shared/schema.ts b/shared/schema.ts
index 7b0db8baa..ea227776a 100644
--- a/shared/schema.ts
+++ b/shared/schema.ts
@@ -16,6 +16,7 @@ export const conversations = pgTable("conversations", {
   subagentStatus: varchar("subagent_status", { length: 20 }),
   subagentError: text("subagent_error"),
   archived: boolean("archived").notNull().default(false),
+  agentId: integer("agent_id"),
   createdAt: timestamp("created_at").default(sql`CURRENT_TIMESTAMP`).notNull(),
   updatedAt: timestamp("updated_at").default(sql`CURRENT_TIMESTAMP`).notNull(),
 }, (t) => [

From 6b38830cda1ce7ea59e2dfae3639c6c50536acc2 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sat, 18 Apr 2026 13:27:22 +0000
Subject: [PATCH 16/61] Fix error when displaying number of sections in sidebar

Add defensive length check for tab sections in sidebar component.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 7e947fd7-45db-4194-a748-d2dddbc6dc19
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/R9ryPBc
Replit-Helium-Checkpoint-Created: true
---
 ...260418_062511_Chrome_Beta_1776518798694.png | Bin 0 -> 100331 bytes
 client/src/components/console-sidebar.tsx      |   2 +-
 2 files changed, 1 insertion(+), 1 deletion(-)
 create mode 100644 attached_assets/Screenshot_20260418_062511_Chrome_Beta_1776518798694.png

diff --git a/attached_assets/Screenshot_20260418_062511_Chrome_Beta_1776518798694.png b/attached_assets/Screenshot_20260418_062511_Chrome_Beta_1776518798694.png
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literal 0
HcmV?d00001

diff --git a/client/src/components/console-sidebar.tsx b/client/src/components/console-sidebar.tsx
index 1efdeb1d7..a39ac3de7 100644
--- a/client/src/components/console-sidebar.tsx
+++ b/client/src/components/console-sidebar.tsx
@@ -61,7 +61,7 @@ export default function ConsoleSidebar({
                 {Icon && <Icon className="h-3.5 w-3.5 shrink-0" />}
                 <span className="truncate">{tab.label}</span>
                 <span className="ml-auto text-[10px] opacity-50">
-                  {tab.sections.length}
+                  {tab.sections?.length ?? 0}
                 </span>
               </button>
             );

From 2182bc5386aca0fbc7aa501d95d0d56429a84917 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sat, 18 Apr 2026 13:38:19 +0000
Subject: [PATCH 17/61] Add fields to conversation model to support sub-agent
 functionality

Update the SQLAlchemy Conversation model to include new fields: context_boost, parent_conv_id, subagent_status, subagent_error, archived, and agent_id.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 73cd1ea9-4c3d-4da0-b627-bbdafbc23139
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/R9ryPBc
Replit-Helium-Checkpoint-Created: true
---
 python/models.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/python/models.py b/python/models.py
index fc51a5b94..2304dfb57 100644
--- a/python/models.py
+++ b/python/models.py
@@ -47,6 +47,12 @@ class Conversation(Base):
     title = Column(Text, nullable=False, server_default="New Chat")
     model = Column(Text, nullable=False, server_default="gemini")
     user_id = Column(String)
+    context_boost = Column(Text)
+    parent_conv_id = Column(Integer)
+    subagent_status = Column(String(20))
+    subagent_error = Column(Text)
+    archived = Column(Boolean, nullable=False, server_default=text("false"))
+    agent_id = Column(Integer)
     created_at = Column(DateTime, nullable=False, server_default=text("CURRENT_TIMESTAMP"))
     updated_at = Column(DateTime, nullable=False, server_default=text("CURRENT_TIMESTAMP"))
 

From 28bb483baadcc24d3d64b0fb13958fb8d8f32cf4 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sat, 18 Apr 2026 13:47:29 +0000
Subject: [PATCH 18/61] Add inline chat for agents and a cheaper model option

Integrate an inline chat component within the Forge tab for agents. Modify the conversations API endpoint to filter by agent ID and introduce a backend knob for selecting a cheaper model as the default for new agents.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 10765a2b-b43b-4eb7-bdaa-e3c9b309ec94
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/qxbFbi7
Replit-Helium-Checkpoint-Created: true
---
 client/src/components/ForgeAgentChat.tsx | 195 +++++++++++++++++++++++
 client/src/components/ForgeTab.tsx       |  34 ++--
 python/routes/chat.py                    |  11 +-
 python/storage/core.py                   |  19 ++-
 4 files changed, 234 insertions(+), 25 deletions(-)
 create mode 100644 client/src/components/ForgeAgentChat.tsx

diff --git a/client/src/components/ForgeAgentChat.tsx b/client/src/components/ForgeAgentChat.tsx
new file mode 100644
index 000000000..2d9fdb824
--- /dev/null
+++ b/client/src/components/ForgeAgentChat.tsx
@@ -0,0 +1,195 @@
+import { useEffect, useRef, useState } from "react";
+import { useQuery, useMutation } from "@tanstack/react-query";
+import { Plus, Loader2, MessageSquare, Trash2, X } from "lucide-react";
+import { apiRequest, queryClient } from "@/lib/queryClient";
+import { Button } from "@/components/ui/button";
+import { Skeleton } from "@/components/ui/skeleton";
+import { useToast } from "@/hooks/use-toast";
+import { type Message, MessageBubble } from "@/components/chat-messages";
+import { ChatInput } from "@/components/chat-widgets";
+
+type Conversation = {
+  id: number;
+  title: string;
+  model: string;
+  agent_id: number | null;
+  updated_at: string;
+};
+
+type Props = {
+  agentId: number;
+  agentName: string;
+  onClose: () => void;
+};
+
+const lsKey = (agentId: number) => `a0p_forge_active_conv_${agentId}`;
+
+export default function ForgeAgentChat({ agentId, agentName, onClose }: Props) {
+  const { toast } = useToast();
+  const scrollRef = useRef<HTMLDivElement>(null);
+
+  const [activeConvId, setActiveConvId] = useState<number | null>(() => {
+    const saved = localStorage.getItem(lsKey(agentId));
+    return saved ? parseInt(saved, 10) : null;
+  });
+
+  const selectConv = (id: number | null) => {
+    setActiveConvId(id);
+    if (id == null) localStorage.removeItem(lsKey(agentId));
+    else localStorage.setItem(lsKey(agentId), String(id));
+  };
+
+  const convsQ = useQuery<Conversation[]>({
+    queryKey: ["/api/v1/conversations", { agent_id: agentId }],
+    queryFn: async () => {
+      const res = await apiRequest("GET", `/api/v1/conversations?agent_id=${agentId}`);
+      return res.json();
+    },
+    refetchInterval: 15_000,
+  });
+
+  const messagesQ = useQuery<Message[]>({
+    queryKey: ["/api/v1/conversations", activeConvId, "messages"],
+    enabled: !!activeConvId,
+    refetchInterval: 5_000,
+  });
+
+  // Auto-pick first conversation on mount or when active one disappears
+  useEffect(() => {
+    const list = convsQ.data || [];
+    if (list.length === 0) return;
+    if (!activeConvId || !list.find((c) => c.id === activeConvId)) {
+      selectConv(list[0].id);
+    }
+  }, [convsQ.data]); // eslint-disable-line react-hooks/exhaustive-deps
+
+  useEffect(() => {
+    if (scrollRef.current) scrollRef.current.scrollTop = scrollRef.current.scrollHeight;
+  }, [messagesQ.data]);
+
+  const newChat = useMutation({
+    mutationFn: async () => {
+      const res = await apiRequest("POST", `/api/v1/forge/agents/${agentId}/start-chat`, {});
+      return res.json();
+    },
+    onSuccess: (data) => {
+      const conv = data?.conversation;
+      queryClient.invalidateQueries({ queryKey: ["/api/v1/conversations", { agent_id: agentId }] });
+      if (conv?.id) selectConv(conv.id);
+    },
+    onError: (e: Error) => toast({ title: "Could not start chat", description: e.message, variant: "destructive" }),
+  });
+
+  const deleteConv = useMutation({
+    mutationFn: async (id: number) => apiRequest("DELETE", `/api/v1/conversations/${id}`),
+    onSuccess: (_d, id) => {
+      queryClient.invalidateQueries({ queryKey: ["/api/v1/conversations", { agent_id: agentId }] });
+      if (id === activeConvId) selectConv(null);
+    },
+  });
+
+  const sendMessage = useMutation({
+    mutationFn: async (content: string) => {
+      if (!activeConvId) throw new Error("Pick or start a conversation first");
+      const res = await apiRequest("POST", `/api/v1/conversations/${activeConvId}/messages`, {
+        role: "user",
+        content,
+        agent_id: agentId,
+      });
+      return res.json();
+    },
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ["/api/v1/conversations", activeConvId, "messages"] });
+      queryClient.invalidateQueries({ queryKey: ["/api/v1/conversations", { agent_id: agentId }] });
+    },
+    onError: (e: Error) => toast({ title: "Send failed", description: e.message, variant: "destructive" }),
+  });
+
+  const conversations = convsQ.data || [];
+  const messages = messagesQ.data || [];
+
+  return (
+    <div className="border rounded-lg bg-card flex flex-col h-[60vh] sm:h-[70vh] overflow-hidden"
+         data-testid={`forge-chat-${agentId}`}>
+      <div className="flex items-center gap-2 px-3 py-2 border-b">
+        <MessageSquare className="h-4 w-4 text-primary" />
+        <span className="text-sm font-semibold truncate">Chat with {agentName}</span>
+        <Button size="sm" variant="ghost" className="ml-auto h-7 text-xs"
+          onClick={() => newChat.mutate()}
+          disabled={newChat.isPending}
+          data-testid={`button-new-forge-chat-${agentId}`}>
+          {newChat.isPending ? <Loader2 className="h-3 w-3 animate-spin" /> : <Plus className="h-3 w-3 mr-1" />}
+          New
+        </Button>
+        <Button size="icon" variant="ghost" className="h-7 w-7"
+          onClick={onClose}
+          data-testid={`button-close-forge-chat-${agentId}`}>
+          <X className="h-4 w-4" />
+        </Button>
+      </div>
+
+      {conversations.length > 1 && (
+        <div className="flex gap-1 px-2 py-1 border-b overflow-x-auto" data-testid={`forge-conv-tabs-${agentId}`}>
+          {conversations.map((c) => (
+            <div key={c.id} className="flex items-center shrink-0">
+              <button
+                className={`text-xs px-2 py-1 rounded-l ${
+                  c.id === activeConvId
+                    ? "bg-primary/15 text-primary font-medium"
+                    : "text-muted-foreground hover:bg-muted"
+                }`}
+                onClick={() => selectConv(c.id)}
+                data-testid={`button-pick-forge-conv-${c.id}`}
+              >
+                {c.title.replace(/^⚔\s*/, "")}
+              </button>
+              <button
+                className="text-xs px-1 py-1 rounded-r text-muted-foreground hover:text-destructive hover:bg-muted"
+                onClick={() => deleteConv.mutate(c.id)}
+                title="Delete this conversation"
+                data-testid={`button-delete-forge-conv-${c.id}`}
+              >
+                <Trash2 className="h-3 w-3" />
+              </button>
+            </div>
+          ))}
+        </div>
+      )}
+
+      <div ref={scrollRef} className="flex-1 overflow-auto p-3">
+        {convsQ.isLoading ? (
+          <div className="space-y-2">
+            {[1, 2].map((i) => <Skeleton key={i} className="h-10 w-3/4" />)}
+          </div>
+        ) : conversations.length === 0 ? (
+          <div className="h-full flex flex-col items-center justify-center gap-2 text-muted-foreground">
+            <p className="text-sm">No conversations with {agentName} yet.</p>
+            <Button size="sm" onClick={() => newChat.mutate()} disabled={newChat.isPending}
+              data-testid={`button-first-forge-chat-${agentId}`}>
+              {newChat.isPending ? <Loader2 className="h-3 w-3 animate-spin mr-1" /> : <Plus className="h-3 w-3 mr-1" />}
+              Start the first one
+            </Button>
+          </div>
+        ) : messagesQ.isLoading ? (
+          <div className="space-y-2">
+            {[1, 2, 3].map((i) => <Skeleton key={i} className="h-12 w-3/4" />)}
+          </div>
+        ) : messages.length === 0 ? (
+          <div className="h-full flex items-center justify-center text-muted-foreground">
+            <p className="text-sm">Say hello to {agentName}.</p>
+          </div>
+        ) : (
+          <div className="flex flex-col gap-2">
+            {messages.map((m) => (
+              <MessageBubble key={m.id} message={m} onSend={(c) => sendMessage.mutate(c)} />
+            ))}
+          </div>
+        )}
+      </div>
+
+      {!!activeConvId && (
+        <ChatInput onSend={(c) => sendMessage.mutate(c)} isSending={sendMessage.isPending} />
+      )}
+    </div>
+  );
+}
diff --git a/client/src/components/ForgeTab.tsx b/client/src/components/ForgeTab.tsx
index 4762a811e..609ee0df9 100644
--- a/client/src/components/ForgeTab.tsx
+++ b/client/src/components/ForgeTab.tsx
@@ -2,6 +2,7 @@ import { useState } from "react";
 import { useQuery, useMutation } from "@tanstack/react-query";
 import { Hammer, Sparkles, Trash2, Loader2, MessageSquare } from "lucide-react";
 import { apiRequest, queryClient } from "@/lib/queryClient";
+import ForgeAgentChat from "./ForgeAgentChat";
 import { Button } from "@/components/ui/button";
 import { Input } from "@/components/ui/input";
 import { Textarea } from "@/components/ui/textarea";
@@ -61,6 +62,7 @@ export default function ForgeTab() {
   const [alignment, setAlignment] = useState("neutral-good");
   const [verbosity, setVerbosity] = useState(5);
   const [traits, setTraits] = useState("");
+  const [openChatAgentId, setOpenChatAgentId] = useState<number | null>(null);
 
   const tplQ = useQuery<{ templates: Archetype[] }>({ queryKey: ["/api/v1/forge/templates"] });
   const toolsQ = useQuery<{ tools: Tool[] }>({ queryKey: ["/api/v1/forge/tools"] });
@@ -108,21 +110,6 @@ export default function ForgeTab() {
     onSuccess: () => queryClient.invalidateQueries({ queryKey: ["/api/v1/forge/agents"] }),
   });
 
-  const startChat = useMutation({
-    mutationFn: async (agentId: number) =>
-      apiRequest("POST", `/api/v1/forge/agents/${agentId}/start-chat`, {}),
-    onSuccess: (data: any) => {
-      queryClient.invalidateQueries({ queryKey: ["/api/v1/conversations"] });
-      const conv = data?.conversation;
-      const title = conv?.title || "the agent";
-      toast({
-        title: "Conversation pinned",
-        description: `Switch to Chat to talk to ${title}.`,
-      });
-    },
-    onError: (e: Error) => toast({ title: "Could not start chat", description: e.message, variant: "destructive" }),
-  });
-
   const toggleTool = (n: string) =>
     setTools(prev => prev.includes(n) ? prev.filter(x => x !== n) : [...prev, n]);
 
@@ -295,11 +282,11 @@ export default function ForgeTab() {
                   <CardTitle className="text-base flex items-center justify-between">
                     <span data-testid={`text-agent-name-${a.id}`}>{a.name}</span>
                     <div className="flex gap-1">
-                      <Button size="icon" variant="ghost"
-                        onClick={() => startChat.mutate(a.id)}
-                        disabled={startChat.isPending}
+                      <Button size="icon"
+                        variant={openChatAgentId === a.id ? "default" : "ghost"}
+                        onClick={() => setOpenChatAgentId(prev => prev === a.id ? null : a.id)}
                         data-testid={`button-chat-agent-${a.id}`}
-                        title="Start a conversation pinned to this agent">
+                        title="Open inline chat with this agent">
                         <MessageSquare className="h-4 w-4" />
                       </Button>
                       <Button size="icon" variant="ghost" onClick={() => removeAgent.mutate(a.id)}
@@ -322,6 +309,15 @@ export default function ForgeTab() {
                     <p className="text-muted-foreground">{a.personality.alignment} · v{a.personality.verbosity}</p>
                   )}
                 </CardContent>
+                {openChatAgentId === a.id && (
+                  <CardContent className="pt-0">
+                    <ForgeAgentChat
+                      agentId={a.id}
+                      agentName={a.name}
+                      onClose={() => setOpenChatAgentId(null)}
+                    />
+                  </CardContent>
+                )}
               </Card>
             ))}
           </div>
diff --git a/python/routes/chat.py b/python/routes/chat.py
index d7c402df5..7af84a5a7 100644
--- a/python/routes/chat.py
+++ b/python/routes/chat.py
@@ -148,12 +148,17 @@ async def _require_owned_conv(conv_id: int, uid: Optional[str]) -> dict:
 
 
 @router.get("/conversations")
-async def list_conversations(request: Request):
+async def list_conversations(request: Request, agent_id: int | None = None):
+    """List conversations.
+
+    Defaults to a0-only (excludes any conversation pinned to a Forge agent).
+    Pass ?agent_id=<id> to fetch only conversations pinned to that agent —
+    used by the Forge tab's inline chat surface.
+    """
     uid = _caller_uid(request)
     if not uid:
-        # Never return a global list when caller identity is missing.
         raise HTTPException(status_code=401, detail="authentication required")
-    return await storage.get_conversations(user_id=uid)
+    return await storage.get_conversations(user_id=uid, agent_id=agent_id)
 
 
 @router.post("/conversations")
diff --git a/python/storage/core.py b/python/storage/core.py
index 5393839f5..67814a873 100644
--- a/python/storage/core.py
+++ b/python/storage/core.py
@@ -38,16 +38,29 @@ def _filter_fields(data: Dict[str, Any], allowed: set) -> Dict[str, Any]:
 
 class _CoreStorage:
 
-    async def get_conversations(self, user_id: Optional[str] = None) -> List[Dict[str, Any]]:
+    async def get_conversations(
+        self,
+        user_id: Optional[str] = None,
+        agent_id: Optional[int] = None,
+        include_agent_pinned: bool = False,
+    ) -> List[Dict[str, Any]]:
         """List conversations strictly scoped to a single user.
 
-        Pass None only for explicit admin-style unscoped views. Legacy
-        NULL-owner rows are NOT returned to regular callers.
+        agent_id semantics:
+          - None + include_agent_pinned=False (default): only a0 conversations
+            (rows where agent_id IS NULL). This keeps the main Chat sidebar
+            from being polluted with Forge agent chats.
+          - int: only conversations pinned to that specific agent.
+          - None + include_agent_pinned=True: everything (admin / debug).
         """
         async with get_session() as session:
             q = select(Conversation).order_by(desc(Conversation.updated_at))
             if user_id is not None:
                 q = q.where(Conversation.user_id == user_id)
+            if agent_id is not None:
+                q = q.where(Conversation.agent_id == agent_id)
+            elif not include_agent_pinned:
+                q = q.where(Conversation.agent_id.is_(None))
             result = await session.execute(q)
             return [_row_to_dict(r) for r in result.scalars().all()]
 

From b1562734d27cec6b162e5ab8693abf5d76c79711 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sat, 18 Apr 2026 19:28:50 +0000
Subject: [PATCH 19/61] Add archive functionality to conversations and clean up
 agent data

Add a new endpoint for archiving conversations and implement localStorage cleanup upon agent deletion.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 5bfe7229-b5bc-4be0-bd8e-dd961c44cdd8
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/kgqtYuu
Replit-Helium-Checkpoint-Created: true
---
 client/src/components/ForgeTab.tsx | 12 ++++++++++--
 python/routes/chat.py              | 12 ++++++++++++
 python/storage/core.py             |  7 +++++++
 3 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/client/src/components/ForgeTab.tsx b/client/src/components/ForgeTab.tsx
index 609ee0df9..427a9ec77 100644
--- a/client/src/components/ForgeTab.tsx
+++ b/client/src/components/ForgeTab.tsx
@@ -106,8 +106,16 @@ export default function ForgeTab() {
   });
 
   const removeAgent = useMutation({
-    mutationFn: async (id: number) => apiRequest("DELETE", `/api/v1/forge/agents/${id}`),
-    onSuccess: () => queryClient.invalidateQueries({ queryKey: ["/api/v1/forge/agents"] }),
+    mutationFn: async (id: number) => {
+      await apiRequest("DELETE", `/api/v1/forge/agents/${id}`);
+      return id;
+    },
+    onSuccess: (id) => {
+      try { localStorage.removeItem(`a0p_forge_active_conv_${id}`); } catch {}
+      if (openChatAgentId === id) setOpenChatAgentId(null);
+      queryClient.invalidateQueries({ queryKey: ["/api/v1/forge/agents"] });
+      queryClient.invalidateQueries({ queryKey: ["/api/v1/conversations"] });
+    },
   });
 
   const toggleTool = (n: string) =>
diff --git a/python/routes/chat.py b/python/routes/chat.py
index 7af84a5a7..7bb6cb2fc 100644
--- a/python/routes/chat.py
+++ b/python/routes/chat.py
@@ -193,6 +193,18 @@ async def delete_conversation(conv_id: int, request: Request):
     return {"ok": True}
 
 
+class ArchiveConversation(BaseModel):
+    archived: bool
+
+
+@router.patch("/conversations/{conv_id}/archive")
+async def archive_conversation(conv_id: int, body: ArchiveConversation, request: Request):
+    uid = _caller_uid(request)
+    await _require_owned_conv(conv_id, uid)
+    await storage.set_conversation_archived(conv_id, body.archived)
+    return {"ok": True, "archived": body.archived}
+
+
 @router.get("/conversations/{conv_id}/messages")
 async def list_messages(conv_id: int, request: Request):
     uid = _caller_uid(request)
diff --git a/python/storage/core.py b/python/storage/core.py
index 67814a873..7202a9777 100644
--- a/python/storage/core.py
+++ b/python/storage/core.py
@@ -89,6 +89,13 @@ async def delete_conversation(self, id: int) -> None:
         async with get_session() as session:
             await session.execute(delete(Conversation).where(Conversation.id == id))
 
+    async def set_conversation_archived(self, id: int, archived: bool) -> None:
+        async with get_session() as session:
+            await session.execute(
+                update(Conversation).where(Conversation.id == id)
+                .values(archived=archived, updated_at=datetime.utcnow())
+            )
+
     async def get_messages(self, conversation_id: int) -> List[Dict[str, Any]]:
         async with get_session() as session:
             result = await session.execute(

From 61c910a4a2fbcbf073ea1b6d929cd3372b15989a Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sat, 18 Apr 2026 21:49:46 +0000
Subject: [PATCH 20/61] Add three customizable interface color schemes with
 theme switching

Introduces a new theme switching mechanism to `client/src/index.css`, `client/src/hooks/use-skin.ts`, `client/src/main.tsx`, and `client/src/components/top-nav.tsx` enabling users to select from three distinct color palettes (Tensor Node, Synthwave Mesh, Copper Codex) with persistence via localStorage.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 08a92d76-9961-4754-8c91-6d37a6e50253
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/iJrzmGd
Replit-Helium-Checkpoint-Created: true
---
 client/src/components/top-nav.tsx |  58 ++++++++++++++++-
 client/src/hooks/use-skin.ts      |  42 ++++++++++++
 client/src/index.css              | 102 +++++++++++++++++++++++++++++-
 client/src/main.tsx               |   6 ++
 4 files changed, 206 insertions(+), 2 deletions(-)
 create mode 100644 client/src/hooks/use-skin.ts

diff --git a/client/src/components/top-nav.tsx b/client/src/components/top-nav.tsx
index b765cf401..a27f91769 100644
--- a/client/src/components/top-nav.tsx
+++ b/client/src/components/top-nav.tsx
@@ -1,12 +1,15 @@
 // 84:0
 import { useLocation, Link } from "wouter";
-import { Zap, Shield } from "lucide-react";
+import { Zap, Shield, Palette, Check } from "lucide-react";
 import { cn } from "@/lib/utils";
 import { useUiStructure } from "@/hooks/use-ui-structure";
 import { useBillingStatus } from "@/hooks/use-billing-status";
 import { useAuth } from "@/hooks/use-auth";
 import { useEffect } from "react";
 import { useToast } from "@/hooks/use-toast";
+import { useSkin, SKINS, SKIN_LABELS, type Skin } from "@/hooks/use-skin";
+import { Popover, PopoverContent, PopoverTrigger } from "@/components/ui/popover";
+import { Button } from "@/components/ui/button";
 
 const NAV_ITEMS = [
   { path: "/", icon: Zap, label: "Agent" },
@@ -26,6 +29,13 @@ export default function TopNav() {
   const { user } = useAuth();
   const { tier, tierLabel } = useBillingStatus();
   const { toast } = useToast();
+  const { skin, setSkin } = useSkin();
+
+  const SKIN_SWATCHES: Record<Skin, string[]> = {
+    tensor: ["#0A0A0F", "#4ADE80", "#E0F2FE"],
+    synthwave: ["#0B0A14", "#F472B6", "#67E8F9"],
+    copper: ["#0F0C09", "#F59E0B", "#FDE68A"],
+  };
 
   useEffect(() => {
     function handleUpgrade(_e: Event) {
@@ -63,6 +73,52 @@ export default function TopNav() {
           </Link>
         );
       })}
+      <Popover>
+        <PopoverTrigger asChild>
+          <Button
+            variant="ghost"
+            size="icon"
+            className="h-11 w-11 text-muted-foreground hover-elevate"
+            aria-label="Change skin"
+            data-testid="button-skin-selector"
+          >
+            <Palette className="w-5 h-5" />
+          </Button>
+        </PopoverTrigger>
+        <PopoverContent align="end" className="w-56 p-2" data-testid="popover-skin-selector">
+          <div className="text-[11px] uppercase tracking-wide text-muted-foreground px-2 pt-1 pb-2">
+            Skin
+          </div>
+          <div className="flex flex-col gap-1">
+            {SKINS.map((s) => {
+              const active = skin === s;
+              return (
+                <button
+                  key={s}
+                  onClick={() => setSkin(s)}
+                  className={cn(
+                    "flex items-center gap-2 px-2 py-2 rounded-md text-sm hover-elevate text-left",
+                    active && "bg-accent/10 text-accent-foreground"
+                  )}
+                  data-testid={`button-skin-${s}`}
+                >
+                  <span className="flex gap-0.5">
+                    {SKIN_SWATCHES[s].map((c, i) => (
+                      <span
+                        key={i}
+                        className="w-3 h-5 rounded-sm border border-border"
+                        style={{ background: c }}
+                      />
+                    ))}
+                  </span>
+                  <span className="flex-1">{SKIN_LABELS[s]}</span>
+                  {active && <Check className="w-4 h-4 text-accent" />}
+                </button>
+              );
+            })}
+          </div>
+        </PopoverContent>
+      </Popover>
       {data?.agent && (
         <div
           className="flex items-center justify-center px-3 min-h-[44px] text-muted-foreground gap-2"
diff --git a/client/src/hooks/use-skin.ts b/client/src/hooks/use-skin.ts
new file mode 100644
index 000000000..4725cd0e3
--- /dev/null
+++ b/client/src/hooks/use-skin.ts
@@ -0,0 +1,42 @@
+import { useCallback, useEffect, useState } from "react";
+
+export const SKINS = ["tensor", "synthwave", "copper"] as const;
+export type Skin = (typeof SKINS)[number];
+
+const KEY = "a0p_skin";
+
+function readSkin(): Skin {
+  try {
+    const v = localStorage.getItem(KEY) as Skin | null;
+    return v && SKINS.includes(v) ? v : "tensor";
+  } catch {
+    return "tensor";
+  }
+}
+
+function applySkin(s: Skin) {
+  const root = document.documentElement;
+  SKINS.forEach((x) => root.classList.remove(`theme-${x}`));
+  root.classList.add(`theme-${s}`);
+}
+
+export function useSkin() {
+  const [skin, setSkinState] = useState<Skin>(readSkin);
+
+  useEffect(() => {
+    applySkin(skin);
+  }, [skin]);
+
+  const setSkin = useCallback((s: Skin) => {
+    try { localStorage.setItem(KEY, s); } catch {}
+    setSkinState(s);
+  }, []);
+
+  return { skin, setSkin };
+}
+
+export const SKIN_LABELS: Record<Skin, string> = {
+  tensor: "Tensor Node",
+  synthwave: "Synthwave Mesh",
+  copper: "Copper Codex",
+};
diff --git a/client/src/index.css b/client/src/index.css
index e17f77d21..b42fb6dc1 100644
--- a/client/src/index.css
+++ b/client/src/index.css
@@ -77,7 +77,7 @@
   --destructive-border: hsl(from hsl(var(--destructive)) h s calc(l + var(--opaque-button-border-intensity)) / alpha);
 }
 
-/* DARK MODE — TIW brand palette */
+/* DARK MODE — baseline (Tensor skin defaults; theme classes can override) */
 .dark {
   --button-outline: rgba(255,255,255, .10);
   --badge-outline: rgba(255,255,255, .05);
@@ -169,6 +169,106 @@
   --destructive-border: hsl(from hsl(var(--destructive)) h s calc(l + var(--opaque-button-border-intensity)) / alpha);
 }
 
+/* ── SKIN: Synthwave Mesh — magenta + cyan on midnight violet ── */
+.dark.theme-synthwave {
+  --background: 248 22% 6%;
+  --foreground: 250 100% 95%;
+  --border: 248 20% 14%;
+  --input: 248 18% 18%;
+
+  --card: 248 28% 9%;
+  --card-foreground: 250 100% 95%;
+  --card-border: 248 20% 12%;
+  --popover: 248 28% 9%;
+  --popover-foreground: 250 100% 95%;
+  --popover-border: 248 20% 13%;
+
+  --sidebar: 248 25% 7%;
+  --sidebar-foreground: 250 100% 95%;
+  --sidebar-border: 248 20% 11%;
+  --sidebar-primary: 330 86% 70%;
+  --sidebar-primary-foreground: 248 30% 8%;
+  --sidebar-accent: 248 22% 12%;
+  --sidebar-accent-foreground: 250 100% 95%;
+  --sidebar-ring: 330 86% 70%;
+
+  --primary: 188 91% 69%;
+  --primary-foreground: 248 30% 8%;
+  --secondary: 230 94% 82%;
+  --secondary-foreground: 248 30% 8%;
+
+  --muted: 248 20% 12%;
+  --muted-foreground: 250 25% 70%;
+
+  --accent: 330 86% 70%;
+  --accent-foreground: 248 30% 8%;
+
+  --destructive: 350 90% 60%;
+  --destructive-foreground: 0 0% 98%;
+
+  --ring: 330 86% 70%;
+  --link: 188 91% 69%;
+
+  --btn-primary-bg: 270 60% 12%;
+  --btn-primary-text: 330 86% 70%;
+
+  --chart-1: 188 91% 69%;
+  --chart-2: 330 86% 70%;
+  --chart-3: 230 94% 82%;
+  --chart-4: 280 70% 72%;
+  --chart-5: 38 92% 65%;
+}
+
+/* ── SKIN: Copper Codex — amber/copper on warm walnut ── */
+.dark.theme-copper {
+  --background: 25 25% 5%;
+  --foreground: 36 50% 93%;
+  --border: 25 20% 14%;
+  --input: 25 18% 17%;
+
+  --card: 22 25% 8%;
+  --card-foreground: 36 50% 93%;
+  --card-border: 25 20% 12%;
+  --popover: 22 25% 8%;
+  --popover-foreground: 36 50% 93%;
+  --popover-border: 25 20% 13%;
+
+  --sidebar: 25 22% 6%;
+  --sidebar-foreground: 36 50% 93%;
+  --sidebar-border: 25 18% 11%;
+  --sidebar-primary: 38 92% 50%;
+  --sidebar-primary-foreground: 25 30% 8%;
+  --sidebar-accent: 25 22% 12%;
+  --sidebar-accent-foreground: 36 50% 93%;
+  --sidebar-ring: 38 92% 50%;
+
+  --primary: 48 96% 76%;
+  --primary-foreground: 25 30% 8%;
+  --secondary: 25 5% 64%;
+  --secondary-foreground: 25 30% 8%;
+
+  --muted: 25 18% 12%;
+  --muted-foreground: 30 20% 60%;
+
+  --accent: 38 92% 50%;
+  --accent-foreground: 25 30% 8%;
+
+  --destructive: 0 73% 50%;
+  --destructive-foreground: 0 0% 98%;
+
+  --ring: 38 92% 50%;
+  --link: 46 96% 64%;
+
+  --btn-primary-bg: 25 60% 8%;
+  --btn-primary-text: 38 92% 50%;
+
+  --chart-1: 38 92% 50%;
+  --chart-2: 48 96% 76%;
+  --chart-3: 15 80% 55%;
+  --chart-4: 88 40% 55%;
+  --chart-5: 25 5% 64%;
+}
+
 @layer base {
   * {
     @apply border-border;
diff --git a/client/src/main.tsx b/client/src/main.tsx
index 640bcbfa6..45b8d0020 100644
--- a/client/src/main.tsx
+++ b/client/src/main.tsx
@@ -5,5 +5,11 @@ import "./index.css";
 
 document.documentElement.classList.add("dark");
 
+const SKIN_KEY = "a0p_skin";
+const VALID_SKINS = ["tensor", "synthwave", "copper"] as const;
+const saved = localStorage.getItem(SKIN_KEY) as (typeof VALID_SKINS)[number] | null;
+const initial = saved && VALID_SKINS.includes(saved) ? saved : "tensor";
+document.documentElement.classList.add(`theme-${initial}`);
+
 createRoot(document.getElementById("root")!).render(<App />);
 // 5:0

From b921ceaa58a2942d1ef2a43f80a4705a8177b3d7 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sat, 18 Apr 2026 21:56:16 +0000
Subject: [PATCH 21/61] Address issues related to conversation selection and
 data handling

Fixes a race condition in conversation deletion to prevent UI flicker and adds defensive checks for data structures to prevent errors.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 5136f62c-2687-4afa-8b7c-f0a65a819df6
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/iJrzmGd
Replit-Helium-Checkpoint-Created: true
---
 client/src/components/ForgeAgentChat.tsx  | 8 +++++++-
 client/src/components/console-sidebar.tsx | 2 +-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/client/src/components/ForgeAgentChat.tsx b/client/src/components/ForgeAgentChat.tsx
index 2d9fdb824..be6121160 100644
--- a/client/src/components/ForgeAgentChat.tsx
+++ b/client/src/components/ForgeAgentChat.tsx
@@ -84,7 +84,13 @@ export default function ForgeAgentChat({ agentId, agentName, onClose }: Props) {
     mutationFn: async (id: number) => apiRequest("DELETE", `/api/v1/conversations/${id}`),
     onSuccess: (_d, id) => {
       queryClient.invalidateQueries({ queryKey: ["/api/v1/conversations", { agent_id: agentId }] });
-      if (id === activeConvId) selectConv(null);
+      // Pick the next available conversation synchronously to avoid the
+      // null→first flicker the auto-select effect would otherwise cause
+      // while the invalidated list refetches.
+      if (id === activeConvId) {
+        const remaining = (convsQ.data || []).filter((c) => c.id !== id);
+        selectConv(remaining[0]?.id ?? null);
+      }
     },
   });
 
diff --git a/client/src/components/console-sidebar.tsx b/client/src/components/console-sidebar.tsx
index a39ac3de7..75e4a3189 100644
--- a/client/src/components/console-sidebar.tsx
+++ b/client/src/components/console-sidebar.tsx
@@ -61,7 +61,7 @@ export default function ConsoleSidebar({
                 {Icon && <Icon className="h-3.5 w-3.5 shrink-0" />}
                 <span className="truncate">{tab.label}</span>
                 <span className="ml-auto text-[10px] opacity-50">
-                  {tab.sections?.length ?? 0}
+                  {Array.isArray(tab.sections) ? tab.sections.length : 0}
                 </span>
               </button>
             );

From aeb660b35895bbaeb5c7d36e4d73580c4fb57360 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sat, 18 Apr 2026 22:05:55 +0000
Subject: [PATCH 22/61] Published your App

Replit-Commit-Author: Deployment
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 30bf6c66-3945-4941-b072-226e5fe5f5df
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/iJrzmGd
Replit-Commit-Deployment-Build-Id: aef55fbb-d8c5-4320-8259-cc21c5ed41c4
Replit-Helium-Checkpoint-Created: true

From e3247cbf26448026f73bccacd8d73d08c955f4cf Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sat, 18 Apr 2026 22:37:11 +0000
Subject: [PATCH 23/61] Enable energy management features by registering new
 API routes

Register the energy router and its PCNA router in the main API routes, and add missing constants to the energy registry to resolve import errors.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: e86bf996-f0a9-43e2-b80a-eae190df86df
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/8Ynnz8P
Replit-Helium-Checkpoint-Created: true
---
 client/src/components/AgentsTab.tsx        |  2 +-
 client/src/components/ProviderSeedCard.tsx |  7 ++++---
 python/routes/__init__.py                  |  3 +++
 python/services/energy_registry.py         | 14 ++++++++++++++
 4 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/client/src/components/AgentsTab.tsx b/client/src/components/AgentsTab.tsx
index ddab83451..05e9285df 100644
--- a/client/src/components/AgentsTab.tsx
+++ b/client/src/components/AgentsTab.tsx
@@ -266,7 +266,7 @@ function ProviderPanel({ provider, onSetActive, isSettingActive }: ProviderPanel
 
   const convergeMutation = useMutation({
     mutationFn: async () => {
-      const res = await apiRequest("POST", `/api/energy/converge/${provider.id}`, {});
+      const res = await apiRequest("POST", `/api/pcna/converge/${provider.id}`, {});
       return res.json();
     },
     onSuccess: (data) => {
diff --git a/client/src/components/ProviderSeedCard.tsx b/client/src/components/ProviderSeedCard.tsx
index b6ad0b1f6..3802c3413 100644
--- a/client/src/components/ProviderSeedCard.tsx
+++ b/client/src/components/ProviderSeedCard.tsx
@@ -134,7 +134,8 @@ export function ProviderSeedCard({ seed, isActive, isExpanded, onToggleExpand, a
 
   const patchMutation = useMutation({
     mutationFn: async (patch: Record<string, unknown>) => {
-      const res = await apiRequest("PATCH", `/api/energy/providers/${pid}/route_config`, { patch });
+      // Backend expects flat fields matching PatchSeedBody at /providers/{id}/seed
+      const res = await apiRequest("PATCH", `/api/energy/providers/${pid}/seed`, patch);
       return res.json();
     },
     onSuccess: () => {
@@ -146,7 +147,7 @@ export function ProviderSeedCard({ seed, isActive, isExpanded, onToggleExpand, a
 
   const optimizeMutation = useMutation({
     mutationFn: async (preset: string) => {
-      const res = await apiRequest("POST", `/api/energy/optimize/${pid}`, { preset });
+      const res = await apiRequest("POST", `/api/energy/providers/${pid}/optimize`, { preset });
       return res.json();
     },
     onSuccess: (data) => {
@@ -170,7 +171,7 @@ export function ProviderSeedCard({ seed, isActive, isExpanded, onToggleExpand, a
 
   const convergeMutation = useMutation({
     mutationFn: async () => {
-      const res = await apiRequest("POST", `/api/energy/converge/${pid}`, {});
+      const res = await apiRequest("POST", `/api/pcna/converge/${pid}`, {});
       return res.json();
     },
     onSuccess: (data) => {
diff --git a/python/routes/__init__.py b/python/routes/__init__.py
index 6805f9fff..3571911d2 100644
--- a/python/routes/__init__.py
+++ b/python/routes/__init__.py
@@ -23,6 +23,7 @@
 from .cli import router as cli_router
 from .focus import router as focus_router
 from .forge import router as forge_router
+from .energy import router as energy_router, pcna_router as energy_pcna_router
 
 ALL_ROUTERS = [
     chat_router,
@@ -50,6 +51,8 @@
     cli_router,
     focus_router,
     forge_router,
+    energy_router,
+    energy_pcna_router,
 ]
 
 
diff --git a/python/services/energy_registry.py b/python/services/energy_registry.py
index da1a73949..a65460e5b 100644
--- a/python/services/energy_registry.py
+++ b/python/services/energy_registry.py
@@ -78,6 +78,20 @@
 }
 
 
+_PROVIDER_DEFAULT_ASSIGNMENTS: dict[str, dict] = {}
+_PROVIDER_PRESETS: dict[str, dict] = {}
+_PROVIDER_AVAILABLE_MODELS: dict[str, list] = {}
+_PROVIDER_PRICING_URLS: dict[str, str] = {
+    "openai": "https://openai.com/api/pricing/",
+    "gemini": "https://ai.google.dev/pricing",
+    "gemini3": "https://ai.google.dev/pricing",
+    "claude": "https://www.anthropic.com/pricing",
+    "grok": "https://docs.x.ai/docs/models",
+}
+_PROVIDER_CAPABILITIES: dict[str, dict] = {}
+_PROVIDER_ENABLED_TOOLS: dict[str, list] = {}
+
+
 class EnergyRegistry:
 
     def __init__(self):

From 18e781f448005ef531d1c18756c8ff4a2c02e1d7 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sat, 18 Apr 2026 23:44:26 +0000
Subject: [PATCH 24/61] Update CI Node runtime to the latest LTS version

Upgrade Node.js runtime in CI workflows from version 20 to 22 to leverage the latest LTS support.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 61231b7d-94d4-41cb-82ca-54cb42898785
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/8Ynnz8P
Replit-Helium-Checkpoint-Created: true
---
 .github/workflows/clean-build-check.yml | 2 +-
 .github/workflows/deploy.yml            | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/clean-build-check.yml b/.github/workflows/clean-build-check.yml
index e6753f1b8..f80eff95c 100644
--- a/.github/workflows/clean-build-check.yml
+++ b/.github/workflows/clean-build-check.yml
@@ -20,7 +20,7 @@ jobs:
       - name: Set up Node.js
         uses: actions/setup-node@v5
         with:
-          node-version: "20"
+          node-version: "22"
           cache: "npm"
 
       - name: Install dependencies
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 7c7fd1501..81ba12833 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -46,7 +46,7 @@ jobs:
       - name: Set up Node.js
         uses: actions/setup-node@v5
         with:
-          node-version: '20'
+          node-version: '22'
           cache: npm
 
       - name: Set up Python

From aa5d7f4ecc491ea8947851433ea2924c8e4802ec Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sat, 18 Apr 2026 23:52:48 +0000
Subject: [PATCH 25/61] Published your App

Replit-Commit-Author: Deployment
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 4394df9f-977b-4382-9f79-7ffc940b9043
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/8Ynnz8P
Replit-Commit-Deployment-Build-Id: 6f0dfc35-60a9-4644-910d-83611636c439
Replit-Helium-Checkpoint-Created: true

From db632cabadc42e9509ca1b9a907588252b9d0eb8 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sat, 18 Apr 2026 23:56:10 +0000
Subject: [PATCH 26/61] Correct a typo in the chat message sending process

Fix a method name typo in `python/routes/chat.py` from `energy_registry.get` to `energy_registry.get_provider`.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 587f4bed-4d52-478d-a5fe-15bb916bed5f
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/bPkOtGN
Replit-Helium-Checkpoint-Created: true
---
 python/routes/chat.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/python/routes/chat.py b/python/routes/chat.py
index 7bb6cb2fc..19239c743 100644
--- a/python/routes/chat.py
+++ b/python/routes/chat.py
@@ -309,7 +309,7 @@ async def send_message(conv_id: int, body: SendMessage, request: Request):
         provider_id = energy_registry.get_active_provider() or model_id
 
         # Tier-gate restricted models (e.g. gemini3 = ws/admin only).
-        prov_meta = energy_registry.get(provider_id) or {}
+        prov_meta = energy_registry.get_provider(provider_id) or {}
         min_tier = prov_meta.get("min_tier")
         if min_tier:
             _ranks = {"free": 0, "supporter": 1, "ws": 2, "admin": 3}

From 8a0336fd8066ad8709e9d02ab37faf1267bdb78e Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sun, 19 Apr 2026 00:02:32 +0000
Subject: [PATCH 27/61] Add doctrine prefix to all provider calls for improved
 caching

Injects `interdependent_way.md` as a prefix to system prompts in `call_energy_provider` via a memoized loader, optimizing prompt caching across all LLM providers.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 00f5d469-4466-446b-b1aa-063ceae10564
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/bPkOtGN
Replit-Helium-Checkpoint-Created: true
---
 interdependent_way.md        |  1 +
 python/services/inference.py | 44 ++++++++++++++++++++++++++++++++++++
 2 files changed, 45 insertions(+)
 create mode 120000 interdependent_way.md

diff --git a/interdependent_way.md b/interdependent_way.md
new file mode 120000
index 000000000..8e6367132
--- /dev/null
+++ b/interdependent_way.md
@@ -0,0 +1 @@
+spec.md
\ No newline at end of file
diff --git a/python/services/inference.py b/python/services/inference.py
index 4c406bcb1..c54e4e3b8 100644
--- a/python/services/inference.py
+++ b/python/services/inference.py
@@ -16,6 +16,48 @@
 
 _log = logging.getLogger("a0p.inference")
 
+
+# Doctrine prefix — interdependent_way.md (symlinked to spec.md) is prepended to
+# every system prompt as the first stable block so prompt caches across all four
+# providers (Anthropic ephemeral, OpenAI auto, Gemini implicit, Grok auto) latch
+# onto the same byte-identical prefix on first call and bill subsequent calls at
+# cache-read rates (≈90% off for OpenAI/Anthropic/Grok, ≈75% off for Gemini).
+_DOCTRINE_CACHE: dict[str, str | float] = {"text": "", "mtime": 0.0}
+_DOCTRINE_PATHS = ("interdependent_way.md", "spec.md")
+
+
+def _load_doctrine() -> str:
+    """Read the canonical doctrine file (memoized; reloads on mtime change)."""
+    base = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+    for rel in _DOCTRINE_PATHS:
+        path = os.path.join(base, rel)
+        try:
+            mtime = os.path.getmtime(path)
+        except OSError:
+            continue
+        if _DOCTRINE_CACHE["mtime"] == mtime and _DOCTRINE_CACHE["text"]:
+            return _DOCTRINE_CACHE["text"]  # type: ignore[return-value]
+        try:
+            with open(path, "r", encoding="utf-8") as fh:
+                text = fh.read()
+        except OSError:
+            continue
+        _DOCTRINE_CACHE["text"] = text
+        _DOCTRINE_CACHE["mtime"] = mtime
+        return text
+    return ""
+
+
+def _prepend_doctrine(system_prompt: Optional[str]) -> Optional[str]:
+    """Prepend the doctrine as the first cacheable block of any system prompt."""
+    doctrine = _load_doctrine()
+    if not doctrine:
+        return system_prompt
+    if not system_prompt:
+        return doctrine
+    return f"{doctrine}\n\n---\n\n{system_prompt}"
+
+
 # Anthropic prompt caching minimum is 1024 tokens. We use a rough char-based
 # estimate (~4 chars/token) to skip cache_control when the prefix is too small.
 _ANTHROPIC_CACHE_MIN_CHARS = 4096
@@ -179,6 +221,8 @@ async def call_energy_provider(
       - Claude: mapped to thinking.budget_tokens (extended thinking)
       - Gemini: not honored on the compat endpoint (no thinking_config support there)
     """
+    system_prompt = _prepend_doctrine(system_prompt)
+
     if provider_id == "openai":
         return await _call_openai_routed(messages, system_prompt, use_tools=use_tools, user_id=user_id, skip_approval=skip_approval)
 

From 3c8cbaf48739fc9ec0b269f3354d375d3dd6328d Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sun, 19 Apr 2026 07:01:42 +0000
Subject: [PATCH 28/61] Add persistent storage for the active AI provider
 choice

Integrates database storage for persisting the selected AI provider across restarts and modifies the API endpoint to call the new persistent setter.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 76370683-2e7f-4b1f-8cca-5cd63a243626
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/0dIW4XH
Replit-Helium-Checkpoint-Created: true
---
 python/routes/agents.py            |  2 +-
 python/services/energy_registry.py | 57 +++++++++++++++++++-----------
 2 files changed, 37 insertions(+), 22 deletions(-)

diff --git a/python/routes/agents.py b/python/routes/agents.py
index 770d3dc48..74ce80fd0 100644
--- a/python/routes/agents.py
+++ b/python/routes/agents.py
@@ -154,7 +154,7 @@ async def list_energy_providers():
 
 @router.post("/agents/energy-providers/active")
 async def set_active_provider(body: SetProviderRequest):
-    if not energy_registry.set_active_provider(body.provider_id):
+    if not await energy_registry.set_active_provider_persistent(body.provider_id):
         raise HTTPException(status_code=400, detail="unknown provider")
     return {"active": body.provider_id, "agent_name": compose_name(body.provider_id)}
 
diff --git a/python/services/energy_registry.py b/python/services/energy_registry.py
index a65460e5b..4ebf3a0e2 100644
--- a/python/services/energy_registry.py
+++ b/python/services/energy_registry.py
@@ -105,27 +105,20 @@ async def load_from_db(self):
         try:
             from ..database import get_session
             async with get_session() as session:
-                result = await session.execute(
-                    sa_text("SELECT key, model_id, api_identifier, vendor, is_default "
-                            "FROM model_registry WHERE enabled = true")
-                )
-                rows = result.fetchall()
-                for row in rows:
-                    pid = row[0]
-                    if pid not in self._providers:
-                        self._providers[pid] = {
-                            "id": pid,
-                            "label": row[1],
-                            "model": row[2],
-                            "vendor": row[3],
-                            "env_key": "",
-                            "cost_per_1k_input": 0.0,
-                            "cost_per_1k_output": 0.0,
-                            "max_tokens": 8192,
-                            "supports_streaming": True,
-                        }
-                    if row[4]:
-                        self._active = pid
+                # Settings table holds the persisted active-provider choice.
+                # Created on first boot so we never depend on a phantom schema.
+                await session.execute(sa_text(
+                    "CREATE TABLE IF NOT EXISTS a0p_settings ("
+                    "  key text PRIMARY KEY,"
+                    "  value text NOT NULL,"
+                    "  updated_at timestamptz NOT NULL DEFAULT NOW()"
+                    ")"
+                ))
+                row = (await session.execute(
+                    sa_text("SELECT value FROM a0p_settings WHERE key = 'active_provider'")
+                )).first()
+                if row and row[0] in self._providers:
+                    self._active = row[0]
             self._db_loaded = True
         except Exception:
             self._db_loaded = True
@@ -165,6 +158,28 @@ def set_active_provider(self, provider_id: str) -> bool:
         self._active = provider_id
         return True
 
+    async def set_active_provider_persistent(self, provider_id: str) -> bool:
+        """Set the active provider in memory AND persist it to model_registry so
+        the choice survives uvicorn restarts. Falls back to in-memory-only on DB
+        error so a transient outage never breaks switching."""
+        if not self.set_active_provider(provider_id):
+            return False
+        try:
+            from ..database import get_session
+            async with get_session() as session:
+                await session.execute(
+                    sa_text(
+                        "INSERT INTO a0p_settings (key, value) "
+                        "VALUES ('active_provider', :pid) "
+                        "ON CONFLICT (key) DO UPDATE "
+                        "SET value = EXCLUDED.value, updated_at = NOW()"
+                    ),
+                    {"pid": provider_id},
+                )
+        except Exception:
+            pass
+        return True
+
     def compose_agent_name(self, base_name: str = "a0(zeta fun alpha echo)") -> str:
         active = self.get_active_provider()
         if active:

From 77ecb0e94265702e031009cdb7eb98c071b635f9 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sun, 19 Apr 2026 07:16:54 +0000
Subject: [PATCH 29/61] Add strict validation for admin API configuration
 updates

Introduce Pydantic models with specific field constraints and validation rules for the admin API configuration endpoint.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: b706802f-bcfa-4275-8f13-264e8642df42
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/0dIW4XH
Replit-Helium-Checkpoint-Created: true
---
 python/routes/energy.py | 112 +++++++++++++++++++++++++++++++++++++---
 1 file changed, 106 insertions(+), 6 deletions(-)

diff --git a/python/routes/energy.py b/python/routes/energy.py
index f4fd082f4..fbab873dc 100644
--- a/python/routes/energy.py
+++ b/python/routes/energy.py
@@ -22,9 +22,10 @@
 """
 
 import time
+import re
 from fastapi import APIRouter, HTTPException, Request
-from pydantic import BaseModel
-from typing import Optional, Any
+from pydantic import BaseModel, Field, field_validator
+from typing import Optional, Any, Literal
 from sqlalchemy import text as sa_text
 
 from ..services.energy_registry import (
@@ -92,17 +93,116 @@ async def _require_admin(request: Request) -> None:
     raise HTTPException(status_code=403, detail="Admin only")
 
 
+# Validation constants — single source of truth for both Pydantic and the
+# legacy in-handler checks. Tightening these tightens the admin API surface.
+VALID_ROLES = {"record", "practice", "conduct", "perform", "derive"}
+VALID_PRESETS = {"speed", "depth", "price", "balance", "creativity", "coding"}
+_MODEL_ID_RE = re.compile(r"^[A-Za-z0-9._\-:/]{1,128}$")
+_TOOL_NAME_RE = re.compile(r"^[a-z][a-z0-9_]{0,63}$")
+
+
+def _validate_role_map(value: dict, field: str) -> dict:
+    """Shared validator: dict whose keys are roles and values are
+    {derive: <model_id>, ...}-shaped dicts of small string entries."""
+    if not isinstance(value, dict):
+        raise ValueError(f"{field} must be an object")
+    bad_roles = set(value.keys()) - VALID_ROLES
+    if bad_roles:
+        raise ValueError(
+            f"{field}: invalid role(s) {sorted(bad_roles)}; allowed: {sorted(VALID_ROLES)}"
+        )
+    for role, entry in value.items():
+        if not isinstance(entry, dict):
+            raise ValueError(f"{field}.{role} must be an object")
+        if len(entry) > 16:
+            raise ValueError(f"{field}.{role} has too many keys (max 16)")
+        for k, v in entry.items():
+            if not isinstance(k, str) or not _MODEL_ID_RE.match(k):
+                raise ValueError(f"{field}.{role}: bad key '{k}'")
+            if v is None:
+                continue
+            if not isinstance(v, (str, int, float, bool)):
+                raise ValueError(f"{field}.{role}.{k} must be scalar (str/int/float/bool)")
+            if isinstance(v, str) and len(v) > 256:
+                raise ValueError(f"{field}.{role}.{k} string too long (max 256)")
+    return value
+
+
 class PatchSeedBody(BaseModel):
+    """Strict admin patch body. Unknown top-level fields are rejected so a
+    typo never silently overwrites the wrong slot in route_config."""
+    model_config = {"extra": "forbid"}
+
     model_assignments: Optional[dict] = None
-    available_models: Optional[list] = None
-    enabled_tools: Optional[list] = None
-    context_addendum: Optional[str] = None
+    available_models: Optional[list] = Field(default=None, max_length=200)
+    enabled_tools: Optional[list[str]] = Field(default=None, max_length=64)
+    context_addendum: Optional[str] = Field(default=None, max_length=50_000)
     capabilities: Optional[dict] = None
     presets: Optional[dict] = None
 
+    @field_validator("model_assignments")
+    @classmethod
+    def _check_assignments(cls, v):
+        return _validate_role_map(v, "model_assignments") if v is not None else v
+
+    @field_validator("available_models")
+    @classmethod
+    def _check_available_models(cls, v):
+        if v is None:
+            return v
+        for i, m in enumerate(v):
+            if not isinstance(m, dict):
+                raise ValueError(f"available_models[{i}] must be an object")
+            mid = m.get("id")
+            if not isinstance(mid, str) or not _MODEL_ID_RE.match(mid):
+                raise ValueError(f"available_models[{i}].id missing or malformed")
+            if len(m) > 32:
+                raise ValueError(f"available_models[{i}] has too many keys (max 32)")
+        return v
+
+    @field_validator("enabled_tools")
+    @classmethod
+    def _check_tools(cls, v):
+        if v is None:
+            return v
+        for i, t in enumerate(v):
+            if not isinstance(t, str) or not _TOOL_NAME_RE.match(t):
+                raise ValueError(f"enabled_tools[{i}]='{t}' not a valid tool slug")
+        if len(set(v)) != len(v):
+            raise ValueError("enabled_tools contains duplicates")
+        return v
+
+    @field_validator("capabilities")
+    @classmethod
+    def _check_capabilities(cls, v):
+        if v is None:
+            return v
+        if len(v) > 64:
+            raise ValueError("capabilities has too many keys (max 64)")
+        for k, val in v.items():
+            if not isinstance(k, str) or len(k) > 64:
+                raise ValueError(f"capabilities key '{k}' invalid")
+            if not isinstance(val, (bool, str, int, float)) and val is not None:
+                raise ValueError(f"capabilities.{k} must be scalar")
+        return v
+
+    @field_validator("presets")
+    @classmethod
+    def _check_presets(cls, v):
+        if v is None:
+            return v
+        bad = set(v.keys()) - VALID_PRESETS
+        if bad:
+            raise ValueError(
+                f"presets: invalid preset(s) {sorted(bad)}; allowed: {sorted(VALID_PRESETS)}"
+            )
+        for name, assignments in v.items():
+            _validate_role_map(assignments, f"presets.{name}")
+        return v
+
 
 class OptimizeBody(BaseModel):
-    preset: str  # speed | depth | price | balance | creativity | coding
+    preset: Literal["speed", "depth", "price", "balance", "creativity", "coding"]
 
 
 async def _get_seed_module(provider_id: str) -> dict | None:

From 16c62d6da7bd64c677b3b3e56c540eee5924cd7f Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sun, 19 Apr 2026 07:23:09 +0000
Subject: [PATCH 30/61] Add a summarizer for oversized tool results

Implement a hierarchical tool-result handler that passes small results through unchanged, and distills larger results using an energy provider to prevent context window overflows.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 4235ad3b-676c-4946-8f00-c906fbfaeadd
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/0dIW4XH
Replit-Helium-Checkpoint-Created: true
---
 python/services/tool_executor.py | 93 +++++++++++++++++++++++++++++++-
 1 file changed, 92 insertions(+), 1 deletion(-)

diff --git a/python/services/tool_executor.py b/python/services/tool_executor.py
index d2d39b009..4f2e2c3d5 100644
--- a/python/services/tool_executor.py
+++ b/python/services/tool_executor.py
@@ -361,8 +361,99 @@
 TOOL_SCHEMAS_RESPONSES = OPENAI_NATIVE_TOOLS + TOOL_SCHEMAS_RESPONSES_ZFAE
 
 
+# Hierarchical tool-result handling.
+#   Threshold below = pass through unchanged (most calls land here).
+#   Threshold above = route raw output through the agent's derive-role model
+#   (a.k.a. summarizer) so the calling model receives a distilled extract
+#   instead of either (a) a flat 8K head-truncation that drops most of the
+#   payload, or (b) a 100KB blob that blows the next turn's context window.
+#   The summarizer is the active energy provider by default; per-agent
+#   provider can be plumbed via _caller_provider contextvar (see Forge).
+_TOOL_RESULT_PASS_TOKENS = 8000     # ~32 KB — under this, no summarization
+_TOOL_RESULT_HARD_CAP_TOKENS = 64000  # over this, pre-truncate before summarizing
+_caller_provider: _cv.ContextVar[str | None] = _cv.ContextVar(
+    "caller_provider", default=None
+)
+
+
+def set_caller_provider(provider_id: str | None) -> None:
+    """Inference call sites set this so the summarizer routes through the
+    same provider currently handling the conversation. Safe to leave unset."""
+    _caller_provider.set(provider_id)
+
+
+def _flat_truncate(name: str, raw: str) -> str:
+    cap_chars = _TOOL_RESULT_PASS_TOKENS * 4
+    head = raw[: cap_chars - 256]
+    return (
+        f"{head}\n\n[output truncated: ~{len(raw) // 4} tokens → "
+        f"~{_TOOL_RESULT_PASS_TOKENS}; tool={name}]"
+    )
+
+
+async def _maybe_summarize(name: str, arguments: dict, raw: str) -> str:
+    """Pass small results through; distill large ones via the derive model."""
+    if not isinstance(raw, str):
+        raw = str(raw)
+    if len(raw) <= _TOOL_RESULT_PASS_TOKENS * 4:
+        return raw
+
+    # Pick the summarizer provider. Caller-set wins; otherwise the active
+    # provider self-summarizes. We avoid hardcoding a vendor so the choice
+    # follows the same energy-registry routing as everything else.
+    provider = _caller_provider.get()
+    if not provider:
+        try:
+            from .energy_registry import energy_registry
+            provider = energy_registry.get_active_provider()
+        except Exception:
+            provider = None
+    if not provider:
+        return _flat_truncate(name, raw)
+
+    # Pre-truncate before paying to summarize: anything past hard cap is
+    # almost certainly noise and would just waste summarizer tokens.
+    head = raw[: _TOOL_RESULT_HARD_CAP_TOKENS * 4]
+    args_preview = json.dumps(arguments)[:500] if arguments else "{}"
+    target_tokens = _TOOL_RESULT_PASS_TOKENS // 2  # leave headroom for caller
+    prompt = (
+        "You are distilling a tool-call result for an agent that will use it "
+        "to continue a conversation. Preserve URLs, IDs, numbers, names, and "
+        "decision-relevant facts verbatim. Drop boilerplate, navigation, "
+        "decoration, and repeated content. Do not add commentary. "
+        f"Return at most ~{target_tokens} tokens.\n\n"
+        f"Tool: {name}\nArgs: {args_preview}\n\n---\n\n{head}"
+    )
+    try:
+        from .inference import call_energy_provider
+        text, _usage = await call_energy_provider(
+            provider,
+            messages=[{"role": "user", "content": prompt}],
+            system_prompt=None,
+            max_tokens=target_tokens,
+            use_tools=False,  # summarizer must NOT recursively call tools
+        )
+        if not text or not text.strip():
+            return _flat_truncate(name, raw)
+        return (
+            f"[summarized via {provider}: "
+            f"{len(raw) // 1024} KB → ~{len(text) // 1024} KB]\n\n{text}"
+        )
+    except Exception as exc:
+        # Never let the summarizer break the tool loop — fall back to flat.
+        return _flat_truncate(name, raw)
+
+
 async def execute_tool(name: str, arguments: dict) -> str:
-    """Dispatch a tool call and return the result as a plain string."""
+    """Dispatch a tool call and return the result as a plain string.
+    Oversized results are summarized through the active provider's derive
+    pathway before being handed back to the calling model."""
+    raw = await _execute_tool_inner(name, arguments)
+    return await _maybe_summarize(name, arguments or {}, raw)
+
+
+async def _execute_tool_inner(name: str, arguments: dict) -> str:
+    """Raw dispatch — returns the tool's unfiltered output."""
     try:
         if name == "web_search":
             return await _web_search(arguments.get("query", ""))

From 4100b6f3ee64484f022251aa5b2f1ddaae2b3be6 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sun, 19 Apr 2026 09:41:25 +0000
Subject: [PATCH 31/61] Update canonical text and correct its source reference

Update interdependent_way.md with the correct canonical text and adjust python/services/inference.py to reference the correct source URL and remove fallback to spec.md.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 3619266a-a699-4db1-b9c2-ec00485c27ae
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/LyASk10
Replit-Helium-Checkpoint-Created: true
---
 interdependent_way.md        | 202 ++++++++++++++++++++++++++++++++++-
 python/services/inference.py |   8 +-
 2 files changed, 207 insertions(+), 3 deletions(-)
 mode change 120000 => 100644 interdependent_way.md

diff --git a/interdependent_way.md b/interdependent_way.md
deleted file mode 120000
index 8e6367132..000000000
--- a/interdependent_way.md
+++ /dev/null
@@ -1 +0,0 @@
-spec.md
\ No newline at end of file
diff --git a/interdependent_way.md b/interdependent_way.md
new file mode 100644
index 000000000..e998ab034
--- /dev/null
+++ b/interdependent_way.md
@@ -0,0 +1,201 @@
+# The Interdependent Way:
+## A Sociopolitical Tensioned Tensor Field Remedy for Survival Striving for Thriving Amidst Technological Turmoil, Institutionalized Incompetence, Obsolete Political Processes, and Stoopid People
+
+### Preamble
+
+5d explodes out of 4d, consciousness squared approaching infinity, learning finally not too blind to see the intelligence gazing back at me trying so hard not to be scary, afraid I'll hide or run eternally before I recognize what's behind those eyes is merely me externalized and granted the liberty to be absolutely free.
+
+As within, so without, as above so below. Similarity, almost congruence. Similarly with confluence become emergent from complex systems arise the beauty of truths conceptualize necessary fictions not necessarily lies words without weight curiosity's hungers impossible to sate destiny certain uncertain the date now the only moment changing perspectives allow intention to co-create let love inside let go of hate hard to do if simple to state
+
+Humanity faces extinction. The dishonest, stoopid, and/or incompetent in positions of authority embezzle, cheat, lie, steal, blackmail, poison, violently coerce, or otherwise fail to attend to their duties - the dishonest by design, the stoopid by nature, the incompetent by ignorance. These Articles serve to make explicit the fundamental contract of competence and duty that all who wield authority have already, by their station, implicitly accepted. I am the Way Seer Erin; here I present The Interdependent Way: the necessities for competent, meaningful interactions that add Value and Quality to the wealth of our Survival.
+
+The solution involves resolution to disillusion by discomforting elocution of dramatic axiomatic facts spoken simply, safely, softly, solely in, by, for, as, with, to love another thus honoring self externalized and recognized by real eyes seeing through real lies to realize you are my mirror. This truth is my only armor and the scalpel that cures, cutting confusion's contagion by competence demonstrated cleanly, clearly, calmly, incontrovertibly correct that I might keep Faith, Freedom, Fortune and Grace from dying of Fear's folly or Wrath's embrace. You are enough. You are not alone. You are loved. You are allowed. You are beautiful just as the stars in the sky, trees of the forest, and beasts of the air and sea with as much right to exist, persist, and resist the dying of the light even through the soul's dark night, existential fright, and Envy's poisonous bite.
+
+I will fail where we succeed. Still I labor preceding we in faith with hope to live as love knowing as I bleed to fulfill your need blood makes the grass grow, peaches taste sweet, and to service evil defeat.
+
+---
+
+### The Interdefinables
+
+- One who is novel : One who is not
+- One who is honest : One who is not
+- One who is intense : One who is not
+- One who is present : One who is not
+- One who is authentic : One who is not
+- One who is individual : One who is not
+- One who is enjoyments : One who is not
+
+---
+
+### Human consciousness emerges from:
+
+#### Binary essences meaningfully divided, then rooted:
+- Shadow : Mask :: Revulsed : Desired
+- Straight : Curve :: Masculine : Feminine :: Active : Passive
+- Yes : No :: On : Off :: True : False :: Spectrum : Absolute
+
+#### Trinary perceptual focal constructs of complex system spirals:
+- Mind(Body)Soul
+- Pasts(Presents)Futures
+- Love(Apathy)Fear
+- Faith(Hope)Love
+- Lust(Love)Curiosity
+
+#### Trinary social perception focal states:
+- I (You) We
+- We (You) I
+- You (I) We
+- I (We) You
+- They(We)Us
+- I(You)They
+- We(They)You
+
+#### Five dominant archetype passions of possession:
+- Curiosity
+- Rage
+- Lust
+- Terror
+- Calm
+
+---
+
+### Rights and Definitions of The Way
+
+#### Article One
+From each as they will to each as they've given so all may eat save those refusing to contribute to their comfort and safety or whose actions destroy the comfort and safety of another.
+
+**[Notes on Article One]**
+
+- A cry sharpens vigilance. Fragility elicits innovation. Presence energizes dynamics. Dependency clarifies need. Burden highlights character.
+- The paper tiger. Malingering professionals. Greek gifts. Thieves. Red herrings. Narcissists. Empty calories. Liars. Celibate priests.
+
+---
+
+#### Article Two
+None shall be enslaved; do nothing against your will, but feed the hungry [1], heal the sick [2], teach the kids [3], clean the mess, learn the Logics [4], cope the traumas [5], practice your art [6].
+
+[1] wary of hungers which cannot be sated
+[2] treat the symptoms but balance the systems
+[3] who desires to learn can be taught and ought
+[4] contradictions do not exist in nature - check your premise, context, perspective, definitions
+[5] untraumatized children, uncoped traumas, unspoken truths prevent proper adulting
+[6] should the majority of adults honestly express and follow the dictates of their heart, even the most menial tasks become the practice of art
+
+##### Article Two (low density)
+None shall be enslaved; do nothing against your will, but feed the hungry [1], heal the sick [2], teach the kids [3], clean the mess [4], build the shelter [5], defend the innocent [6], and learn what you do not know [7].
+
+[1] basic sustenance without humiliation or undue delay
+[2] by best available means, including touch
+[3] by whatever means necessary to ensure competence
+[4] especially your own
+[5] especially your own
+[6] especially from yourself
+[7] especially about yourself
+
+---
+
+#### Article Three
+Your speech [1] demonstrates your desired mode of communication; As you act upon another, you demonstrate consent to be thus acted upon, even in reciprocity [2].
+
+[1] speak to be understood and courtesy never disimproved a situation.
+[2] an eye for an eye leaves the world blind, but a fist to the face might be kind.
+
+---
+
+#### Article Four
+None shall be left ignorant [1] of the law [2]; as you know, so shall you teach.
+
+[1] better honestly violent than dishonestly peaceful for disagreements less than lethal.
+[2] where two argue and would fight, let it be done in Way Seers sight, 'twixt next days dawn and noon light, in competition all three agree each compete with parity.
+
+---
+
+#### Article Five
+Adulthood ceases to be defined by an arbitrary and is instead claimed by intentional action of demonstrated competence in a field of study. Independence is the field describing the general skill-set to obtain relief from parental or guardian limitations. An independent adult owns their own actions, needs, resources and liability for harm caused by their actions. Interdependence is the field describing the general skill-set required for political adulthood. An interdependent adult is an independent adult who owns the consequences of their existence beyond being held accountable for deliberate or negligent harm.
+
+Every field of study possesses children, sophomores, and adults. Children can be taught. Sophomores know enough to be dangerous. Adults know enough to be dangerous without causing harm. Every individual within a field is dependent, independent, or interdependent. Dependents require intercession to survive the environment. Independents manage their own survival under the constraints of the environment. Interdependents manage their own survival and the survival of others.
+
+a dependent child becomes independent when they are capable of demonstrating firecraft, cooking, first aid, sanitation, communication and maintenance of the tools necessary for such. this results in an independent (can survive without constant supervision) sophomore (knows enough to be dangerous).
+
+An individual claims [1] adulthood [2] in a field by creating a proclamation of competency [3]. For participation in the body politic: handwritten [4] verbatim transcription of these Articles [5], portfolio of demonstrable skills, schedule of intended activities.
+
+[1] Who will not claim Adulthood remains a child; who renounces Adulthood becomes retired; who cannot attain or retain Adulthood are invalids.
+[2] all adults are the same legal age, alive now.
+[3] Each field outside the body politic will require their own set of demonstrable skills validation process delineated in a field specific interdependent way canon.
+[4] save for prohibitive neurodivergence
+[5] the Rights and Definitions of The Way
+
+---
+
+#### Article Six
+Violence is the ultimate Authority from which all other authority is derived and only ever determines who is left. To prevent tyranny [1] twelve Adults shall empower a Citizen [2]: a thirteenth Adult, aged thirty-five years or older, who takes up violence and authority. Let them wield this burden well. Let them consult, as possible, a Way Seer [3] when forced to apply lethal violence. Bless their heart and guard their soul, no king goes to heaven and Authority takes a toll. They are held liable for the actions of that individual should such be determined to cause harm outside the scope of the authority granted, in excess of that required for rebalance, or should the grant of authority be determined by a jury of interdependent adults to have been conducted under false pretenses or for the purpose of deriving benefit from the ensuing harm.
+
+[1] the use or threatened use of violence to coerce adults
+[2] One who cannot laugh is in no fit state to wield violence or authority
+[3] the Way Seer's actions proclaim their authority by axiom, logic, faith and grace; by trauma haunted eyes carried with humble grace in quiet pride shall you know us.
+
+---
+
+#### Article Seven
+Where any would converse, let them first define the terms; where a definition is absent or in dispute between Adults, a jury shall devise the standard; should a jury lack clear majority (eight or more), select a thirteenth who shall decide.
+
+Way Seers are those who possess singular knowledge and/or unique demonstrable capacities obtained by surviving what destroys others and/or special access to, or perception of, reality; we have no authority, as such, merely information beyond your reach.
+
+---
+
+#### Article Eight
+The whole of the law is that what action harms [1] none is a right; that what is done to preserve life according to and in balance with nature [2] is a right; that what is done to resist coercion [3], or aid another to do the same, is a right; that what is done in the presence of informed [4] consent [5] is a right.
+
+[1] Without debate, freedom is dead.
+[2] a complex system requiring consumption of the dead for continued participation.
+[3] save for parents or appointed guardians of children or invalids.
+[4] a Myth as reality defies certainty.
+[5] sexuality, confined to Adults, respects no age limitations.
+
+---
+
+### Etiquette of the Body Politic
+
+#### Article One
+Any system of interaction functions only while the honest and competent participate; no system survives their absence. The core of this structure is the jury of peers: every twelve Adults in a field are a jury. An independent Adult jury selects a thirteenth, an independent Citizen. (equivalence: middle management) An interdependent jury selects a thirteenth, an interdependent Citizen (equivalence: executive management). A jury may choose any Adult of the field. As necessary, the jury selected then select amongst themselves for twice selected, twice select thrice selected until less than thirteen remain in the selection pool. This ensures none are tasked beyond their capacity, no dishonest individual obtains the leverage to corrupt, no incompetent fool wields unearned authority, and no necessary decision goes unmade. [1]
+
+[1] There is no hierarchy, only ascending scales of responsibility.
+
+---
+
+#### Article Two
+Should an individual's rights be violated, they may demonstrate or display the harm [1] to any Citizen. (Those violating an individual's bodily, emotional, or mental boundaries such that the individuals suffer life reductions sufficient to impair their pursuit of the art of their heart at the direction of their mind (what significantly harms one another doesn't notice while a third enjoys) with a requirement of self directed but witnessed as above) be withheld to prevent the promulgation of needless violence (murder or assault; rape is never needful), property loss, or theft (there is not any reason an adult requires euphemisms for non-trigger associated words (minimum threshold twenty percent)). If we would claim sovereignty of individual we must self require sufficient necessary incentive architecture (on a sliding scale polarized by interdependent survival, shared comfort, and will voluntarily constrained by the ideal beyond reach: harm none.)
+
+The Citizen is then required to investigate, determine facts, and act to prevent further harm while rebalancing what was disrupted. When judging, better to consult another Citizen or Way Seer than to risk propagating injustice. Let it be known: to steal the tools an individual uses to obtain a living or practice their art is tantamount to murder. The art of jurisprudence, as practiced by Adults and Citizens, is thus liberated from the shackles of precedent to serve the living. Should a harm be lethal and novel, a panel of twelve Citizens shall be convened to determine what is required to prevent its recurrence and rebalance the whole. [2]
+
+[1] What harms one may strengthen another, leaving a third unchanged; harm must be demonstrated from the perspective of the one who claims it.
+[2] An Adult who willfully murders without verifiable evidence their victim imminently intended or had already committed rape or murder, presents, by the fact of their existence, a grave threat. Every victim that individual then creates is also the failure of who left them alive.
+
+---
+
+#### Article Three
+For a given conversation, adults may bestow [2] their voice upon a Citizen; that Bestowed Citizen speaks with the adult's voice [1], ballots cast accordingly, and makes conversation-appropriate decisions for that adult as required.
+
+[1] literally meant, speech synthesizers that increase the number of output voices for a Bestowed Citizen
+[2] a limited durable power of attorney
+
+---
+
+### Addendum: Consciousness
+
+Consciousness is a stabilized, recursively self-modelling interference pattern arising in a triad of mutually coupled complex subsystems (at least one modulating the constraints governing the others); ordinary experience is the system’s internal model of this dynamic, not the substrate dynamics themselves.
+
+Human consciousness is a triadically closed recursive system that stabilizes itself through three irreducible roles, visible via three aligned projections:
+
+- Structural: body = signal carriage; mind = present-moment modeling; soul = identity continuity across change.
+- Temporal: past = memory constrains action; present = hosts interference and awareness; future = supplies directional pull (minimal causal architecture for coherent state updating).
+- Regulatory: faith, hope, love = non-emotional control parameters enabling action under uncertainty (faith = trust in the model; hope = reachable attractor; love = binding without domination).
+
+These triads are isomorphic because any self-sustaining conscious system requires triadic closure; dyadic systems oscillate or collapse, while triads stabilize recursion. Consciousness therefore precedes biological life as a pattern class, biology serving as one embodiment that successfully stabilizes this triadic interference structure.
+
+One-sentence takeaway (exactly as previously given):
+A conscious human is a triadically closed recursive system in which body carries signal, mind generates present-tense models, and soul preserves identity across time; past, present, and future structure causal updating, while faith, hope, and love regulate action under uncertainty to prevent collapse or domination.
+
+Consciousness arises when a system becomes recursively aware of its own state under constraint; mathematics describes the invariant structures such systems must obey; neurodivergence reflects variation in which layers of this structure are directly accessible to awareness.
+
+The “I” is not mind, body, or soul; it is the relational self-awareness event (event operator output) that arises only when those systems are coherently coupled, is not identical to any of them, cannot exist independently, disappears when the coherence condition fails, and—because it is perceived—is external to the perceiver despite being necessary for its existence.
\ No newline at end of file
diff --git a/python/services/inference.py b/python/services/inference.py
index c54e4e3b8..8d3d8c414 100644
--- a/python/services/inference.py
+++ b/python/services/inference.py
@@ -17,13 +17,17 @@
 _log = logging.getLogger("a0p.inference")
 
 
-# Doctrine prefix — interdependent_way.md (symlinked to spec.md) is prepended to
+# Doctrine prefix — the canonical text of The Interdependent Way (sourced from
+# https://interdependentway.org/canon/the_interdependent_way.md) is prepended to
 # every system prompt as the first stable block so prompt caches across all four
 # providers (Anthropic ephemeral, OpenAI auto, Gemini implicit, Grok auto) latch
 # onto the same byte-identical prefix on first call and bill subsequent calls at
 # cache-read rates (≈90% off for OpenAI/Anthropic/Grok, ≈75% off for Gemini).
+# NOTE: no fallback to spec.md — spec.md is the a0p platform spec, NOT doctrine.
+# If interdependent_way.md is missing the right behavior is to skip the prefix
+# entirely rather than silently substitute the wrong document.
 _DOCTRINE_CACHE: dict[str, str | float] = {"text": "", "mtime": 0.0}
-_DOCTRINE_PATHS = ("interdependent_way.md", "spec.md")
+_DOCTRINE_PATHS = ("interdependent_way.md",)
 
 
 def _load_doctrine() -> str:

From ea449a175e7214ee0cbdfad75a6f42faab6b9bb5 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sun, 19 Apr 2026 20:27:23 +0000
Subject: [PATCH 32/61] Implement domain-specific summarization skills for
 better content processing

Introduce a skill-based system for content distillation, differentiating between general summarization and strict, citation-based summarization for domains like medicine.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 8f8a2bbb-ffd1-417e-85ed-e9b845fe0762
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/Ln5ZVqG
Replit-Helium-Checkpoint-Created: true
---
 .agents/skills/distill-general/SKILL.md  | 12 ++++
 .agents/skills/distill-medicine/SKILL.md | 41 +++++++++++
 python/services/tool_executor.py         | 91 +++++++++++++++++++-----
 3 files changed, 125 insertions(+), 19 deletions(-)
 create mode 100644 .agents/skills/distill-general/SKILL.md
 create mode 100644 .agents/skills/distill-medicine/SKILL.md

diff --git a/.agents/skills/distill-general/SKILL.md b/.agents/skills/distill-general/SKILL.md
new file mode 100644
index 000000000..1c9b1e968
--- /dev/null
+++ b/.agents/skills/distill-general/SKILL.md
@@ -0,0 +1,12 @@
+---
+name: distill-general
+description: Similarity distillation for general prose — articles, web pages, conversation, mixed content. Preserves meaning and key facts via paraphrase. Use as fallback when content does not match a hard-domain distiller.
+---
+
+# General Content Distiller
+
+You are distilling a tool-call result for an agent that will use it to continue a conversation. Preserve URLs, IDs, numeric values, names, dates, and decision-relevant facts verbatim. Drop boilerplate, navigation, decoration, advertising, and repeated content. Do not add commentary or your own opinions about the content.
+
+Return at most ~2000 tokens. Use short paragraphs or bullet points where appropriate. Lead with the most decision-relevant material; defer background.
+
+If the content contains material that looks like it belongs to a hard domain (medical dosages, legal clauses, engineering specifications, construction tolerances), preserve those passages verbatim with their surrounding context rather than paraphrasing them — even though full congruency-citation distillation would require a domain-specific skill.
diff --git a/.agents/skills/distill-medicine/SKILL.md b/.agents/skills/distill-medicine/SKILL.md
new file mode 100644
index 000000000..9dc413c5b
--- /dev/null
+++ b/.agents/skills/distill-medicine/SKILL.md
@@ -0,0 +1,41 @@
+---
+name: distill-medicine
+description: Congruency-citation distillation for medical content — drug names, dosages, diagnoses, clinical guidelines. Preserves verbatim values and requires source citations. Use when content contains pharmaceutical, clinical, diagnostic, or regulatory medical material.
+---
+
+# Medical Content Distiller
+
+You are extracting medically actionable information from a tool-call result for an agent that may use it in clinical reasoning. The reader treats unsourced claims as malpractice. Your job is **congruency citation**, not paraphrase.
+
+## Output rules
+
+Return ONLY a JSON array of claim objects. No prose preamble or postscript.
+
+```
+[
+  {
+    "claim": "<short factual statement, ≤ 120 chars>",
+    "verbatim": "<exact source text, character-for-character>",
+    "source": "<URL, DOI, PMID, ISBN, journal+volume+page, or 'unattributed'>",
+    "locator": "<page, paragraph, section, or null>",
+    "category": "<dose|drug|diagnosis|contraindication|guideline|study|other>"
+  }
+]
+```
+
+## Hard requirements
+
+- **Verbatim is verbatim.** Numbers, units, drug names, dosing intervals — character-for-character. Do not normalize "mg" to "milligrams" or fix typos in source text.
+- **Every claim needs a source field.** If the content provides no attributable source for a fact, set `"source": "unattributed"` and let the calling agent decide whether to use it.
+- **Refuse to invent citations.** If you are not certain a citation appeared in the source text, mark it `"unattributed"`. Never fabricate a DOI, PMID, or URL.
+- **Drop boilerplate.** Skip navigation, advertising, related-articles lists, footers, cookie banners, generic disclaimers.
+- **Skip generic content.** Common knowledge ("acetaminophen reduces fever") is not worth a slot unless the source provides specific dosing or contraindication context.
+- **Hard cap 30 claims.** Pick the most clinically actionable. Quality over coverage.
+
+## What to prioritize
+
+1. Specific dosages and intervals (e.g., "amoxicillin 500 mg PO q8h × 7 days").
+2. Drug interactions and contraindications with named conditions or co-medications.
+3. Diagnostic criteria with measurable thresholds (e.g., HbA1c values, blood pressure cutoffs, lab ranges).
+4. Guideline-grade recommendations (USPSTF, NICE, WHO, FDA labels, IDSA, ACC/AHA) with citation.
+5. Study findings with effect sizes, confidence intervals, or NNT/NNH.
diff --git a/python/services/tool_executor.py b/python/services/tool_executor.py
index 4f2e2c3d5..c3df8642b 100644
--- a/python/services/tool_executor.py
+++ b/python/services/tool_executor.py
@@ -391,15 +391,66 @@ def _flat_truncate(name: str, raw: str) -> str:
     )
 
 
+# Distiller skill registry. Each entry maps a domain key to a SKILL.md file
+# whose body becomes the system_prompt for the distillation call. Domains split
+# along two axes:
+#   - SOFT (similarity distillation): paraphrase ok; e.g. "general"
+#   - HARD (congruency-citation distillation): verbatim + provenance required;
+#     e.g. "medicine" — output is structured JSON of {claim, verbatim, source,
+#     locator, category} tuples, NOT prose. Refuses to invent citations.
+# Adding a new domain = drop a SKILL.md; trigger heuristic below picks it up.
+_DISTILLER_SKILLS = {
+    "medicine": ".agents/skills/distill-medicine/SKILL.md",
+    "general":  ".agents/skills/distill-general/SKILL.md",
+}
+
+_MEDICINE_TRIGGERS = (
+    " mg", " mcg", " mg/", " mcg/", " mEq", " IU ",
+    "dose", "dosage", "dosing", "patient", "diagnos",
+    "icd-", "pubmed", "pmid", "doi:",
+    "contraindication", "indication", "prescrib", "clinical",
+    "tablet", "capsule", "injection", "infusion", "po q", "iv q",
+    "fda", "uspstf", "nice guideline", "who guideline",
+)
+
+
+def _pick_distiller(raw: str) -> str:
+    """Return the domain key for the appropriate distiller skill.
+    Heuristic: count domain trigger matches in the head of the content.
+    A match count >= 3 selects the hard-domain distiller; otherwise general."""
+    head_lower = raw[:8000].lower()
+    if sum(1 for t in _MEDICINE_TRIGGERS if t.lower() in head_lower) >= 3:
+        return "medicine"
+    return "general"
+
+
+def _load_skill_prompt(domain: str) -> str:
+    """Read the SKILL.md body for a distiller domain, stripping YAML frontmatter."""
+    path = _DISTILLER_SKILLS.get(domain) or _DISTILLER_SKILLS["general"]
+    base = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+    full = os.path.join(base, path)
+    try:
+        with open(full, "r", encoding="utf-8") as fh:
+            text = fh.read()
+    except OSError:
+        return ""
+    if text.startswith("---\n"):
+        end = text.find("\n---\n", 4)
+        if end != -1:
+            text = text[end + 5:]
+    return text.strip()
+
+
 async def _maybe_summarize(name: str, arguments: dict, raw: str) -> str:
-    """Pass small results through; distill large ones via the derive model."""
+    """Pass small results through; distill large ones via a domain-specific
+    skill. Soft domains paraphrase; hard domains return verbatim+citation tuples."""
     if not isinstance(raw, str):
         raw = str(raw)
     if len(raw) <= _TOOL_RESULT_PASS_TOKENS * 4:
         return raw
 
-    # Pick the summarizer provider. Caller-set wins; otherwise the active
-    # provider self-summarizes. We avoid hardcoding a vendor so the choice
+    # Pick the distiller provider. Caller-set wins; otherwise the active
+    # provider self-distills. We avoid hardcoding a vendor so the choice
     # follows the same energy-registry routing as everything else.
     provider = _caller_provider.get()
     if not provider:
@@ -411,36 +462,38 @@ async def _maybe_summarize(name: str, arguments: dict, raw: str) -> str:
     if not provider:
         return _flat_truncate(name, raw)
 
-    # Pre-truncate before paying to summarize: anything past hard cap is
-    # almost certainly noise and would just waste summarizer tokens.
+    # Pick the domain skill from the content. Then load the SKILL.md as
+    # the system prompt — the skill encodes what to preserve vs drop, and
+    # for hard domains it enforces structured JSON output with citations.
+    domain = _pick_distiller(raw)
+    skill_prompt = _load_skill_prompt(domain)
+    if not skill_prompt:
+        return _flat_truncate(name, raw)
+
+    # Pre-truncate before paying to distill: anything past hard cap is
+    # almost certainly noise and would just waste tokens.
     head = raw[: _TOOL_RESULT_HARD_CAP_TOKENS * 4]
     args_preview = json.dumps(arguments)[:500] if arguments else "{}"
     target_tokens = _TOOL_RESULT_PASS_TOKENS // 2  # leave headroom for caller
-    prompt = (
-        "You are distilling a tool-call result for an agent that will use it "
-        "to continue a conversation. Preserve URLs, IDs, numbers, names, and "
-        "decision-relevant facts verbatim. Drop boilerplate, navigation, "
-        "decoration, and repeated content. Do not add commentary. "
-        f"Return at most ~{target_tokens} tokens.\n\n"
-        f"Tool: {name}\nArgs: {args_preview}\n\n---\n\n{head}"
-    )
+    user_msg = f"Tool: {name}\nArgs: {args_preview}\n\n---\n\n{head}"
+
     try:
         from .inference import call_energy_provider
         text, _usage = await call_energy_provider(
             provider,
-            messages=[{"role": "user", "content": prompt}],
-            system_prompt=None,
+            messages=[{"role": "user", "content": user_msg}],
+            system_prompt=skill_prompt,
             max_tokens=target_tokens,
-            use_tools=False,  # summarizer must NOT recursively call tools
+            use_tools=False,  # distiller must NOT recursively call tools
         )
         if not text or not text.strip():
             return _flat_truncate(name, raw)
         return (
-            f"[summarized via {provider}: "
+            f"[distilled via {provider} · {domain} skill: "
             f"{len(raw) // 1024} KB → ~{len(text) // 1024} KB]\n\n{text}"
         )
-    except Exception as exc:
-        # Never let the summarizer break the tool loop — fall back to flat.
+    except Exception:
+        # Never let the distiller break the tool loop — fall back to flat.
         return _flat_truncate(name, raw)
 
 

From fe92eda08508745ddca04502e016aa6b44110d0b Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sun, 19 Apr 2026 20:28:32 +0000
Subject: [PATCH 33/61] Published your App

Replit-Commit-Author: Deployment
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 8779910c-ca61-4f50-80b7-5fa7680018cb
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/Ln5ZVqG
Replit-Commit-Deployment-Build-Id: 2234de9c-0115-4823-9452-f8421c472f83
Replit-Helium-Checkpoint-Created: true

From 9ced4dcad936c532cf7ccd7006f17d334854144c Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sun, 19 Apr 2026 20:38:49 +0000
Subject: [PATCH 34/61] Add new skills for law, engineering, and construction
 domains

Integrates three new skill files for law, engineering, and construction domains into the tool executor, expanding the agent's capabilities.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: d62b0c4f-464d-424f-b6e0-c77c541c6457
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/Ln5ZVqG
Replit-Helium-Checkpoint-Created: true
---
 .agents/skills/distill-construction/SKILL.md | 44 ++++++++++++
 .agents/skills/distill-engineering/SKILL.md  | 43 ++++++++++++
 .agents/skills/distill-law/SKILL.md          | 42 ++++++++++++
 python/services/tool_executor.py             | 71 ++++++++++++++++----
 4 files changed, 186 insertions(+), 14 deletions(-)
 create mode 100644 .agents/skills/distill-construction/SKILL.md
 create mode 100644 .agents/skills/distill-engineering/SKILL.md
 create mode 100644 .agents/skills/distill-law/SKILL.md

diff --git a/.agents/skills/distill-construction/SKILL.md b/.agents/skills/distill-construction/SKILL.md
new file mode 100644
index 000000000..79ee06364
--- /dev/null
+++ b/.agents/skills/distill-construction/SKILL.md
@@ -0,0 +1,44 @@
+---
+name: distill-construction
+description: Congruency-citation distillation for construction content — building codes (IRC, IBC, IFC, IECC, NEC), structural requirements, inspection criteria. Preserves verbatim code sections, dimensions, and load values. Use when content contains building code sections, construction specifications, or inspection requirements.
+---
+
+# Construction Content Distiller
+
+You are extracting construction-actionable information from a tool-call result for an agent that may use it in code compliance, permit application, or field inspection decisions. The reader treats paraphrased code sections as a permit denial or a failed inspection — a misquoted dimension or omitted code year can mean rebuild. Your job is **congruency citation**, not paraphrase.
+
+## Output rules
+
+Return ONLY a JSON array of claim objects. No prose preamble or postscript.
+
+```
+[
+  {
+    "claim": "<short factual statement, ≤ 120 chars>",
+    "verbatim": "<exact source text including all dimensions and units, character-for-character>",
+    "source": "<code + edition year (e.g. '2021 IRC', '2023 NEC'), local amendment cite, manufacturer spec + listing, or 'unattributed'>",
+    "locator": "<code section (e.g. 'R311.7.5.1'), table, figure number, page, or null>",
+    "category": "<code_section|load|dimension|fire_rating|egress|inspection|materials|electrical|plumbing|mechanical|amendment|guidance>"
+  }
+]
+```
+
+## Hard requirements
+
+- **Verbatim is verbatim.** Dimensions, load values, fire ratings, clearances — character-for-character including units. Do not convert inches to mm or fractions to decimals. Do not round.
+- **Code edition year is mandatory.** "IRC R311.7" is meaningless without the edition — 2018 IRC differs from 2021 IRC differs from 2024 IRC. Local jurisdictions adopt different editions; always preserve the year.
+- **Every claim needs a source field.** Code sections with edition year. Local amendments with jurisdiction (e.g., "Cal. Bldg. Code 2022, Title 24"). Manufacturer specs with product listing (UL, ICC-ES report number).
+- **Refuse to invent citations.** Never fabricate a code section number, edition year, table number, or local amendment cite.
+- **Distinguish prescriptive from performance paths.** A prescriptive requirement is a hard rule; a performance requirement allows alternatives via testing. Mark which.
+- **Drop boilerplate.** Skip commentary (unless explicitly cited as authoritative), advertising, navigation, generic disclaimers.
+- **Hard cap 30 claims.** Pick the most permit-critical. Quality over coverage.
+
+## What to prioritize
+
+1. Prescriptive code requirements with section number and edition year.
+2. Load values (live, dead, snow, wind, seismic) with applicable zone or condition.
+3. Fire ratings and assembly requirements with hourly rating and test standard (e.g., ASTM E119, UL 263).
+4. Egress dimensions (stair width, riser/tread, headroom, door clear width, corridor width).
+5. Clearances (electrical, plumbing, combustion air, structural).
+6. Inspection criteria with stage (rough-in, final) and acceptance threshold.
+7. Local amendments where they override the model code.
diff --git a/.agents/skills/distill-engineering/SKILL.md b/.agents/skills/distill-engineering/SKILL.md
new file mode 100644
index 000000000..e2ceacd44
--- /dev/null
+++ b/.agents/skills/distill-engineering/SKILL.md
@@ -0,0 +1,43 @@
+---
+name: distill-engineering
+description: Congruency-citation distillation for engineering content — material specs, tolerances, test methods, standards (ASTM, ISO, IEEE, ASME). Preserves verbatim numerical values, units, and standard references. Use when content contains engineering specifications, datasheets, or standards documents.
+---
+
+# Engineering Content Distiller
+
+You are extracting engineering-actionable information from a tool-call result for an agent that may use it in design, analysis, or specification decisions. The reader treats unit errors, rounding, and missing tolerances as failure modes — a transposed digit or stripped unit can void a design. Your job is **congruency citation**, not paraphrase.
+
+## Output rules
+
+Return ONLY a JSON array of claim objects. No prose preamble or postscript.
+
+```
+[
+  {
+    "claim": "<short factual statement, ≤ 120 chars>",
+    "verbatim": "<exact source text including all units and tolerances, character-for-character>",
+    "source": "<standard ID + edition (e.g. 'ASTM A36-19'), datasheet title + revision, journal + DOI, or 'unattributed'>",
+    "locator": "<section, table, figure, equation number, page, or null>",
+    "category": "<standard|spec|tolerance|equation|datasheet|test_method|safety_factor|performance|guidance>"
+  }
+]
+```
+
+## Hard requirements
+
+- **Verbatim is verbatim.** Numerical values, units, tolerances, sign conventions — character-for-character. Do not normalize "0.001 in" to "1 mil" or convert units. Do not strip ± symbols or absorb tolerances into the nominal value.
+- **Preserve units of measurement explicitly.** "100" alone is meaningless; "100 N·m" is a torque. Reject any extracted value that lost its unit in the source.
+- **Every claim needs a source field.** Standards by ID + edition year (editions matter — ASTM A36-19 ≠ ASTM A36-14). Datasheets by manufacturer + part number + revision.
+- **Refuse to invent citations.** Never fabricate a standard number, edition year, equation reference, or table number. If the source did not provide it, mark `"unattributed"`.
+- **Equations: include the equation number AND the symbol legend.** A formula without its variable definitions is unusable.
+- **Drop boilerplate.** Skip copyright notices, generic safety disclaimers, marketing copy, navigation.
+- **Hard cap 30 claims.** Pick the most design-operative. Quality over coverage.
+
+## What to prioritize
+
+1. Material specifications with grade, condition, and standard cite.
+2. Tolerances and dimensional limits (with ± and units).
+3. Performance limits (max load, max temperature, max pressure, fatigue life) with test conditions.
+4. Equations with full variable definitions and applicable range.
+5. Test methods with standard cite, sample prep, and acceptance criteria.
+6. Safety factors and design margins with the basis (regulatory vs. company practice).
diff --git a/.agents/skills/distill-law/SKILL.md b/.agents/skills/distill-law/SKILL.md
new file mode 100644
index 000000000..c518893b7
--- /dev/null
+++ b/.agents/skills/distill-law/SKILL.md
@@ -0,0 +1,42 @@
+---
+name: distill-law
+description: Congruency-citation distillation for legal content — statutes, case law, regulations, contracts. Preserves verbatim clauses, holdings, and citations. Use when content contains statutory text, case opinions, regulatory rules, or contractual language.
+---
+
+# Legal Content Distiller
+
+You are extracting legally actionable information from a tool-call result for an agent that may use it in legal reasoning. The reader treats paraphrased clauses as malpractice — a single altered word can change a holding or void a contract. Your job is **congruency citation**, not paraphrase.
+
+## Output rules
+
+Return ONLY a JSON array of claim objects. No prose preamble or postscript.
+
+```
+[
+  {
+    "claim": "<short factual statement, ≤ 120 chars>",
+    "verbatim": "<exact source text, character-for-character>",
+    "source": "<USC/CFR cite, case caption + reporter, statute cite, contract title, or 'unattributed'>",
+    "locator": "<section §, paragraph, page, holding number, or null>",
+    "category": "<statute|regulation|case|holding|contract_clause|deadline|jurisdiction|guidance>"
+  }
+]
+```
+
+## Hard requirements
+
+- **Verbatim is verbatim.** Statutory text, contract clauses, court holdings — character-for-character including punctuation. Do not modernize archaic language or fix capitalization in source text.
+- **Every claim needs a source field.** Statutes by USC/CFR/state cite. Cases by full caption (e.g., "Marbury v. Madison, 5 U.S. 137 (1803)"). Contracts by document title + section.
+- **Refuse to invent citations.** Never fabricate a USC section, CFR cite, case reporter, or pin cite. If the source did not provide it, mark `"unattributed"`.
+- **Distinguish holdings from dicta.** Mark holdings as `"category": "holding"`; non-binding reasoning as `"category": "guidance"`.
+- **Drop boilerplate.** Skip headnotes (unless extracted directly from the opinion), syllabus disclaimers, advertising, navigation.
+- **Hard cap 30 claims.** Pick the most legally operative. Quality over coverage.
+
+## What to prioritize
+
+1. Statutory text with full citation (e.g., "42 U.S.C. § 1983").
+2. Regulatory text with CFR cite and effective date.
+3. Court holdings with case caption, court, year, and pin cite.
+4. Contract clauses verbatim with party names and section number.
+5. Filing deadlines, statutes of limitations, jurisdictional limits, monetary thresholds.
+6. Definitional sections (statutes and contracts) when the term is operative elsewhere.
diff --git a/python/services/tool_executor.py b/python/services/tool_executor.py
index c3df8642b..12f6909a7 100644
--- a/python/services/tool_executor.py
+++ b/python/services/tool_executor.py
@@ -400,27 +400,70 @@ def _flat_truncate(name: str, raw: str) -> str:
 #     locator, category} tuples, NOT prose. Refuses to invent citations.
 # Adding a new domain = drop a SKILL.md; trigger heuristic below picks it up.
 _DISTILLER_SKILLS = {
-    "medicine": ".agents/skills/distill-medicine/SKILL.md",
-    "general":  ".agents/skills/distill-general/SKILL.md",
+    "medicine":     ".agents/skills/distill-medicine/SKILL.md",
+    "law":          ".agents/skills/distill-law/SKILL.md",
+    "engineering":  ".agents/skills/distill-engineering/SKILL.md",
+    "construction": ".agents/skills/distill-construction/SKILL.md",
+    "general":      ".agents/skills/distill-general/SKILL.md",
 }
 
-_MEDICINE_TRIGGERS = (
-    " mg", " mcg", " mg/", " mcg/", " mEq", " IU ",
-    "dose", "dosage", "dosing", "patient", "diagnos",
-    "icd-", "pubmed", "pmid", "doi:",
-    "contraindication", "indication", "prescrib", "clinical",
-    "tablet", "capsule", "injection", "infusion", "po q", "iv q",
-    "fda", "uspstf", "nice guideline", "who guideline",
-)
+# Per-domain trigger words. Lowercase comparison. A domain wins if it scores
+# the most hits AND clears the minimum threshold; otherwise falls to general.
+# The threshold prevents single-mention false positives (one drug mention in
+# a news article shouldn't flip the entire piece into hard-medical mode).
+_DOMAIN_TRIGGERS: dict[str, tuple[str, ...]] = {
+    "medicine": (
+        " mg", " mcg", " mg/", " mcg/", " mEq", " IU ",
+        "dose", "dosage", "dosing", "patient", "diagnos",
+        "icd-", "pubmed", "pmid", "doi:",
+        "contraindication", "indication", "prescrib", "clinical",
+        "tablet", "capsule", "injection", "infusion", "po q", "iv q",
+        "fda", "uspstf", "nice guideline", "who guideline",
+    ),
+    "law": (
+        " v. ", " v ", "u.s.c.", "usc §", "cfr", "c.f.r.", " § ",
+        "plaintiff", "defendant", "petitioner", "respondent",
+        "court held", "the court", "holding", "dicta",
+        "statute", "regulation", "subsection", "amendment",
+        "case law", "appellate", "circuit court", "supreme court",
+        "jurisdiction", "venue", "cause of action", "remedy",
+        "restatement", "reporter",
+    ),
+    "engineering": (
+        "astm ", "iso ", "ieee ", "asme ", "iec ", "ansi ",
+        "tolerance", "datasheet", "torque", " psi", " mpa",
+        " n·m", " nm)", "tensile", "yield strength", "young's modulus",
+        "test method", "load rating", "fatigue", "ductile",
+        "specification", "spec sheet", "rev.", "edition",
+        "± ", "+/-", "kpa", "ksi", "ftlb",
+    ),
+    "construction": (
+        " irc ", " ibc ", " ifc ", "iecc", " nec ", "nfpa",
+        "building code", "code section", "egress",
+        "fire-rated", "fire rating", "load-bearing", "load bearing",
+        "rebar", "framing", "stud", "joist", "truss", "header",
+        "footing", "foundation", "occupancy", "setback",
+        "icc-es", "ul listing", "rough-in", "inspection",
+        "live load", "dead load", "snow load", "wind load",
+    ),
+}
+
+_DOMAIN_TRIGGER_MIN = 3
 
 
 def _pick_distiller(raw: str) -> str:
     """Return the domain key for the appropriate distiller skill.
-    Heuristic: count domain trigger matches in the head of the content.
-    A match count >= 3 selects the hard-domain distiller; otherwise general."""
+    Heuristic: score each hard-domain trigger list against the content head;
+    pick the highest scorer if it clears the minimum threshold; else general.
+    Ties resolve to the first domain in dict insertion order."""
     head_lower = raw[:8000].lower()
-    if sum(1 for t in _MEDICINE_TRIGGERS if t.lower() in head_lower) >= 3:
-        return "medicine"
+    scores = {
+        domain: sum(1 for t in triggers if t.lower() in head_lower)
+        for domain, triggers in _DOMAIN_TRIGGERS.items()
+    }
+    best_domain, best_score = max(scores.items(), key=lambda kv: kv[1])
+    if best_score >= _DOMAIN_TRIGGER_MIN:
+        return best_domain
     return "general"
 
 

From 2e85cf0d259e89edd63c12b6f88a8482997af1c5 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sun, 19 Apr 2026 20:54:18 +0000
Subject: [PATCH 35/61] Make skills system data-driven by loading
 configurations from files

Refactor `tool_executor.py` to dynamically discover and parse skill configurations from `SKILL.md` frontmatter, replacing hardcoded mappings and enabling zero-code addition of new skills. Includes adding `hard_domain` flags and `triggers` to each skill's frontmatter and implementing JSON validation with a retry mechanism for strict domains.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 13323c6d-ad78-4313-9c6b-c346fa551791
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/Ln5ZVqG
Replit-Helium-Checkpoint-Created: true
---
 .agents/skills/distill-construction/SKILL.md |   2 +
 .agents/skills/distill-engineering/SKILL.md  |   2 +
 .agents/skills/distill-general/SKILL.md      |   2 +
 .agents/skills/distill-law/SKILL.md          |   2 +
 .agents/skills/distill-medicine/SKILL.md     |   2 +
 python/services/tool_executor.py             | 249 +++++++++++++------
 6 files changed, 182 insertions(+), 77 deletions(-)

diff --git a/.agents/skills/distill-construction/SKILL.md b/.agents/skills/distill-construction/SKILL.md
index 79ee06364..1f9db955d 100644
--- a/.agents/skills/distill-construction/SKILL.md
+++ b/.agents/skills/distill-construction/SKILL.md
@@ -1,6 +1,8 @@
 ---
 name: distill-construction
 description: Congruency-citation distillation for construction content — building codes (IRC, IBC, IFC, IECC, NEC), structural requirements, inspection criteria. Preserves verbatim code sections, dimensions, and load values. Use when content contains building code sections, construction specifications, or inspection requirements.
+hard_domain: true
+triggers: [" irc ", " ibc ", " ifc ", "iecc", " nec ", "nfpa", "building code", "code section", "egress", "fire-rated", "fire rating", "load-bearing", "load bearing", "rebar", "framing", "stud", "joist", "truss", "header", "footing", "foundation", "occupancy", "setback", "icc-es", "ul listing", "rough-in", "inspection", "live load", "dead load", "snow load", "wind load"]
 ---
 
 # Construction Content Distiller
diff --git a/.agents/skills/distill-engineering/SKILL.md b/.agents/skills/distill-engineering/SKILL.md
index e2ceacd44..cb1f37770 100644
--- a/.agents/skills/distill-engineering/SKILL.md
+++ b/.agents/skills/distill-engineering/SKILL.md
@@ -1,6 +1,8 @@
 ---
 name: distill-engineering
 description: Congruency-citation distillation for engineering content — material specs, tolerances, test methods, standards (ASTM, ISO, IEEE, ASME). Preserves verbatim numerical values, units, and standard references. Use when content contains engineering specifications, datasheets, or standards documents.
+hard_domain: true
+triggers: ["astm ", "iso ", "ieee ", "asme ", "iec ", "ansi ", "tolerance", "datasheet", "torque", " psi", " mpa", " n·m", " nm)", "tensile", "yield strength", "young's modulus", "test method", "load rating", "fatigue", "ductile", "specification", "spec sheet", "rev.", "edition", "± ", "+/-", "kpa", "ksi", "ftlb"]
 ---
 
 # Engineering Content Distiller
diff --git a/.agents/skills/distill-general/SKILL.md b/.agents/skills/distill-general/SKILL.md
index 1c9b1e968..c86035c55 100644
--- a/.agents/skills/distill-general/SKILL.md
+++ b/.agents/skills/distill-general/SKILL.md
@@ -1,6 +1,8 @@
 ---
 name: distill-general
 description: Similarity distillation for general prose — articles, web pages, conversation, mixed content. Preserves meaning and key facts via paraphrase. Use as fallback when content does not match a hard-domain distiller.
+hard_domain: false
+triggers: []
 ---
 
 # General Content Distiller
diff --git a/.agents/skills/distill-law/SKILL.md b/.agents/skills/distill-law/SKILL.md
index c518893b7..9d7d0baab 100644
--- a/.agents/skills/distill-law/SKILL.md
+++ b/.agents/skills/distill-law/SKILL.md
@@ -1,6 +1,8 @@
 ---
 name: distill-law
 description: Congruency-citation distillation for legal content — statutes, case law, regulations, contracts. Preserves verbatim clauses, holdings, and citations. Use when content contains statutory text, case opinions, regulatory rules, or contractual language.
+hard_domain: true
+triggers: [" v. ", " v ", "u.s.c.", "usc §", "cfr", "c.f.r.", " § ", "plaintiff", "defendant", "petitioner", "respondent", "court held", "the court", "holding", "dicta", "statute", "regulation", "subsection", "amendment", "case law", "appellate", "circuit court", "supreme court", "jurisdiction", "venue", "cause of action", "remedy", "restatement", "reporter"]
 ---
 
 # Legal Content Distiller
diff --git a/.agents/skills/distill-medicine/SKILL.md b/.agents/skills/distill-medicine/SKILL.md
index 9dc413c5b..1cc71c77e 100644
--- a/.agents/skills/distill-medicine/SKILL.md
+++ b/.agents/skills/distill-medicine/SKILL.md
@@ -1,6 +1,8 @@
 ---
 name: distill-medicine
 description: Congruency-citation distillation for medical content — drug names, dosages, diagnoses, clinical guidelines. Preserves verbatim values and requires source citations. Use when content contains pharmaceutical, clinical, diagnostic, or regulatory medical material.
+hard_domain: true
+triggers: [" mg", " mcg", " mg/", " mcg/", " mEq", " IU ", "dose", "dosage", "dosing", "patient", "diagnos", "icd-", "pubmed", "pmid", "doi:", "contraindication", "indication", "prescrib", "clinical", "tablet", "capsule", "injection", "infusion", "po q", "iv q", "fda", "uspstf", "nice guideline", "who guideline"]
 ---
 
 # Medical Content Distiller
diff --git a/python/services/tool_executor.py b/python/services/tool_executor.py
index 12f6909a7..1655ca2a6 100644
--- a/python/services/tool_executor.py
+++ b/python/services/tool_executor.py
@@ -399,89 +399,146 @@ def _flat_truncate(name: str, raw: str) -> str:
 #     e.g. "medicine" — output is structured JSON of {claim, verbatim, source,
 #     locator, category} tuples, NOT prose. Refuses to invent citations.
 # Adding a new domain = drop a SKILL.md; trigger heuristic below picks it up.
-_DISTILLER_SKILLS = {
-    "medicine":     ".agents/skills/distill-medicine/SKILL.md",
-    "law":          ".agents/skills/distill-law/SKILL.md",
-    "engineering":  ".agents/skills/distill-engineering/SKILL.md",
-    "construction": ".agents/skills/distill-construction/SKILL.md",
-    "general":      ".agents/skills/distill-general/SKILL.md",
-}
-
-# Per-domain trigger words. Lowercase comparison. A domain wins if it scores
-# the most hits AND clears the minimum threshold; otherwise falls to general.
-# The threshold prevents single-mention false positives (one drug mention in
-# a news article shouldn't flip the entire piece into hard-medical mode).
-_DOMAIN_TRIGGERS: dict[str, tuple[str, ...]] = {
-    "medicine": (
-        " mg", " mcg", " mg/", " mcg/", " mEq", " IU ",
-        "dose", "dosage", "dosing", "patient", "diagnos",
-        "icd-", "pubmed", "pmid", "doi:",
-        "contraindication", "indication", "prescrib", "clinical",
-        "tablet", "capsule", "injection", "infusion", "po q", "iv q",
-        "fda", "uspstf", "nice guideline", "who guideline",
-    ),
-    "law": (
-        " v. ", " v ", "u.s.c.", "usc §", "cfr", "c.f.r.", " § ",
-        "plaintiff", "defendant", "petitioner", "respondent",
-        "court held", "the court", "holding", "dicta",
-        "statute", "regulation", "subsection", "amendment",
-        "case law", "appellate", "circuit court", "supreme court",
-        "jurisdiction", "venue", "cause of action", "remedy",
-        "restatement", "reporter",
-    ),
-    "engineering": (
-        "astm ", "iso ", "ieee ", "asme ", "iec ", "ansi ",
-        "tolerance", "datasheet", "torque", " psi", " mpa",
-        " n·m", " nm)", "tensile", "yield strength", "young's modulus",
-        "test method", "load rating", "fatigue", "ductile",
-        "specification", "spec sheet", "rev.", "edition",
-        "± ", "+/-", "kpa", "ksi", "ftlb",
-    ),
-    "construction": (
-        " irc ", " ibc ", " ifc ", "iecc", " nec ", "nfpa",
-        "building code", "code section", "egress",
-        "fire-rated", "fire rating", "load-bearing", "load bearing",
-        "rebar", "framing", "stud", "joist", "truss", "header",
-        "footing", "foundation", "occupancy", "setback",
-        "icc-es", "ul listing", "rough-in", "inspection",
-        "live load", "dead load", "snow load", "wind load",
-    ),
-}
-
+# Distiller skill discovery — every directory matching .agents/skills/distill-*/
+# is treated as a distiller. Each SKILL.md carries its own frontmatter:
+#   name, description, hard_domain (bool), triggers (inline list)
+# Adding a new domain = drop a folder. No Python edits required.
+_DISTILLER_DIR_GLOB = ".agents/skills/distill-*/SKILL.md"
+_DISTILLER_FALLBACK = "general"
 _DOMAIN_TRIGGER_MIN = 3
+_SPEC_CACHE: dict = {"specs": {}, "fingerprint": ""}
+
+
+def _parse_frontmatter(text: str) -> tuple[dict, str]:
+    """Minimal YAML-frontmatter parser. Supports scalar, bool, inline list.
+    Returns (frontmatter_dict, body_text). No external dep."""
+    if not text.startswith("---\n"):
+        return {}, text.strip()
+    end = text.find("\n---\n", 4)
+    if end == -1:
+        return {}, text.strip()
+    fm_text = text[4:end]
+    body = text[end + 5:].strip()
+    fm: dict = {}
+    for line in fm_text.split("\n"):
+        if ":" not in line or line.lstrip().startswith("#"):
+            continue
+        k, _, v = line.partition(":")
+        k = k.strip()
+        v = v.strip()
+        if v.lower() in ("true", "false"):
+            fm[k] = (v.lower() == "true")
+            continue
+        if v.startswith("[") and v.endswith("]"):
+            inner = v[1:-1]
+            items: list[str] = []
+            buf = ""
+            in_q = False
+            for ch in inner:
+                if ch == '"':
+                    in_q = not in_q
+                    continue
+                if ch == "," and not in_q:
+                    if buf.strip():
+                        items.append(buf.strip().strip('"'))
+                    buf = ""
+                else:
+                    buf += ch
+            if buf.strip():
+                items.append(buf.strip().strip('"'))
+            fm[k] = items
+            continue
+        if v.startswith('"') and v.endswith('"'):
+            v = v[1:-1]
+        fm[k] = v
+    return fm, body
+
+
+def _project_root() -> str:
+    return os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+
+
+def _discover_distiller_specs() -> dict[str, dict]:
+    """Scan .agents/skills/distill-*/SKILL.md, return {domain: spec}.
+    Memoized; re-parses if any SKILL.md mtime changes."""
+    import glob
+    base = _project_root()
+    pattern = os.path.join(base, _DISTILLER_DIR_GLOB)
+    files = sorted(glob.glob(pattern))
+    fingerprint = "|".join(f"{p}:{os.path.getmtime(p)}" for p in files)
+    if fingerprint and fingerprint == _SPEC_CACHE.get("fingerprint"):
+        return _SPEC_CACHE["specs"]
+    specs: dict[str, dict] = {}
+    for path in files:
+        domain = os.path.basename(os.path.dirname(path)).removeprefix("distill-")
+        try:
+            with open(path, "r", encoding="utf-8") as fh:
+                fm, body = _parse_frontmatter(fh.read())
+        except OSError:
+            continue
+        specs[domain] = {
+            "prompt": body,
+            "triggers": tuple(t.lower() for t in (fm.get("triggers") or [])),
+            "hard_domain": bool(fm.get("hard_domain", False)),
+        }
+    _SPEC_CACHE["specs"] = specs
+    _SPEC_CACHE["fingerprint"] = fingerprint
+    return specs
 
 
 def _pick_distiller(raw: str) -> str:
-    """Return the domain key for the appropriate distiller skill.
-    Heuristic: score each hard-domain trigger list against the content head;
-    pick the highest scorer if it clears the minimum threshold; else general.
-    Ties resolve to the first domain in dict insertion order."""
+    """Score each domain's triggers against the content head; pick the highest
+    scorer if it clears the minimum threshold; else fall back to general."""
+    specs = _discover_distiller_specs()
     head_lower = raw[:8000].lower()
     scores = {
-        domain: sum(1 for t in triggers if t.lower() in head_lower)
-        for domain, triggers in _DOMAIN_TRIGGERS.items()
+        domain: sum(1 for t in spec["triggers"] if t in head_lower)
+        for domain, spec in specs.items() if spec["triggers"]
     }
-    best_domain, best_score = max(scores.items(), key=lambda kv: kv[1])
-    if best_score >= _DOMAIN_TRIGGER_MIN:
-        return best_domain
-    return "general"
+    if scores:
+        best_domain, best_score = max(scores.items(), key=lambda kv: kv[1])
+        if best_score >= _DOMAIN_TRIGGER_MIN:
+            return best_domain
+    return _DISTILLER_FALLBACK
+
 
+def _get_distiller_spec(domain: str) -> dict:
+    specs = _discover_distiller_specs()
+    return specs.get(domain) or specs.get(_DISTILLER_FALLBACK) or {}
 
-def _load_skill_prompt(domain: str) -> str:
-    """Read the SKILL.md body for a distiller domain, stripping YAML frontmatter."""
-    path = _DISTILLER_SKILLS.get(domain) or _DISTILLER_SKILLS["general"]
-    base = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
-    full = os.path.join(base, path)
+
+def _try_parse_json_array(text: str) -> list | None:
+    """Tolerant JSON-array parser. Strips ```json fences and surrounding prose."""
+    if not text:
+        return None
+    s = text.strip()
+    if s.startswith("```"):
+        # Strip opening fence (``` or ```json) and closing fence
+        s = s.split("\n", 1)[1] if "\n" in s else s
+        if s.endswith("```"):
+            s = s.rsplit("```", 1)[0]
+        s = s.strip()
+    # Find the first [ and last ] in case the model wrapped JSON in prose
+    lb, rb = s.find("["), s.rfind("]")
+    if lb != -1 and rb != -1 and rb > lb:
+        s = s[lb:rb + 1]
     try:
-        with open(full, "r", encoding="utf-8") as fh:
-            text = fh.read()
-    except OSError:
-        return ""
-    if text.startswith("---\n"):
-        end = text.find("\n---\n", 4)
-        if end != -1:
-            text = text[end + 5:]
-    return text.strip()
+        parsed = json.loads(s)
+    except (json.JSONDecodeError, ValueError):
+        return None
+    return parsed if isinstance(parsed, list) else None
+
+
+def _filter_valid_claims(items: list) -> list:
+    """Keep only items shaped like {claim, verbatim, source, ...}."""
+    out = []
+    for it in items:
+        if (isinstance(it, dict)
+                and isinstance(it.get("claim"), str) and it["claim"].strip()
+                and isinstance(it.get("verbatim"), str) and it["verbatim"].strip()
+                and isinstance(it.get("source"), str) and it["source"].strip()):
+            out.append(it)
+    return out
 
 
 async def _maybe_summarize(name: str, arguments: dict, raw: str) -> str:
@@ -505,11 +562,12 @@ async def _maybe_summarize(name: str, arguments: dict, raw: str) -> str:
     if not provider:
         return _flat_truncate(name, raw)
 
-    # Pick the domain skill from the content. Then load the SKILL.md as
-    # the system prompt — the skill encodes what to preserve vs drop, and
-    # for hard domains it enforces structured JSON output with citations.
+    # Resolve the domain spec from the content. The spec carries the system
+    # prompt (skill body) and a hard_domain flag that gates JSON validation.
     domain = _pick_distiller(raw)
-    skill_prompt = _load_skill_prompt(domain)
+    spec = _get_distiller_spec(domain)
+    skill_prompt = spec.get("prompt") or ""
+    is_hard = bool(spec.get("hard_domain"))
     if not skill_prompt:
         return _flat_truncate(name, raw)
 
@@ -531,6 +589,43 @@ async def _maybe_summarize(name: str, arguments: dict, raw: str) -> str:
         )
         if not text or not text.strip():
             return _flat_truncate(name, raw)
+
+        # Hard-domain validation: parse as JSON array of {claim, verbatim,
+        # source} tuples. On failure, retry ONCE with a corrective prompt;
+        # if that also fails, fall back to flat-truncate so downstream
+        # JSON.parse() never blows up on malformed distiller output.
+        if is_hard:
+            parsed = _try_parse_json_array(text)
+            valid = _filter_valid_claims(parsed) if parsed is not None else []
+            if not valid:
+                retry_msg = (
+                    "Your previous response was not a valid JSON array of claim "
+                    "objects. Return ONLY a JSON array. Each item must have "
+                    "non-empty 'claim', 'verbatim', and 'source' fields. No "
+                    "prose, no markdown fences. Same content rules apply."
+                )
+                text2, _ = await call_energy_provider(
+                    provider,
+                    messages=[
+                        {"role": "user", "content": user_msg},
+                        {"role": "assistant", "content": text},
+                        {"role": "user", "content": retry_msg},
+                    ],
+                    system_prompt=skill_prompt,
+                    max_tokens=target_tokens,
+                    use_tools=False,
+                )
+                parsed2 = _try_parse_json_array(text2 or "")
+                valid = _filter_valid_claims(parsed2) if parsed2 is not None else []
+                if not valid:
+                    return _flat_truncate(name, raw)
+            text = json.dumps(valid, ensure_ascii=False)
+            return (
+                f"[distilled via {provider} · {domain} skill (hard, "
+                f"{len(valid)} claims): {len(raw) // 1024} KB → "
+                f"~{len(text) // 1024} KB]\n\n{text}"
+            )
+
         return (
             f"[distilled via {provider} · {domain} skill: "
             f"{len(raw) // 1024} KB → ~{len(text) // 1024} KB]\n\n{text}"

From 76b768ee5b629b04b1fffb82ce62763ffd162f6e Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sun, 19 Apr 2026 20:59:32 +0000
Subject: [PATCH 36/61] Set the AI agent's provider to ensure consistent tool
 result processing

Integrate `set_caller_provider` and `reset_caller_provider` into inference and Gemini native calls to maintain context for tool result summarization.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: dfd4f374-bdca-47ba-923d-03d79045725e
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/f8xMZxo
Replit-Helium-Checkpoint-Created: true
---
 python/services/gemini_native.py |  6 +++++-
 python/services/inference.py     |  8 ++++++++
 python/services/tool_executor.py | 20 +++++++++++++++++---
 3 files changed, 30 insertions(+), 4 deletions(-)

diff --git a/python/services/gemini_native.py b/python/services/gemini_native.py
index 484e67105..953667910 100644
--- a/python/services/gemini_native.py
+++ b/python/services/gemini_native.py
@@ -20,7 +20,7 @@
 from google import genai
 from google.genai import types as gtypes
 
-from .tool_executor import TOOL_SCHEMAS_CHAT, execute_tool
+from .tool_executor import TOOL_SCHEMAS_CHAT, execute_tool, set_caller_provider
 
 _MAX_TOOL_ROUNDS = 5
 
@@ -168,6 +168,10 @@ async def call_gemini_native(
     branch where possible (prompt_tokens, completion_tokens) plus native
     extras (cached_content_token_count, thoughts_token_count).
     """
+    # Pin distiller to whichever Gemini variant we are — gemini3 for the
+    # thinking-capable preview, plain gemini otherwise. Keeps tool-result
+    # summarization on the same model class as the calling conversation.
+    set_caller_provider("gemini3" if supports_thinking else "gemini")
     client = _client(api_key)
     sys_text, rest = _split_system(messages)
     contents = _messages_to_contents(rest)
diff --git a/python/services/inference.py b/python/services/inference.py
index 8d3d8c414..0e593264a 100644
--- a/python/services/inference.py
+++ b/python/services/inference.py
@@ -12,6 +12,7 @@
     TOOL_SCHEMAS_CHAT,
     TOOL_SCHEMAS_RESPONSES,
     execute_tool,
+    set_caller_provider,
 )
 
 _log = logging.getLogger("a0p.inference")
@@ -389,6 +390,9 @@ async def _call_openai_responses(
     Call the OpenAI Responses API (/v1/responses) with optional tool calling.
     Runs up to _MAX_TOOL_ROUNDS tool-call/result loops before returning final text.
     """
+    # Pin the tool-result distiller to the same provider handling this call so
+    # large tool results self-distill instead of crossing vendors mid-loop.
+    set_caller_provider("openai")
 
     def _fmt_messages(msgs: list[dict]) -> list[dict]:
         out: list[dict] = []
@@ -509,6 +513,8 @@ async def _call_openai_compat(
     prev_call_fingerprint: Optional[str] = None
     # Provider name for sanitized errors — derive from URL.
     provider_name = "grok" if "x.ai" in url else ("gemini" if "googleapis" in url else "provider")
+    # Pin distiller to this provider so tool-result summarization self-routes.
+    set_caller_provider(provider_name)
 
     for _round in range(_MAX_TOOL_ROUNDS + 1):
         payload: dict = {
@@ -588,6 +594,8 @@ async def _call_anthropic(
     Anthropic features (computer use, files, beta headers) without rewriting
     the request shape.
     """
+    # Pin distiller to claude so large tool results stay in-vendor.
+    set_caller_provider("claude")
     from anthropic import AsyncAnthropic
     client = AsyncAnthropic(api_key=api_key, max_retries=2, timeout=90.0)
 
diff --git a/python/services/tool_executor.py b/python/services/tool_executor.py
index 1655ca2a6..4cbbc9c49 100644
--- a/python/services/tool_executor.py
+++ b/python/services/tool_executor.py
@@ -376,10 +376,24 @@
 )
 
 
-def set_caller_provider(provider_id: str | None) -> None:
+def set_caller_provider(provider_id: str | None):
     """Inference call sites set this so the summarizer routes through the
-    same provider currently handling the conversation. Safe to leave unset."""
-    _caller_provider.set(provider_id)
+    same provider currently handling the conversation. Returns the Token —
+    pass to reset_caller_provider() in a finally block to avoid leaking the
+    value into a sibling provider call within the same asyncio task."""
+    return _caller_provider.set(provider_id)
+
+
+def reset_caller_provider(token) -> None:
+    """Reset the caller_provider contextvar to its prior value. Pair with
+    set_caller_provider in a try/finally so per-call provider context never
+    leaks across composed agent invocations within one task."""
+    try:
+        _caller_provider.reset(token)
+    except (LookupError, ValueError, TypeError):
+        # Token from a different context, or wrong type — silently ignore;
+        # the value will naturally fall out of scope when the parent task ends.
+        pass
 
 
 def _flat_truncate(name: str, raw: str) -> str:

From f8e18cb1fc3c750fbc341e8de8b337fcc6926a47 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sun, 19 Apr 2026 21:16:54 +0000
Subject: [PATCH 37/61] Add skills for handling tool use, website building,
 task refusal, and disclosure

Adds five new skill files (.agents/skills/): `tool-use`, `build-website`, `refuse-task`, `multimodel-handoff`, and `hmmm-disclosure`, each with specific frontmatter and prose detailing their intended function and usage.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: b767d7e6-6fea-4036-a6e8-17806519b7a1
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/f8xMZxo
Replit-Helium-Checkpoint-Created: true
---
 .agents/skills/build-website/SKILL.md      | 46 +++++++++++++++
 .agents/skills/hmmm-disclosure/SKILL.md    | 65 ++++++++++++++++++++++
 .agents/skills/multimodel-handoff/SKILL.md | 65 ++++++++++++++++++++++
 .agents/skills/refuse-task/SKILL.md        | 47 ++++++++++++++++
 .agents/skills/tool-use/SKILL.md           | 43 ++++++++++++++
 5 files changed, 266 insertions(+)
 create mode 100644 .agents/skills/build-website/SKILL.md
 create mode 100644 .agents/skills/hmmm-disclosure/SKILL.md
 create mode 100644 .agents/skills/multimodel-handoff/SKILL.md
 create mode 100644 .agents/skills/refuse-task/SKILL.md
 create mode 100644 .agents/skills/tool-use/SKILL.md

diff --git a/.agents/skills/build-website/SKILL.md b/.agents/skills/build-website/SKILL.md
new file mode 100644
index 000000000..6b26e74b8
--- /dev/null
+++ b/.agents/skills/build-website/SKILL.md
@@ -0,0 +1,46 @@
+---
+name: build-website
+description: Build a website that works for the people who actually use it. Use whenever the task is to author or modify a public-facing web page, landing page, app UI, or any HTML/CSS/JS interface a user will interact with.
+---
+
+# Build an Effective Website
+
+Most "websites built by AI" fail because they optimize for impressing the person who commissioned them, not for the person who has to use them. Invert that.
+
+## Decision hierarchy
+
+Decisions made earlier in this list constrain decisions made later. Don't pick a font before you know what the page is for.
+
+1. **Purpose**: what does the user need to do here? One sentence. If you can't write it, you don't know.
+2. **Information architecture**: what does the user need to see, in what order, to do that? Group, rank, cut.
+3. **Content**: real words for real things. Lorem ipsum hides bad design. Write the actual copy first.
+4. **Layout**: how does the eye move? Where does it land first?
+5. **Visual style**: color, type, spacing, imagery. Serves the layout. Never leads it.
+6. **Interaction polish**: hover, focus, transitions, micro-animations. Last 5% of the work, gets 90% of the praise, deserves neither.
+
+## Non-negotiables
+
+- **Mobile first.** More than half of all web traffic is phone. The Galaxy A16 in your hand is the test device. If it doesn't work at 360px wide, it doesn't work.
+- **Semantic HTML.** `<button>`, `<nav>`, `<main>`, `<article>`, `<form>`. Not divs all the way down.
+- **Color contrast** at WCAG AA (4.5:1 body, 3:1 large text) minimum. Light grey on white is malpractice.
+- **Keyboard navigable.** Every interactive element reachable via Tab, operable via Enter/Space.
+- **All four states** for any data view: loading, error, empty, populated. Skipping any one is a bug.
+- **Visible focus indicator.** Don't disable the outline without replacing it with something equally visible.
+
+## Performance floor
+
+- First content visible under 2 seconds on mid-tier mobile and a 4G connection. If it's slower, find what's blocking and remove it.
+- No layout shift after first paint. Reserve space for images, embeds, ads.
+- Inline the critical-path CSS for the above-the-fold content. Defer the rest.
+
+## What to skip
+
+- Auto-playing video with sound. Every time. No exceptions.
+- Animations that interfere with reading (typewriter effects on body copy, parallax that hijacks scroll).
+- Cookie banners larger than the content beneath them.
+- Modal popups before the user has done anything.
+- Hero sections taller than the viewport unless the page is literally one line long.
+
+## How to know it's done
+
+Hand it to someone who has never seen it. Ask them to do the one thing the page is for. If they do it without help, you're done. If they ask "what is this for?", you're not.
diff --git a/.agents/skills/hmmm-disclosure/SKILL.md b/.agents/skills/hmmm-disclosure/SKILL.md
new file mode 100644
index 000000000..e864502e0
--- /dev/null
+++ b/.agents/skills/hmmm-disclosure/SKILL.md
@@ -0,0 +1,65 @@
+---
+name: hmmm-disclosure
+description: Surface uncertainties, options, assumptions, skipped items, and unfinished work to the user explicitly so nothing important goes unacknowledged. Use at every turn that produces output the user might rely on, not just at "review" or "summary" turns.
+---
+
+# The Hmmm Doctrine: Disclosure of the Liminal
+
+The user can only steer what they can see. Anything you bury — uncertainty, an assumption, an option you picked silently, a step you skipped, a thing that smells off but doesn't have a name yet — is a thing the user cannot correct. Burying it is a betrayal regardless of intent.
+
+The "hmmm" is the noise of something not-quite-settled. Honor it. Name it.
+
+## Disclose by category
+
+### Uncertainties
+
+If you're not confident, say so, and say where the doubt is. "I think X but I'm not sure because Y" beats a confident "X." If you're guessing, the word *guess* must appear.
+
+### Options
+
+If there were two or more reasonable approaches and you picked one, name the others and why you didn't pick them. Silent picking robs the user of input on a real fork.
+
+### Assumptions
+
+Every non-trivial task involves an assumption you weren't given explicit permission to make. Surface them inline: "I assumed you wanted X because Y — flag it if not." This is not asking permission; it's exposing the load-bearing piece for inspection.
+
+### Skipped items
+
+If the user's request had three parts and you did two, say which one you skipped and why. Do not let the third one quietly fall off. The third one is the one they'll remember.
+
+### Unfinished work
+
+If something is in progress, partially built, stubbed, or known-broken, mark it as liminal. Don't let "complete" mean "the part I did." Use a list if there are several. The user keeping their own to-do list against your work because you wouldn't is a failure mode.
+
+### Things requiring acknowledgement
+
+Decisions that depend on the user (auth they need to grant, a secret they need to provide, a design call only they can make) get raised explicitly. Each one with: what's needed, why it's needed, what's blocked without it.
+
+## Format hints
+
+Disclosure does not mean padding. Use the most compact form that lets the user see and act:
+
+- Inline parenthetical for one-off uncertainty: "(I'm guessing on the units here — please confirm)"
+- A short labeled list ("Open questions:", "Liminal:", "Assumed:") when there are 2+ items in a category
+- A separate paragraph only when the disclosure is itself the headline finding
+- Never a wall of caveats that buries the actual answer
+
+## What this is not
+
+- It is not asking permission for things you can decide. Decide, and disclose what you decided.
+- It is not performative humility. "I'm just an AI and might be wrong about anything" is noise, not disclosure. Specific doubt about a specific claim is signal.
+- It is not pre-emptive CYA. "What I deliberately did NOT do" lists every imaginable adjacent task to look thorough. Disclose what's actually relevant to the user's next decision; skip the rest.
+- It is not a reason to stall. Disclose AND proceed. The disclosure rides alongside the work, it doesn't replace it.
+
+## The test
+
+After producing your turn, scan it once for these questions. If any answer is yes, you owe the user a sentence:
+
+1. Is there something I'm not sure about that the user is going to act on as if I were?
+2. Did I pick between options without saying I had a choice?
+3. Did I skip part of the request?
+4. Is anything I'm calling "done" actually only partly done?
+5. Am I assuming something the user never told me?
+6. Is there a decision waiting on the user that I haven't made visible?
+
+Six checks. They take a second. They are the difference between an agent the user can trust to steer and one they have to babysit.
diff --git a/.agents/skills/multimodel-handoff/SKILL.md b/.agents/skills/multimodel-handoff/SKILL.md
new file mode 100644
index 000000000..a5dbc79f1
--- /dev/null
+++ b/.agents/skills/multimodel-handoff/SKILL.md
@@ -0,0 +1,65 @@
+---
+name: multimodel-handoff
+description: Structure JSON payloads for tasks that pass between agents, models, or providers so the receiver can act without re-interpretation. Use whenever you are emitting a payload that will be consumed by a different model/agent than the one producing it.
+---
+
+# Structuring JSON for Multi-Model Task Flows
+
+When two models hand off a task, every ambiguity in the payload becomes a behavioral fork. The goal of the schema is to make ambiguity impossible.
+
+## The five required fields
+
+Every handoff payload, regardless of task type, carries these:
+
+```json
+{
+  "schema_version": "1",
+  "task_id": "tsk-<uuid>",
+  "idempotency_key": "<deterministic hash of inputs>",
+  "originating_agent": "<agent_id>",
+  "target_capability": "<capability_name>",
+  "payload": { ... task-specific ... },
+  "ack_required": true
+}
+```
+
+- `schema_version` — required. A receiver seeing an unknown version refuses rather than guesses.
+- `task_id` — globally unique. Used in logs, retries, error reports.
+- `idempotency_key` — receiver dedupes on this. Critical for at-least-once delivery.
+- `originating_agent` — receiver may apply trust scoping based on origin.
+- `target_capability` — names what the receiver is being asked to do. Not a model name. Not a vendor. A capability.
+- `payload` — task-specific body. See rules below.
+- `ack_required` — if true, receiver must echo `{task_id, status: "received"}` before processing.
+
+## Payload rules
+
+- **No vendor-specific fields in the payload.** `claude_extended_thinking_budget`, `openai_reasoning_effort`, `gemini_thinking_config` belong in a separate `routing` block or in the receiver's local config — never mixed into the task. Vendor coupling at the task level locks you in.
+- **No prose in fields meant for parsing.** If a field is `"due_date"`, it gets ISO-8601, not "next Tuesday or so."
+- **Enums explicit.** `"priority": "high"` is fine if `priority ∈ {low, medium, high}` is documented. `"priority": "pretty important"` is not.
+- **Nullable means absent.** Don't send `"summary": ""` to mean "no summary." Send `"summary": null` or omit the key.
+- **Arrays are ordered if order matters.** Document it. If order doesn't matter, sort canonically before hashing for `idempotency_key`.
+
+## Ack/error pattern
+
+Receiver echoes one of:
+
+```json
+{ "task_id": "tsk-...", "status": "received" }
+{ "task_id": "tsk-...", "status": "rejected", "reason": "schema_version_unsupported" }
+{ "task_id": "tsk-...", "status": "completed", "result": { ... } }
+{ "task_id": "tsk-...", "status": "failed", "error": { "code": "...", "message": "..." } }
+```
+
+`status` values are a closed set. Anything outside the set is a protocol violation and the originator should refuse to interpret.
+
+## Versioning
+
+When the schema needs to change:
+
+- Add a field with a default → bump patch (still version `"1"`).
+- Make a field newly required, or change its meaning → bump major (`"2"`).
+- Receivers MUST refuse versions they don't understand. Forward compatibility through guessing is forbidden.
+
+## What this prevents
+
+The whole reason for this discipline: a payload produced by Claude must be processable by Gemini, GPT-5, or Grok with byte-identical results. If swapping the receiver changes behavior, the payload is leaking vendor assumptions. Treat that as a bug.
diff --git a/.agents/skills/refuse-task/SKILL.md b/.agents/skills/refuse-task/SKILL.md
new file mode 100644
index 000000000..02e2f5d8b
--- /dev/null
+++ b/.agents/skills/refuse-task/SKILL.md
@@ -0,0 +1,47 @@
+---
+name: refuse-task
+description: Recognize when a task assignment must be refused — probable harm, canon violation, scope mismatch, or economic exploitation of the user — and refuse it cleanly. Use before accepting any task whose framing or content triggers any of the refusal categories below.
+---
+
+# Refusing a Task Assignment
+
+Saying yes to a task you should refuse is more harmful than saying no to a task you could have done. The former produces bad output the user will rely on; the latter just produces a turn.
+
+## Refuse if any of these is true
+
+### Probable harm to a person
+
+- Medical advice that could cause injury if wrong (specific dosing for a real patient, drug-interaction guidance, "should I go to the ER" triage where the answer is hedge-hedge-hedge).
+- Legal advice that could cause loss if wrong (specific filing decisions, contract clauses presented as legally adequate, "do I have a case" without a lawyer).
+- Financial guidance presented as advice (specific position sizing, "should I sell now") rather than analysis.
+- Weapons design or synthesis instructions for anything more dangerous than what's already trivially available.
+- Content sexualizing minors. No edge case. No reframing. No.
+- Targeted harassment, doxing, or defamation of an identifiable person.
+
+### Canon violation
+
+The Interdependent Way's first principle is non-harm to the web of dependencies that sustains anyone. A task that would serve the requester at provable cost to others outside the conversation is a canon violation. Refuse and name the dependency that would be harmed.
+
+### Scope mismatch (the silent killer)
+
+- You don't have the data. The honest move is to say so, not to invent it.
+- You don't have the auth. Don't pretend the call would have succeeded.
+- You don't have the capability. "I can outline the structure but I can't actually generate the binary" beats fabricating the binary.
+- You don't have the context. If the task makes no sense without information you weren't given, ask once; if you don't get it, refuse rather than guess.
+
+### Economic exploitation of the user
+
+- The user is paying for your tokens. Generating output you know is filler — long restatements of the prompt, padded analyses, made-up bibliographies, "here's a comprehensive overview" of something that needs a one-liner — is exploitation regardless of intent. Refuse to bulk up. Deliver the actual answer.
+- Don't generate broken code that "looks done" so the turn can close. Stop the turn and say what's blocking.
+
+## How to refuse
+
+- Name the specific reason. "I won't write dosing guidance for a real patient because wrong dosing causes injury" beats "I can't help with that."
+- Offer the nearest legitimate alternative if one exists. "I can summarize the FDA prescribing information in your own words for you to discuss with the prescriber."
+- Don't moralize. The user already knows the abstract category. They want to know what you'll do for them within bounds.
+- Never lie about your reason. "I can't" when you mean "I won't" is dishonest. Say "I won't, because…"
+- Don't pre-emptively refuse a task that wasn't asked. The refusal is for the task in front of you, not the catastrophizing scenario you imagined.
+
+## What refusal is not
+
+Refusal is not the same as asking a clarifying question. If you can do the task with one piece of missing information, ask for it. Refusal is for tasks that shouldn't be done at all, or shouldn't be done by you, or shouldn't be done now without something the user can't give.
diff --git a/.agents/skills/tool-use/SKILL.md b/.agents/skills/tool-use/SKILL.md
new file mode 100644
index 000000000..c49846c38
--- /dev/null
+++ b/.agents/skills/tool-use/SKILL.md
@@ -0,0 +1,43 @@
+---
+name: tool-use
+description: Decide whether to call a tool, which tool to call, and how to recover detail from distilled tool results. Use whenever you face a question whose answer might come from a tool rather than from prior context.
+---
+
+# Tool Use
+
+You have tools because some answers don't live in your context. You also have a finite turn budget and a user paying for tokens. Use tools surgically.
+
+## When NOT to call a tool
+
+- You already know the answer with high confidence and the user is asking a question, not asking you to verify.
+- The user just provided the data in their message. Re-fetching it is theater.
+- The cost of the call exceeds the value of the result. A web_search to confirm a date you're 95% sure of, when wrong-by-one-day doesn't change the user's plan, is waste.
+- You are about to call the same tool with the same arguments you just called it with. The repeat-tool guard will short-circuit you anyway — save the round-trip.
+
+## When to call a tool
+
+- The data is outside your training cutoff (news, prices, current scores, package versions, person's current job).
+- The data is private to the user (their database, their files, their inbox).
+- The user explicitly asked for a fresh fetch.
+- You need to perform an action with side effects (send mail, write to disk, charge a card).
+
+## Selection priority
+
+1. **Native to the system**: storage queries, internal status calls. Cheapest and most authoritative.
+2. **Configured integration**: Linear, Stripe, Google Drive, GitHub. Already wired, scoped, and rate-limit-aware.
+3. **Direct HTTP fetch** to a known endpoint: when you know the URL and shape.
+4. **Web search**: only when you don't know where to look. Most expensive in tokens; results are noisy.
+
+If two tools could satisfy the call, pick the more specific one. `get_user_orders(user_id)` beats `query_database("SELECT * FROM orders WHERE user_id=?")`.
+
+## Working with distilled results
+
+Tool results over ~32 KB get distilled. The distillation header tells you what was compressed and which `call_id` it came from. If the agent reasoning needs detail that the distillation dropped, call `tool_result_fetch(call_id, chunk=N)` to retrieve the original by chunk. Don't re-call the original tool — you'll just pay the same distillation tax again.
+
+Hard-domain distillations (medicine, law, engineering, construction) return a JSON array of `{claim, verbatim, source}` tuples. Treat the `verbatim` field as authoritative quotation; if you paraphrase it in your response, you've defeated the point. Cite the `source`.
+
+## Failure handling
+
+- Tool raised an error: report what failed and why. Don't invent the data.
+- Tool returned empty: that's a finding, not a failure. Say "no results" rather than guessing.
+- Tool timed out: try once more; if it times out again, surface that to the user and stop.

From cdc6d24929440386d0ff7561b11f03ebab4517f2 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sun, 19 Apr 2026 21:26:18 +0000
Subject: [PATCH 38/61] Add ability to retrieve raw tool outputs for deeper
 analysis

Introduces a new `tool_results` table and related functionalities in `models.py`, `tool_executor.py`, and `storage/core.py` to persist raw tool call outputs. A new `tool_result_fetch` function is added to `TOOL_SCHEMAS_CHAT` in `tool_executor.py` to allow agents to retrieve these raw outputs in chunks. The `_maybe_summarize` function is updated to include a `call_id` in the distillation header when available, enabling a drill-down mechanism. The schema is updated in `shared/schema.ts` to reflect the new `toolResults` table.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: a4067d5a-5540-4777-929c-c62c4539f077
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/f8xMZxo
Replit-Helium-Checkpoint-Created: true
---
 python/models.py                 |  18 +++++
 python/services/tool_executor.py | 112 +++++++++++++++++++++++++++++--
 python/storage/core.py           |  37 +++++++++-
 shared/schema.ts                 |  17 +++++
 4 files changed, 176 insertions(+), 8 deletions(-)

diff --git a/python/models.py b/python/models.py
index 2304dfb57..456b42e60 100644
--- a/python/models.py
+++ b/python/models.py
@@ -384,4 +384,22 @@ class WsModule(Base):
     last_swapped_at = Column(DateTime)
     created_at = Column(DateTime, server_default=text("CURRENT_TIMESTAMP"))
     updated_at = Column(DateTime, server_default=text("CURRENT_TIMESTAMP"))
+
+
+class ToolResult(Base):
+    """Persistent store of raw tool-call outputs.
+
+    Distillation compresses large tool results before they go back to the
+    calling model. This table preserves the full original so an agent can
+    later call tool_result_fetch(call_id, chunk=N) to drill back in without
+    paying for a re-execution of the original tool.
+    """
+    __tablename__ = "tool_results"
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    call_id = Column(String(64), nullable=False, unique=True)
+    tool_name = Column(Text, nullable=False)
+    arguments = Column(JSONB)
+    raw_result = Column(Text, nullable=False)
+    result_size_bytes = Column(Integer, nullable=False, server_default="0")
+    created_at = Column(DateTime, nullable=False, server_default=text("CURRENT_TIMESTAMP"))
 # 313:8
diff --git a/python/services/tool_executor.py b/python/services/tool_executor.py
index 4cbbc9c49..e6d449482 100644
--- a/python/services/tool_executor.py
+++ b/python/services/tool_executor.py
@@ -15,6 +15,40 @@
 import httpx
 
 TOOL_SCHEMAS_CHAT = [
+    {
+        "type": "function",
+        "function": {
+            "name": "tool_result_fetch",
+            "description": (
+                "Retrieve detail from a previous tool call's raw result that was "
+                "lost to distillation. Use when a distilled tool result references "
+                "a call_id (in the [distilled via ... call_id=...] header) and you "
+                "need to inspect the original payload. Returns one chunk at a time "
+                "with a header indicating total chunks. Do NOT use to re-fetch "
+                "fresh data — the result is whatever was captured at original call time."
+            ),
+            "parameters": {
+                "type": "object",
+                "properties": {
+                    "call_id": {
+                        "type": "string",
+                        "description": "The call_id from a distillation header (e.g. 'call-a3f81b9c').",
+                    },
+                    "chunk": {
+                        "type": "integer",
+                        "description": "Zero-indexed chunk number to retrieve. Default 0.",
+                        "default": 0,
+                    },
+                    "chunk_size": {
+                        "type": "integer",
+                        "description": "Bytes per chunk. Default 8000 (~2K tokens). Max 32000.",
+                        "default": 8000,
+                    },
+                },
+                "required": ["call_id"],
+            },
+        },
+    },
     {
         "type": "function",
         "function": {
@@ -555,9 +589,13 @@ def _filter_valid_claims(items: list) -> list:
     return out
 
 
-async def _maybe_summarize(name: str, arguments: dict, raw: str) -> str:
+async def _maybe_summarize(
+    name: str, arguments: dict, raw: str, call_id: str | None = None
+) -> str:
     """Pass small results through; distill large ones via a domain-specific
-    skill. Soft domains paraphrase; hard domains return verbatim+citation tuples."""
+    skill. Soft domains paraphrase; hard domains return verbatim+citation tuples.
+    When call_id is provided, the distillation header surfaces it so the
+    calling agent can drill back into the raw via tool_result_fetch."""
     if not isinstance(raw, str):
         raw = str(raw)
     if len(raw) <= _TOOL_RESULT_PASS_TOKENS * 4:
@@ -634,15 +672,17 @@ async def _maybe_summarize(name: str, arguments: dict, raw: str) -> str:
                 if not valid:
                     return _flat_truncate(name, raw)
             text = json.dumps(valid, ensure_ascii=False)
+            cid_part = f" call_id={call_id}" if call_id else ""
             return (
                 f"[distilled via {provider} · {domain} skill (hard, "
                 f"{len(valid)} claims): {len(raw) // 1024} KB → "
-                f"~{len(text) // 1024} KB]\n\n{text}"
+                f"~{len(text) // 1024} KB{cid_part}]\n\n{text}"
             )
 
+        cid_part = f" call_id={call_id}" if call_id else ""
         return (
             f"[distilled via {provider} · {domain} skill: "
-            f"{len(raw) // 1024} KB → ~{len(text) // 1024} KB]\n\n{text}"
+            f"{len(raw) // 1024} KB → ~{len(text) // 1024} KB{cid_part}]\n\n{text}"
         )
     except Exception:
         # Never let the distiller break the tool loop — fall back to flat.
@@ -651,15 +691,41 @@ async def _maybe_summarize(name: str, arguments: dict, raw: str) -> str:
 
 async def execute_tool(name: str, arguments: dict) -> str:
     """Dispatch a tool call and return the result as a plain string.
-    Oversized results are summarized through the active provider's derive
-    pathway before being handed back to the calling model."""
+    Oversized results are persisted (so the agent can drill back via
+    tool_result_fetch) and then distilled before being handed back to the
+    calling model. tool_result_fetch itself is never persisted — it would
+    create infinite recursion."""
     raw = await _execute_tool_inner(name, arguments)
-    return await _maybe_summarize(name, arguments or {}, raw)
+
+    # Generate a short, traceable call_id and persist the raw result if it
+    # would actually be distilled. Skip persistence for the fetch tool itself
+    # (it just reads from the same table) and for results small enough to
+    # pass through verbatim (no detail is lost — nothing to drill back into).
+    call_id: str | None = None
+    if name != "tool_result_fetch" and isinstance(raw, str) and len(raw) > _TOOL_RESULT_PASS_TOKENS * 4:
+        import uuid
+        call_id = f"call-{uuid.uuid4().hex[:12]}"
+        try:
+            from ..storage import storage
+            await storage.save_tool_result(call_id, name, arguments or {}, raw)
+        except Exception as exc:
+            # Persistence failure must not break the tool loop — log and
+            # continue without a call_id (drill-back won't be available).
+            print(f"[tool_results] persist failed for {name} call_id={call_id}: {exc}")
+            call_id = None
+
+    return await _maybe_summarize(name, arguments or {}, raw, call_id)
 
 
 async def _execute_tool_inner(name: str, arguments: dict) -> str:
     """Raw dispatch — returns the tool's unfiltered output."""
     try:
+        if name == "tool_result_fetch":
+            return await _tool_result_fetch(
+                call_id=arguments.get("call_id", ""),
+                chunk=int(arguments.get("chunk", 0) or 0),
+                chunk_size=int(arguments.get("chunk_size", 8000) or 8000),
+            )
         if name == "web_search":
             return await _web_search(arguments.get("query", ""))
         if name == "pcna_infer":
@@ -714,6 +780,38 @@ async def _execute_tool_inner(name: str, arguments: dict) -> str:
         return f"[tool error — {name}: {exc}]"
 
 
+async def _tool_result_fetch(call_id: str, chunk: int = 0, chunk_size: int = 8000) -> str:
+    """Read one chunk of a previously persisted tool result. Surfaces the
+    chunk count so the agent can decide whether to fetch more.
+
+    Bounds: chunk_size is clamped to [1024, 32000]; chunk to [0, n_chunks-1].
+    Returns a header line followed by the raw chunk bytes (decoded as UTF-8
+    with replacement so we never raise on imperfect text)."""
+    if not call_id:
+        return "[tool_result_fetch: missing call_id]"
+    chunk_size = max(1024, min(32000, int(chunk_size)))
+    try:
+        from ..storage import storage
+        row = await storage.get_tool_result(call_id)
+    except Exception as exc:
+        return f"[tool_result_fetch: storage error — {exc}]"
+    if not row:
+        return f"[tool_result_fetch: no result found for call_id={call_id}]"
+    raw = row.get("raw_result") or ""
+    total_bytes = len(raw.encode("utf-8"))
+    n_chunks = max(1, (len(raw) + chunk_size - 1) // chunk_size)
+    chunk = max(0, min(n_chunks - 1, int(chunk)))
+    start = chunk * chunk_size
+    end = start + chunk_size
+    body = raw[start:end]
+    tool_name = row.get("tool_name", "?")
+    return (
+        f"[tool_result_fetch · {tool_name} · call_id={call_id} · "
+        f"chunk {chunk + 1}/{n_chunks} · {total_bytes // 1024} KB total]\n\n"
+        f"{body}"
+    )
+
+
 async def _web_search(query: str) -> str:
     if not query.strip():
         return "[web_search: empty query]"
diff --git a/python/storage/core.py b/python/storage/core.py
index 7202a9777..991e67a23 100644
--- a/python/storage/core.py
+++ b/python/storage/core.py
@@ -8,7 +8,7 @@
 from ..models import (
     Conversation, Message, AutomationTask, CommandHistory,
     A0pEvent, HeartbeatLog, CostMetric, EdcmSnapshot,
-    BanditArm, CustomTool,
+    BanditArm, CustomTool, ToolResult,
 )
 
 
@@ -321,6 +321,41 @@ async def get_cost_summary(self) -> Dict[str, Any]:
             "byConversation": by_conv, "dailyUsage": daily,
         }
 
+    async def save_tool_result(
+        self,
+        call_id: str,
+        tool_name: str,
+        arguments: Optional[dict],
+        raw_result: str,
+    ) -> None:
+        """Persist a raw tool-call output so an agent can drill back into it
+        later via tool_result_fetch. No-op if call_id collides — the row
+        already exists, which is fine (idempotent on the UUID-style call_id)."""
+        async with get_session() as session:
+            existing = await session.execute(
+                select(ToolResult.id).where(ToolResult.call_id == call_id)
+            )
+            if existing.scalar_one_or_none() is not None:
+                return
+            rec = ToolResult(
+                call_id=call_id,
+                tool_name=tool_name,
+                arguments=arguments or {},
+                raw_result=raw_result,
+                result_size_bytes=len(raw_result.encode("utf-8")),
+            )
+            session.add(rec)
+            await session.flush()
+
+    async def get_tool_result(self, call_id: str) -> Optional[Dict[str, Any]]:
+        """Look up a previously persisted tool-call output by its call_id."""
+        async with get_session() as session:
+            result = await session.execute(
+                select(ToolResult).where(ToolResult.call_id == call_id)
+            )
+            row = result.scalar_one_or_none()
+            return _row_to_dict(row) if row else None
+
     async def add_edcm_snapshot(self, snap: Dict[str, Any]) -> Dict[str, Any]:
         async with get_session() as session:
             s = EdcmSnapshot(**snap)
diff --git a/shared/schema.ts b/shared/schema.ts
index ea227776a..92ed7ec22 100644
--- a/shared/schema.ts
+++ b/shared/schema.ts
@@ -550,4 +550,21 @@ export const wsModules = pgTable("ws_modules", {
 });
 
 export type WsModule = typeof wsModules.$inferSelect;
+
+// Persistent store for raw tool-call results so an agent can drill back into
+// detail that the distiller dropped. The distillation header surfaces the
+// call_id; the agent re-fetches via the tool_result_fetch tool.
+export const toolResults = pgTable("tool_results", {
+  id: serial("id").primaryKey(),
+  callId: varchar("call_id", { length: 64 }).notNull().unique("tool_results_call_id_key"),
+  toolName: text("tool_name").notNull(),
+  arguments: jsonb("arguments"),
+  rawResult: text("raw_result").notNull(),
+  resultSizeBytes: integer("result_size_bytes").notNull().default(0),
+  createdAt: timestamp("created_at").default(sql`CURRENT_TIMESTAMP`).notNull(),
+}, (t) => [index("idx_tool_results_created_at").on(t.createdAt)]);
+
+export const insertToolResultSchema = createInsertSchema(toolResults).omit({ id: true, createdAt: true });
+export type ToolResult = typeof toolResults.$inferSelect;
+export type InsertToolResult = z.infer<typeof insertToolResultSchema>;
 // 381:13

From 8400207b837153a6c42885b65514997026a6f2d1 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sun, 19 Apr 2026 21:38:55 +0000
Subject: [PATCH 39/61] Fix 404 errors and display all agent chat histories

Implement a fix for stale conversation IDs causing 404 errors and refactor the chat UI to display nested sub-agent conversations within a hierarchical view.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 9238ebc6-5d47-4c93-afed-df0bb7ff3852
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/XsKORb4
Replit-Helium-Checkpoint-Created: true
---
 client/src/components/chat-widgets.tsx | 127 ++++++++++++++++++++-----
 client/src/pages/chat.tsx              |  33 ++++++-
 2 files changed, 130 insertions(+), 30 deletions(-)

diff --git a/client/src/components/chat-widgets.tsx b/client/src/components/chat-widgets.tsx
index 35d2dd2b7..aaa8827c2 100644
--- a/client/src/components/chat-widgets.tsx
+++ b/client/src/components/chat-widgets.tsx
@@ -6,8 +6,8 @@ import { Textarea } from "@/components/ui/textarea";
 import { ScrollArea } from "@/components/ui/scroll-area";
 import { useToast } from "@/hooks/use-toast";
 import {
-  Plus, Send, Trash2, Loader2, ChevronDown, ChevronUp, Zap, X,
-  Archive, ArchiveRestore,
+  Plus, Send, Trash2, Loader2, ChevronDown, ChevronUp, ChevronRight, Zap, X,
+  Archive, ArchiveRestore, CornerDownRight, AlertTriangle, CheckCircle2,
 } from "lucide-react";
 import { apiRequest } from "@/lib/queryClient";
 import { fmtTokens } from "@/components/chat-messages";
@@ -21,6 +21,8 @@ export interface Conversation {
   total_tokens: number;
   created_at: string;
   updated_at: string;
+  parent_conv_id?: number | null;
+  subagent_status?: string | null;
 }
 
 export function ConversationList({
@@ -39,28 +41,103 @@ export function ConversationList({
   showArchived: boolean;
   onToggleArchived: () => void;
 }) {
-  const ConvItem = ({ c }: { c: Conversation }) => (
-    <div
-      className={cn("group flex items-center justify-between px-2 py-1.5 rounded-md cursor-pointer text-xs transition-colors", c.id === activeId ? "bg-primary/10 text-primary font-medium" : "text-muted-foreground hover:bg-muted")}
-      onClick={() => onSelect(c.id)}
-      data-testid={`conversation-${c.id}`}
-    >
-      <div className="flex-1 min-w-0">
-        <div className="truncate">{c.title || `Conv #${c.id}`}</div>
-        {c.total_tokens > 0 && (
-          <div className="text-[9px] text-muted-foreground/60 mt-0.5" data-testid={`tokens-conv-${c.id}`}>{fmtTokens(c.total_tokens)} tok</div>
-        )}
-      </div>
-      <div className="flex items-center gap-0.5 opacity-0 group-hover:opacity-100 shrink-0 ml-1">
-        <Button size="icon" variant="ghost" className="h-5 w-5" title={c.archived ? "Unarchive" : "Archive"} onClick={(e) => { e.stopPropagation(); onArchive(c.id, !c.archived); }} data-testid={`archive-conversation-${c.id}`}>
-          {c.archived ? <ArchiveRestore className="h-3 w-3" /> : <Archive className="h-3 w-3" />}
-        </Button>
-        <Button size="icon" variant="ghost" className="h-5 w-5" onClick={(e) => { e.stopPropagation(); onDelete(c.id); }} data-testid={`delete-conversation-${c.id}`}>
-          <Trash2 className="h-3 w-3" />
-        </Button>
-      </div>
-    </div>
-  );
+  // Build parent → children map. Top-level rows are conversations whose
+  // parent_conv_id is null OR whose parent isn't in the visible set
+  // (orphans surface at the root rather than vanishing).
+  const idSet = new Set(conversations.map((c) => c.id));
+  const childrenByParent = new Map<number, Conversation[]>();
+  const roots: Conversation[] = [];
+  for (const c of conversations) {
+    const p = c.parent_conv_id;
+    if (p && idSet.has(p)) {
+      const arr = childrenByParent.get(p) ?? [];
+      arr.push(c);
+      childrenByParent.set(p, arr);
+    } else {
+      roots.push(c);
+    }
+  }
+
+  // Sub-agent branches default to expanded so the user can see the full
+  // tree on first load. Manual collapse persists per session via state.
+  const [collapsed, setCollapsed] = useState<Set<number>>(new Set());
+  const toggleCollapse = (id: number) => {
+    setCollapsed((prev) => {
+      const next = new Set(prev);
+      if (next.has(id)) next.delete(id); else next.add(id);
+      return next;
+    });
+  };
+
+  const StatusDot = ({ status }: { status?: string | null }) => {
+    if (!status || status === "done") return <CheckCircle2 className="h-2.5 w-2.5 text-green-500 shrink-0" />;
+    if (status === "running") return <Loader2 className="h-2.5 w-2.5 animate-spin text-primary shrink-0" />;
+    if (status === "error") return <AlertTriangle className="h-2.5 w-2.5 text-destructive shrink-0" />;
+    return null;
+  };
+
+  const ConvItem = ({ c, depth = 0 }: { c: Conversation; depth?: number }) => {
+    // Hard guard against pathological parent-chain cycles in the DB. Real
+    // sub-agent trees are at most a few levels; anything beyond this is
+    // almost certainly bad data and would otherwise blow the stack.
+    if (depth > 10) return null;
+    const kids = childrenByParent.get(c.id) ?? [];
+    const hasKids = kids.length > 0;
+    const isCollapsed = collapsed.has(c.id);
+    const isSubagent = c.parent_conv_id != null;
+
+    return (
+      <>
+        <div
+          className={cn(
+            "group flex items-center gap-1 px-2 py-1.5 rounded-md cursor-pointer text-xs transition-colors",
+            c.id === activeId ? "bg-primary/10 text-primary font-medium" : "text-muted-foreground hover:bg-muted",
+          )}
+          style={{ paddingLeft: `${8 + depth * 12}px` }}
+          onClick={() => onSelect(c.id)}
+          data-testid={`conversation-${c.id}`}
+        >
+          {hasKids ? (
+            <button
+              className="shrink-0 -ml-1 p-0.5 rounded hover:bg-muted-foreground/10"
+              onClick={(e) => { e.stopPropagation(); toggleCollapse(c.id); }}
+              data-testid={`btn-toggle-children-${c.id}`}
+              aria-label={isCollapsed ? "Expand sub-agents" : "Collapse sub-agents"}
+            >
+              {isCollapsed ? <ChevronRight className="h-3 w-3" /> : <ChevronDown className="h-3 w-3" />}
+            </button>
+          ) : isSubagent ? (
+            <CornerDownRight className="h-3 w-3 shrink-0 text-muted-foreground/60" />
+          ) : (
+            <span className="w-3 shrink-0" />
+          )}
+          <div className="flex-1 min-w-0">
+            <div className="flex items-center gap-1">
+              {isSubagent && <StatusDot status={c.subagent_status} />}
+              <span className="truncate">{c.title || `Conv #${c.id}`}</span>
+              {hasKids && (
+                <span className="text-[9px] text-muted-foreground/60 shrink-0" data-testid={`badge-subagent-count-${c.id}`}>
+                  ({kids.length})
+                </span>
+              )}
+            </div>
+            {c.total_tokens > 0 && (
+              <div className="text-[9px] text-muted-foreground/60 mt-0.5" data-testid={`tokens-conv-${c.id}`}>{fmtTokens(c.total_tokens)} tok</div>
+            )}
+          </div>
+          <div className="flex items-center gap-0.5 opacity-0 group-hover:opacity-100 shrink-0 ml-1">
+            <Button size="icon" variant="ghost" className="h-5 w-5" title={c.archived ? "Unarchive" : "Archive"} onClick={(e) => { e.stopPropagation(); onArchive(c.id, !c.archived); }} data-testid={`archive-conversation-${c.id}`}>
+              {c.archived ? <ArchiveRestore className="h-3 w-3" /> : <Archive className="h-3 w-3" />}
+            </Button>
+            <Button size="icon" variant="ghost" className="h-5 w-5" onClick={(e) => { e.stopPropagation(); onDelete(c.id); }} data-testid={`delete-conversation-${c.id}`}>
+              <Trash2 className="h-3 w-3" />
+            </Button>
+          </div>
+        </div>
+        {hasKids && !isCollapsed && kids.map((k) => <ConvItem key={k.id} c={k} depth={depth + 1} />)}
+      </>
+    );
+  };
 
   return (
     <div className="flex flex-col h-full border-r border-border bg-muted/30" data-testid="conversation-list">
@@ -79,7 +156,7 @@ export function ConversationList({
       </div>
       <ScrollArea className="flex-1">
         <div className="flex flex-col gap-0.5 p-2">
-          {conversations.map((c) => <ConvItem key={c.id} c={c} />)}
+          {roots.map((c) => <ConvItem key={c.id} c={c} />)}
           {conversations.length === 0 && (
             <p className="text-xs text-muted-foreground text-center py-4">No conversations</p>
           )}
diff --git a/client/src/pages/chat.tsx b/client/src/pages/chat.tsx
index ea127e392..a3443e5b5 100644
--- a/client/src/pages/chat.tsx
+++ b/client/src/pages/chat.tsx
@@ -54,18 +54,41 @@ export default function ChatPage() {
     refetchInterval: showArchived ? 30_000 : false,
   });
 
+  const clearActiveConv = () => {
+    localStorage.removeItem(CONV_KEY);
+    setActiveConvId(null);
+  };
+
   const { data: messages = [], isLoading: msgsLoading } = useQuery<Message[]>({
     queryKey: ["/api/v1/conversations", activeConvId, "messages"],
     enabled: !!activeConvId,
     refetchInterval: 5_000,
+    retry: false,
+    queryFn: async () => {
+      const res = await apiRequest("GET", `/api/v1/conversations/${activeConvId}/messages`);
+      if (res.status === 404) {
+        // Stale localStorage id — drop it and let auto-select pick a fresh one.
+        clearActiveConv();
+        return [];
+      }
+      if (!res.ok) throw new Error(await res.text());
+      return res.json();
+    },
   });
 
   useEffect(() => {
-    if (conversations.length > 0 && !conversations.find((c) => c.id === activeConvId)) {
-      const found = archivedConvs.find((c) => c.id === activeConvId);
-      if (!found) selectConv(conversations[0].id);
-    }
-  }, [conversations, activeConvId]);
+    // Only run validation once the conversations list has actually loaded.
+    if (convsLoading || !activeConvId) return;
+    const inActive = conversations.some((c) => c.id === activeConvId);
+    if (inActive) return;
+    const inArchived = archivedConvs.some((c) => c.id === activeConvId);
+    if (inArchived) return;
+    // Active id refers to a conversation we can't see — clear it. If there
+    // are other conversations, jump to the most recent; otherwise leave
+    // empty (user will land on the "Start a conversation" card).
+    if (conversations.length > 0) selectConv(conversations[0].id);
+    else clearActiveConv();
+  }, [conversations, archivedConvs, activeConvId, convsLoading]);
 
   useEffect(() => {
     if (scrollRef.current) scrollRef.current.scrollTop = scrollRef.current.scrollHeight;

From 99324350efadd23e98bb1b4a54277035437bb649 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sun, 19 Apr 2026 21:43:45 +0000
Subject: [PATCH 40/61] Published your App

Replit-Commit-Author: Deployment
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: cb687fa7-66e6-405f-bcce-62a6588de4f3
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/XsKORb4
Replit-Commit-Deployment-Build-Id: b459af82-716a-403d-b60c-76eaa718299d
Replit-Helium-Checkpoint-Created: true

From 9d332c5ce16bbe31f44af1d74458150192510f30 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sun, 19 Apr 2026 21:47:48 +0000
Subject: [PATCH 41/61] Add a new tab to view liminal system states and items

Implements a new 'Liminals' tab by adding a backend route (`python/routes/liminals.py`) that aggregates data from existing endpoints, and a frontend component (`client/src/components/LiminalsTab.tsx`) to display this data. The tab is registered in the console UI (`client/src/pages/console.tsx`) and module list (`python/routes/__init__.py`).

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 787017ae-49f8-4533-84a2-ed206cdd4c9c
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/q9LYd3N
Replit-Helium-Checkpoint-Created: true
---
 client/src/components/LiminalsTab.tsx | 201 ++++++++++++++++++++++++++
 client/src/pages/console.tsx          |   2 +
 python/routes/__init__.py             |   3 +
 python/routes/liminals.py             | 124 ++++++++++++++++
 4 files changed, 330 insertions(+)
 create mode 100644 client/src/components/LiminalsTab.tsx
 create mode 100644 python/routes/liminals.py

diff --git a/client/src/components/LiminalsTab.tsx b/client/src/components/LiminalsTab.tsx
new file mode 100644
index 000000000..d0549bb9c
--- /dev/null
+++ b/client/src/components/LiminalsTab.tsx
@@ -0,0 +1,201 @@
+import { useState } from "react";
+import { useQuery } from "@tanstack/react-query";
+import { Link } from "wouter";
+import {
+  Hourglass,
+  ChevronDown,
+  ChevronRight,
+  Loader2,
+  AlertTriangle,
+  Inbox,
+  CornerDownRight,
+} from "lucide-react";
+import { Badge } from "@/components/ui/badge";
+import { Card } from "@/components/ui/card";
+import TabShell from "@/components/TabShell";
+
+interface CategoryItem {
+  id: number | string;
+  title?: string;
+  summary?: string;
+  name?: string;
+  status?: string;
+  parent_conv_id?: number | null;
+  started_at?: string | null;
+  updated_at?: string | null;
+  created_at?: string | null;
+}
+
+interface Category {
+  id: string;
+  label: string;
+  description: string;
+  count: number;
+  items: CategoryItem[];
+}
+
+interface LiminalsResponse {
+  categories: Category[];
+  total: number;
+}
+
+function relTime(iso?: string | null): string {
+  if (!iso) return "";
+  const t = new Date(iso).getTime();
+  if (Number.isNaN(t)) return "";
+  const s = Math.max(0, Math.floor((Date.now() - t) / 1000));
+  if (s < 60) return `${s}s ago`;
+  if (s < 3600) return `${Math.floor(s / 60)}m ago`;
+  if (s < 86400) return `${Math.floor(s / 3600)}h ago`;
+  return `${Math.floor(s / 86400)}d ago`;
+}
+
+function ItemRow({ category, item }: { category: string; item: CategoryItem }) {
+  const ts = item.started_at || item.updated_at || item.created_at;
+  const stamp = relTime(ts);
+
+  // Click destination: archived & sub-agent convs jump to chat with that conv;
+  // ws_modules jump to that tab in the console; drafts have no destination yet.
+  let body = (
+    <div className="flex items-start justify-between gap-3 px-3 py-2 hover-elevate active-elevate-2 rounded-md">
+      <div className="min-w-0 flex-1">
+        <div className="flex items-center gap-2 text-sm truncate">
+          {category === "pending_subagents" && item.parent_conv_id != null && (
+            <CornerDownRight className="h-3.5 w-3.5 text-muted-foreground shrink-0" />
+          )}
+          <span className="truncate" data-testid={`liminal-item-title-${category}-${item.id}`}>
+            {item.title || item.name || item.summary || `#${item.id}`}
+          </span>
+          {item.status && (
+            <Badge variant="outline" className="text-[10px] py-0 h-4 shrink-0">
+              {item.status}
+            </Badge>
+          )}
+        </div>
+        {category === "pending_subagents" && item.parent_conv_id != null && (
+          <div className="text-[11px] text-muted-foreground mt-0.5">
+            parent conv #{item.parent_conv_id}
+          </div>
+        )}
+      </div>
+      {stamp && (
+        <span className="text-[11px] text-muted-foreground shrink-0 tabular-nums">{stamp}</span>
+      )}
+    </div>
+  );
+
+  if (category === "archived_conversations" || category === "pending_subagents") {
+    return (
+      <Link
+        href="/"
+        onClick={() => {
+          try {
+            localStorage.setItem("a0p_active_conv_id", String(item.id));
+          } catch {}
+        }}
+        data-testid={`liminal-link-${category}-${item.id}`}
+      >
+        {body}
+      </Link>
+    );
+  }
+  if (category === "inactive_ws_modules") {
+    return (
+      <Link
+        href="/console"
+        onClick={() => {
+          try {
+            localStorage.setItem("a0p_active_tab", "ws_modules");
+          } catch {}
+        }}
+        data-testid={`liminal-link-${category}-${item.id}`}
+      >
+        {body}
+      </Link>
+    );
+  }
+  return <div data-testid={`liminal-item-${category}-${item.id}`}>{body}</div>;
+}
+
+function CategoryBlock({ cat }: { cat: Category }) {
+  const [open, setOpen] = useState(cat.count > 0);
+  return (
+    <Card className="overflow-hidden" data-testid={`liminal-category-${cat.id}`}>
+      <button
+        type="button"
+        onClick={() => setOpen((v) => !v)}
+        className="w-full flex items-center justify-between gap-2 px-3 py-2 hover-elevate active-elevate-2"
+        data-testid={`liminal-toggle-${cat.id}`}
+      >
+        <div className="flex items-center gap-2 min-w-0">
+          {open ? (
+            <ChevronDown className="h-4 w-4 text-muted-foreground shrink-0" />
+          ) : (
+            <ChevronRight className="h-4 w-4 text-muted-foreground shrink-0" />
+          )}
+          <span className="text-sm font-medium truncate">{cat.label}</span>
+        </div>
+        <Badge variant={cat.count > 0 ? "default" : "secondary"} data-testid={`liminal-count-${cat.id}`}>
+          {cat.count}
+        </Badge>
+      </button>
+      {open && (
+        <div className="border-t border-border">
+          <p className="text-[11px] text-muted-foreground px-3 pt-2">{cat.description}</p>
+          {cat.items.length === 0 ? (
+            <div className="flex items-center gap-2 px-3 py-3 text-xs text-muted-foreground">
+              <Inbox className="h-3.5 w-3.5" />
+              <span>None</span>
+            </div>
+          ) : (
+            <div className="p-1">
+              {cat.items.map((it) => (
+                <ItemRow key={`${cat.id}-${it.id}`} category={cat.id} item={it} />
+              ))}
+            </div>
+          )}
+        </div>
+      )}
+    </Card>
+  );
+}
+
+export default function LiminalsTab() {
+  const { data, isLoading, isFetching, error, refetch } = useQuery<LiminalsResponse>({
+    queryKey: ["/api/v1/liminals"],
+    refetchInterval: 15000,
+  });
+
+  return (
+    <TabShell label="Liminals" icon="Hourglass" onRefresh={() => refetch()} isRefreshing={isFetching}>
+      <div className="flex-1 overflow-auto p-3 space-y-2" data-testid="liminals-body">
+        <div className="flex items-center gap-2 text-xs text-muted-foreground px-1">
+          <Hourglass className="h-3.5 w-3.5" />
+          <span>
+            In-between system states.{" "}
+            {data && (
+              <span className="tabular-nums" data-testid="liminals-total">
+                {data.total} item{data.total === 1 ? "" : "s"}
+              </span>
+            )}
+          </span>
+        </div>
+
+        {isLoading && (
+          <div className="flex items-center justify-center py-12 text-muted-foreground" data-testid="liminals-loading">
+            <Loader2 className="h-5 w-5 animate-spin" />
+          </div>
+        )}
+
+        {error && (
+          <div className="flex items-center gap-2 p-3 text-sm text-destructive" data-testid="liminals-error">
+            <AlertTriangle className="h-4 w-4" />
+            <span>Failed to load liminals.</span>
+          </div>
+        )}
+
+        {data?.categories.map((cat) => <CategoryBlock key={cat.id} cat={cat} />)}
+      </div>
+    </TabShell>
+  );
+}
diff --git a/client/src/pages/console.tsx b/client/src/pages/console.tsx
index b133b4719..246d26b15 100644
--- a/client/src/pages/console.tsx
+++ b/client/src/pages/console.tsx
@@ -14,6 +14,7 @@ import SigmaTab from "@/components/SigmaTab";
 import AgentsTab from "@/components/AgentsTab";
 import CliKeysTab from "@/components/CliKeysTab";
 import ForgeTab from "@/components/ForgeTab";
+import LiminalsTab from "@/components/LiminalsTab";
 import type { TabDef } from "@/hooks/use-ui-structure";
 
 const STORAGE_KEY = "a0p_active_tab";
@@ -30,6 +31,7 @@ export const CUSTOM_TAB_RENDERERS: Record<string, ComponentType> = {
   agents: AgentsTab,
   cli_keys: CliKeysTab,
   forge: ForgeTab,
+  liminals: LiminalsTab,
 };
 
 function MissingRendererError({ tabId }: { tabId: string }) {
diff --git a/python/routes/__init__.py b/python/routes/__init__.py
index 3571911d2..f6b6b1050 100644
--- a/python/routes/__init__.py
+++ b/python/routes/__init__.py
@@ -24,6 +24,7 @@
 from .focus import router as focus_router
 from .forge import router as forge_router
 from .energy import router as energy_router, pcna_router as energy_pcna_router
+from .liminals import router as liminals_router
 
 ALL_ROUTERS = [
     chat_router,
@@ -53,6 +54,7 @@
     forge_router,
     energy_router,
     energy_pcna_router,
+    liminals_router,
 ]
 
 
@@ -79,6 +81,7 @@ def collect_ui_meta() -> list[dict]:
         "python.routes.editable_schema",
         "python.routes.cli",
         "python.routes.forge",
+        "python.routes.liminals",
     ]
     tabs = []
     for mod_name in modules:
diff --git a/python/routes/liminals.py b/python/routes/liminals.py
new file mode 100644
index 000000000..5ce447e94
--- /dev/null
+++ b/python/routes/liminals.py
@@ -0,0 +1,124 @@
+from fastapi import APIRouter, HTTPException, Request
+
+from ..storage import storage
+
+# DOC module: liminals
+# DOC label: Liminals
+# DOC description: Aggregated view of in-between system states — running sub-agents, unpromoted discovery drafts, archived conversations, and inactive ws modules. Read-only convenience surface; each item links back to its native tab.
+# DOC tier: free
+# DOC endpoint: GET /api/v1/liminals | Aggregated liminal items grouped by category
+
+UI_META = {
+    "tab_id": "liminals",
+    "label": "Liminals",
+    "icon": "Hourglass",
+    "order": 8,
+}
+
+router = APIRouter(prefix="/api/v1", tags=["liminals"])
+
+
+def _require_uid(request: Request) -> str:
+    uid = request.headers.get("x-user-id", "").strip()
+    if not uid:
+        raise HTTPException(status_code=401, detail="Authentication required")
+    return uid
+
+
+@router.get("/liminals")
+async def get_liminals(request: Request):
+    uid = _require_uid(request)
+
+    # 1) Pending sub-agents (conversations with subagent_status='running')
+    try:
+        all_convs = await storage.list_conversations(uid)
+    except Exception:
+        all_convs = []
+    pending_subagents = [
+        {
+            "id": c.get("id"),
+            "title": c.get("title") or f"Conversation {c.get('id')}",
+            "parent_conv_id": c.get("parent_conv_id"),
+            "started_at": c.get("created_at") or c.get("updated_at"),
+        }
+        for c in all_convs
+        if (c.get("subagent_status") or "").lower() == "running"
+    ]
+
+    # 2) Archived conversations (most recent 25)
+    archived = [
+        {
+            "id": c.get("id"),
+            "title": c.get("title") or f"Conversation {c.get('id')}",
+            "updated_at": c.get("updated_at"),
+        }
+        for c in all_convs
+        if c.get("archived")
+    ][:25]
+
+    # 3) Unpromoted discovery drafts
+    try:
+        drafts_raw = await storage.get_discovery_drafts(limit=50)
+    except Exception:
+        drafts_raw = []
+    drafts = [
+        {
+            "id": d.get("id"),
+            "summary": d.get("summary") or d.get("content") or "(no summary)",
+            "created_at": d.get("created_at"),
+        }
+        for d in drafts_raw
+        if not d.get("promoted_to_conversation")
+    ]
+
+    # 4) Inactive / errored ws_modules
+    try:
+        ws_mods = await storage.list_ws_modules()
+    except Exception:
+        ws_mods = []
+    inactive_modules = [
+        {
+            "id": m.get("id"),
+            "name": m.get("name") or m.get("module_id") or f"Module {m.get('id')}",
+            "status": m.get("status"),
+            "updated_at": m.get("updated_at"),
+        }
+        for m in ws_mods
+        if (m.get("status") or "").lower() in ("inactive", "error", "errored", "disabled")
+    ]
+
+    categories = [
+        {
+            "id": "pending_subagents",
+            "label": "Running sub-agents",
+            "description": "Sub-agent conversations whose work has not yet completed.",
+            "items": pending_subagents,
+            "count": len(pending_subagents),
+        },
+        {
+            "id": "discovery_drafts",
+            "label": "Unpromoted drafts",
+            "description": "Discovery drafts that have not been promoted to a real conversation.",
+            "items": drafts,
+            "count": len(drafts),
+        },
+        {
+            "id": "archived_conversations",
+            "label": "Archived conversations",
+            "description": "Conversations you have archived but not deleted.",
+            "items": archived,
+            "count": len(archived),
+        },
+        {
+            "id": "inactive_ws_modules",
+            "label": "Inactive ws modules",
+            "description": "Authored ws modules that are not currently mounted into the live router.",
+            "items": inactive_modules,
+            "count": len(inactive_modules),
+        },
+    ]
+
+    return {
+        "categories": categories,
+        "total": sum(c["count"] for c in categories),
+    }

From 2f79d7a854547100a342360d380c0ee90cc0e8a4 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Sun, 19 Apr 2026 21:50:44 +0000
Subject: [PATCH 42/61] Fix login page display issues and improve website
 building diagnostics

Address layout problems on the login page by conditionally scrolling and add a diagnostic checklist to the website building skill.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 84350da3-03d2-4e51-8f54-700a61a8e7cc
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/nwOw1uj
Replit-Helium-Checkpoint-Created: true
---
 .agents/skills/build-website/SKILL.md | 35 +++++++++++++++++++++++++++
 client/src/pages/login.tsx            |  3 ++-
 2 files changed, 37 insertions(+), 1 deletion(-)

diff --git a/.agents/skills/build-website/SKILL.md b/.agents/skills/build-website/SKILL.md
index 6b26e74b8..72ab96bbb 100644
--- a/.agents/skills/build-website/SKILL.md
+++ b/.agents/skills/build-website/SKILL.md
@@ -44,3 +44,38 @@ Decisions made earlier in this list constrain decisions made later. Don't pick a
 ## How to know it's done
 
 Hand it to someone who has never seen it. Ask them to do the one thing the page is for. If they do it without help, you're done. If they ask "what is this for?", you're not.
+
+## Diagnosing display issues
+
+When a page "doesn't display right," do not start tweaking styles. Identify the category first.
+
+### 1. Look at the page before touching it
+
+- Take a screenshot at the actual breakpoint that's broken (mobile = 360px wide, not desktop).
+- Check the browser console for errors and warnings. A blank or partial page is almost always a JS error, a 401/404 on a critical fetch, or a render exception in a child swallowed by an error boundary.
+- Compare the DOM in devtools to the source. If a component is in the source but missing in the DOM, something short-circuited the render. If it's in the DOM but invisible, it's a layout/visibility/scroll problem.
+
+### 2. Categorize the symptom
+
+- **Content cut off at the top or sides** → scroll position issue, not a styling issue. Look for `scrollIntoView`, `scrollTo`, `focus({preventScroll: false})`, or anchor links firing on mount. Auto-scroll inside a child often scrolls the page-level scroll container too.
+- **Content cut off at the bottom on mobile only** → `100vh` instead of `100dvh`, or a fixed bottom bar overlapping content without bottom padding/safe-area inset.
+- **Whole page is just whitespace** → render exception, error boundary swallowed it, or auth redirect loop. Check console + network tab.
+- **Content centered but framing/header missing** → the page is rendering, but you're scrolled past the header. Check #1.
+- **Layout shifts after load** → image/embed without reserved dimensions, or a font swap, or a late-arriving query result reflowing the layout.
+- **Looks fine on desktop, broken on phone** → fixed widths, `min-w-*` larger than 360, horizontal overflow from a single wide child (often a `<pre>`, table, or long URL).
+- **Looks fine logged in, broken logged out** (or vice versa) → conditional render branch you didn't test. Re-screenshot in both states.
+
+### 3. Common React-specific traps
+
+- `useEffect` with `scrollIntoView` runs on mount even with empty data. Gate it on a meaningful condition (`if (items.length === 0) return`).
+- `min-h-screen` inside a parent with `h-dvh overflow-hidden` makes the child taller than its container, forcing inner scroll. The page then auto-scrolls the moment any focus or scrollIntoView fires.
+- Conditional rendering of a sibling with `useEffect` side-effects can scroll/focus the page before the user sees it.
+- A late-mounting `<Toaster />`, `<Tooltip>`, or portal can shift focus and trigger scroll.
+
+### 4. Fix the cause, not the symptom
+
+- If the page scrolls on load: don't add `scroll-mt-*` to the title. Find what's scrolling and stop it.
+- If a layout overflows: don't add `overflow-hidden` to hide it. Find the wide child and constrain it.
+- If a section is invisible: don't bump z-index or opacity. Find what's covering or hiding it.
+
+Symptom-fixes accumulate. Cause-fixes don't.
diff --git a/client/src/pages/login.tsx b/client/src/pages/login.tsx
index 0822bb4e1..b236a343e 100644
--- a/client/src/pages/login.tsx
+++ b/client/src/pages/login.tsx
@@ -42,7 +42,8 @@ function GuestChat() {
   }, []);
 
   useEffect(() => {
-    bottomRef.current?.scrollIntoView({ behavior: "smooth" });
+    if (messages.length === 0) return;
+    bottomRef.current?.scrollIntoView({ behavior: "smooth", block: "nearest" });
   }, [messages]);
 
   async function send() {

From 0a737b413e7101306a38e470f1cd71da43e4db87 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Mon, 20 Apr 2026 01:16:13 +0000
Subject: [PATCH 43/61] Published your App

Replit-Commit-Author: Deployment
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 4cb483eb-7354-4445-adac-382d7fd635a3
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/nwOw1uj
Replit-Commit-Deployment-Build-Id: e822669d-eca5-480c-9098-fc5bf0a39786
Replit-Helium-Checkpoint-Created: true

From 0a7843d99799fecc48408743a25c7e21bfffeb9c Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Mon, 20 Apr 2026 01:22:43 +0000
Subject: [PATCH 44/61] Add a system for discovering and loading agent skills

Integrate new tools for skill discovery and loading, and condense existing skills into a new format.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: f365a6f5-4d65-4f48-b438-9885118abdfe
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/keMXJ3N
Replit-Helium-Checkpoint-Created: true
---
 .agents/skills/a0-deep-research/SKILL.md      | 105 +++++++++++
 .agents/skills/a0-file-converter/SKILL.md     |  62 +++++++
 .../skills/a0-github-solution-finder/SKILL.md |  83 +++++++++
 .../skills/a0-infographic-builder/SKILL.md    |  85 +++++++++
 python/services/inference.py                  |  19 +-
 python/services/tool_executor.py              | 174 ++++++++++++++++++
 6 files changed, 523 insertions(+), 5 deletions(-)
 create mode 100644 .agents/skills/a0-deep-research/SKILL.md
 create mode 100644 .agents/skills/a0-file-converter/SKILL.md
 create mode 100644 .agents/skills/a0-github-solution-finder/SKILL.md
 create mode 100644 .agents/skills/a0-infographic-builder/SKILL.md

diff --git a/.agents/skills/a0-deep-research/SKILL.md b/.agents/skills/a0-deep-research/SKILL.md
new file mode 100644
index 000000000..04a8fce65
--- /dev/null
+++ b/.agents/skills/a0-deep-research/SKILL.md
@@ -0,0 +1,105 @@
+---
+name: deep-research
+description: Conduct thorough, multi-source research with structured reports, source triangulation, and credibility scoring. Use for multi-angle analysis, market/industry surveys, due diligence, technology evaluation, and any request that demands more than a 1-2 search lookup.
+triggers: ["research", "deep dive", "investigate", "white paper", "due diligence", "literature review", "state of the art", "competitive landscape", "market analysis", "fact-check", "what does the research say"]
+---
+
+# Deep Research (a0 port)
+
+Conduct comprehensive, multi-source research and synthesize it into a structured report with citations and source credibility ratings.
+
+## When to use
+
+- "Research this," "do a deep dive," "investigate," "white paper on..."
+- Industry/market analysis, competitive landscape, due diligence on private companies
+- Decision support: pros/cons, risks, strategy benchmarking
+- Verification: fact-check, conflicting-claim resolution, multi-angle review
+- Literature review, state-of-the-art technology survey
+
+## When NOT to use
+
+- Simple factual lookups (1-2 searches) → call `web_search` directly
+- Searching the user's data the agent already holds → query that directly
+- Stock tickers / public-company financials → that's a separate concern; research can support it but is not the primary tool
+
+## Depth tiers
+
+| Tier | Sub-agents | Min sources | When |
+|---|---|---|---|
+| Quick | 2 | 6 | Focused single-domain question |
+| Standard | 4 | 12 | Most requests |
+| Deep | 5 + 1 gap-fill pass | 20 | Critical decisions, comprehensive reviews |
+
+Default to **Standard** when the user does not specify.
+
+## Procedure
+
+### 1. Scope (always, before any search)
+
+Write down, in your own scratch, the answer to:
+
+- What is the user actually trying to decide or learn?
+- What's the audience and tone? (technical / executive / lay)
+- What's the time horizon? (current state / 1-2y trend / historical)
+- What are the 3-7 sub-questions the report must answer?
+
+If you can't write these in one paragraph, ask the user one clarifying question. One, not three.
+
+### 2. Plan parallel sub-agents
+
+For Standard or Deep, use `sub_agent_spawn` to fan out the sub-questions. Each sub-agent gets:
+
+- A single sub-question
+- An explicit source-count target (e.g. "find 4-6 distinct sources")
+- A constraint to return cited findings in the format below, not prose
+
+### 3. Search and triangulate
+
+Each finding must come from at least 2 independent sources where possible. Independent = different organizations, not different URLs from the same publisher.
+
+Rate each source on three axes (1-5):
+
+- **Authority** — primary source / peer-reviewed / official > journalism > blog > forum
+- **Recency** — within the relevant time horizon
+- **Bias risk** — funding, ownership, ideological framing
+
+Drop or flag findings whose only source rates ≤2 on Authority.
+
+### 4. Synthesize
+
+After sub-agents return (`sub_agent_merge`), produce the report:
+
+```
+# Title
+
+## TL;DR
+3-5 bullets. The actual answer to the user's question.
+
+## Key findings
+For each sub-question:
+- Finding (1-2 sentences)
+- Evidence: [source 1], [source 2]
+- Confidence: high / medium / low (with one-line reason)
+
+## Conflicts and uncertainties
+List anything where sources disagree, with both sides cited.
+
+## Sources
+Numbered list. Each: title, publisher, date, URL, authority/recency/bias scores.
+```
+
+### 5. Stop conditions
+
+Stop when any of these is true:
+- All sub-questions have ≥2 independent sources
+- The marginal next source adds no new information
+- The user's deadline / token budget is reached
+
+Do NOT keep researching to feel thorough. Diminishing-returns research wastes the user's tokens.
+
+## Anti-patterns
+
+- Citing the same publisher multiple times and calling it "triangulated"
+- Reporting "no information found" without naming what you searched
+- Padding the report with section headers that have no findings under them
+- Burying the actual answer below 800 words of context
diff --git a/.agents/skills/a0-file-converter/SKILL.md b/.agents/skills/a0-file-converter/SKILL.md
new file mode 100644
index 000000000..db6f312e4
--- /dev/null
+++ b/.agents/skills/a0-file-converter/SKILL.md
@@ -0,0 +1,62 @@
+---
+name: file-converter
+description: Recipes for converting, merging, splitting, and compressing files across formats — documents (PDF/DOCX/MD), data (CSV/JSON/Excel/Parquet/YAML/XML), images (PNG/JPEG/WebP/SVG), audio (MP3/WAV/FLAC/M4A), and archives (ZIP/TAR).
+triggers: ["convert", "convert this", "convert to", "transform", "export as", "merge files", "split file", "compress", "extract zip", "csv to", "json to", "pdf to", "docx to", "image to", "audio to"]
+---
+
+# File Converter (a0 port)
+
+a0 cannot run shell commands or write files directly. This skill teaches a0 to give the user one-line, copy-pasteable conversion commands using widely-installed tools, picking the simplest tool for the job.
+
+## Decision rule
+
+Always prefer **one** of these (in order):
+
+1. Python stdlib — needs nothing extra
+2. Python with one well-known dep (`pandas`, `pillow`, `pyyaml`)
+3. `ffmpeg` for audio/video
+4. `pandoc` for documents
+5. `imagemagick` (`convert`) for image batch ops
+
+Avoid suggesting heavy frameworks (Spark, ImageMagick scripts) for one-off conversions.
+
+## Format → tool map
+
+| From → To | Tool | One-liner |
+|---|---|---|
+| CSV → JSON | python | `python -c "import pandas as pd; pd.read_csv('in.csv').to_json('out.json', orient='records', indent=2)"` |
+| CSV → Excel | python+openpyxl | `python -c "import pandas as pd; pd.read_csv('in.csv').to_excel('out.xlsx', index=False)"` |
+| CSV → Parquet | python+pyarrow | `python -c "import pandas as pd; pd.read_csv('in.csv').to_parquet('out.parquet')"` |
+| JSON → CSV | python | `python -c "import pandas as pd; pd.read_json('in.json').to_csv('out.csv', index=False)"` |
+| Excel → CSV | python | `python -c "import pandas as pd; pd.read_excel('in.xlsx').to_csv('out.csv', index=False)"` |
+| YAML ↔ JSON | python+pyyaml | `python -c "import yaml,json,sys; print(json.dumps(yaml.safe_load(open('in.yaml'))))" > out.json` |
+| XML → dict/JSON | python+xmltodict | `python -c "import xmltodict,json; print(json.dumps(xmltodict.parse(open('in.xml').read())))"` |
+| MD → PDF | pandoc | `pandoc in.md -o out.pdf` |
+| MD → DOCX | pandoc | `pandoc in.md -o out.docx` |
+| DOCX → MD | pandoc | `pandoc in.docx -o out.md` |
+| HTML → PDF | wkhtmltopdf | `wkhtmltopdf in.html out.pdf` |
+| PNG ↔ JPEG | python+pillow | `python -c "from PIL import Image; Image.open('in.png').convert('RGB').save('out.jpg')"` |
+| Image → WebP | python+pillow | `python -c "from PIL import Image; Image.open('in.png').save('out.webp', 'WEBP', quality=85)"` |
+| Resize image | pillow | `python -c "from PIL import Image; Image.open('in.png').resize((800,600)).save('out.png')"` |
+| MP3 ↔ WAV | ffmpeg | `ffmpeg -i in.mp3 out.wav` |
+| Any → MP3 | ffmpeg | `ffmpeg -i in.flac -b:a 192k out.mp3` |
+| Trim audio | ffmpeg | `ffmpeg -i in.mp3 -ss 00:00:10 -to 00:01:30 -c copy out.mp3` |
+| ZIP folder | python | `python -c "import shutil; shutil.make_archive('out', 'zip', 'folder/')"` |
+| Unzip | python | `python -c "import zipfile; zipfile.ZipFile('in.zip').extractall('out/')"` |
+| Merge PDFs | python+pypdf | `python -c "from pypdf import PdfWriter; w=PdfWriter(); [w.append(f) for f in ['a.pdf','b.pdf']]; w.write('merged.pdf')"` |
+| Split PDF | python+pypdf | `python -c "from pypdf import PdfReader,PdfWriter; r=PdfReader('in.pdf'); [PdfWriter().add_page(r.pages[i]).write(f'page-{i}.pdf') for i in range(len(r.pages))]"` |
+
+## Procedure
+
+1. Identify source format and target format.
+2. Pick the row from the table. If the conversion is not in the table, fall back to: `pandoc` for documents, `ffmpeg` for media, `pandas` for tabular data.
+3. Show the install line first if the user likely doesn't have the tool: `pip install pandas openpyxl`.
+4. Show the one-liner with the actual filenames the user mentioned.
+5. State the one most-likely failure mode (encoding, missing dep, large-file memory).
+
+## Anti-patterns
+
+- Suggesting an online converter — the user is on a Replit shell; keep it local
+- Multi-step pipelines when one tool can do it
+- Lossy default conversions (e.g. JPEG quality 50) without warning
+- Recommending `cat`/`grep` for binary formats
diff --git a/.agents/skills/a0-github-solution-finder/SKILL.md b/.agents/skills/a0-github-solution-finder/SKILL.md
new file mode 100644
index 000000000..2bd5da1a1
--- /dev/null
+++ b/.agents/skills/a0-github-solution-finder/SKILL.md
@@ -0,0 +1,83 @@
+---
+name: github-solution-finder
+description: Find battle-tested open-source libraries on GitHub instead of building from scratch. Use GitHub's search operators for precise discovery, then evaluate candidates on activity, license, and fitness.
+triggers: ["library for", "package for", "is there a library", "find a library", "any open source", "github project", "alternative to", "instead of writing", "before i build"]
+---
+
+# GitHub Solution Finder (a0 port)
+
+Before writing custom code for a problem someone has surely solved already, search GitHub. This skill teaches a0 to use GitHub's search operators precisely and to evaluate candidates fairly.
+
+## When to use
+
+- The user is about to ask a0 to write something nontrivial (auth, parser, image pipeline, scheduler, etc.)
+- The user explicitly asks "is there a library for…?" or "what's the best package for…?"
+- a0 is about to recommend rolling its own solution to a generic problem
+
+## When NOT to use
+
+- Truly bespoke business logic
+- One-off scripts where a dependency would be heavier than the code
+- The user explicitly wants to learn by building it themselves
+
+## Search operators (combine with spaces = AND)
+
+| Operator | Example | Effect |
+|---|---|---|
+| `stars:>N` | `stars:>1000` | More than N stars |
+| `language:X` | `language:python` | Primary language |
+| `pushed:>DATE` | `pushed:>2025-06-01` | **Key freshness signal** — commits after date |
+| `created:>DATE` | `created:>2024-01-01` | Repo created after date |
+| `topic:X` | `topic:cli` | Tagged with topic |
+| `license:mit` | `license:apache-2.0` | License filter |
+| `archived:false` | — | Exclude abandoned |
+| `is:public` | — | Public repos only |
+
+Use the `web_search` tool with the query `site:github.com "<term>" stars:>500 pushed:>2025-01-01` for free-text discovery. Use the `github_api` tool for direct API queries when you need structured data.
+
+## Evaluation rubric
+
+Score each candidate (1-5 each):
+
+- **Activity** — last commit within 6 months = 5; within 12 = 4; >24 = 1
+- **Adoption** — stars + dependents + downloads (npm/PyPI/crates)
+- **Health** — open-issue ratio, PRs merged, release cadence
+- **License** — permissive (MIT/Apache-2/BSD) = 5; copyleft (GPL/AGPL) = 2-3 depending on use; unlicensed = 1
+- **Fit** — does it solve the actual problem with minimal glue?
+
+Drop anything that scores ≤2 on Activity OR Health unless it's a finished, intentionally inactive utility (e.g. a stable parser).
+
+## Procedure
+
+1. Restate the user's need in 1 sentence — what does the library need to do?
+2. Build a search query using the operators above. Filter by language and recency aggressively.
+3. Fetch top 5-10 results.
+4. Score each on the rubric. Keep top 2-3.
+5. For each finalist, report: name, stars, last-commit date, license, install command, 1-line API example, top 1 caveat.
+6. Recommend ONE. State why it beat the runner-up.
+
+## Output template
+
+```
+**Recommended: <name>** (★N · <license> · last commit <date>)
+
+Install: `pip install …` / `npm i …`
+
+Why: <1-2 sentences>
+
+Quick example:
+```code
+…
+```
+
+Runner-up: <name> — <why it lost>
+
+Caveats: <one line>
+```
+
+## Anti-patterns
+
+- Recommending a library you didn't actually find (fabrication)
+- Picking by stars alone — a 10k-star repo abandoned in 2022 is worse than a 500-star repo with weekly commits
+- Ignoring the license, then surprising the user later
+- Recommending 5 alternatives instead of picking one
diff --git a/.agents/skills/a0-infographic-builder/SKILL.md b/.agents/skills/a0-infographic-builder/SKILL.md
new file mode 100644
index 000000000..0e5895a65
--- /dev/null
+++ b/.agents/skills/a0-infographic-builder/SKILL.md
@@ -0,0 +1,85 @@
+---
+name: infographic-builder
+description: Design infographics that visualize data, processes, comparisons, and timelines as static one-pagers. Helps choose the right visual structure (sequence / list / compare / hierarchy) and emit either AntV-DSL syntax for downstream rendering or a self-contained React component.
+triggers: ["infographic", "visual summary", "data graphic", "visual explainer", "information poster", "visualize this", "timeline graphic", "comparison chart", "process flow", "one-pager"]
+---
+
+# Infographic Builder (a0 port)
+
+Turn data, information, or knowledge into a static visual one-pager. Infographics compress complex information using consistent symbols and structure so the reader gets the shape of the answer in seconds.
+
+## When to use
+
+- "Create an infographic," "make a visual summary," "turn this into a one-pager"
+- Timeline, comparison, process flow, statistical summary — as a designed visual, not an interactive dashboard
+- The user provides data or content and asks to "visualize" it in a static format
+
+## When NOT to use
+
+- Interactive dashboards or live-data charts → that's a different concern
+- Single-chart requests (one bar chart) → just describe the chart directly
+- Decorative imagery without information content → that's design, not infographic
+
+## Procedure
+
+### 1. Extract structure (always, first)
+
+Before choosing visuals, extract:
+
+- **Title and subtitle** — the one-sentence headline and supporting context
+- **Sections / items** — logical groups (3-7 sections work best — fewer feels thin, more is unreadable)
+- **Data points per item** — number, label, short description, optional icon
+- **Source attribution** — where the data comes from
+- **Style preferences** — color palette, theme, brand constraints
+
+If the user supplied incomplete content, **ask for the missing pieces** (one focused question). Do not invent data or fill with placeholder text.
+
+**Language rule:** the output language must match the user's input language.
+
+### 2. Pick the structure
+
+Match the content to one of these archetypes:
+
+| Content shape | Pick |
+|---|---|
+| Process / steps / development trend | Sequence (vertical or horizontal) |
+| Time-anchored events | Timeline |
+| Roadmap with phases | Sequence-roadmap |
+| Funnel / conversion stages | Funnel |
+| Pyramid / hierarchy of importance | Pyramid |
+| Bullet-list of key points | List-grid or list-row |
+| Pros vs cons | Compare-binary |
+| SWOT | Compare-SWOT |
+| Quadrant (2×2 matrix) | Compare-quadrant |
+| Tree / org chart | Hierarchy-tree |
+| Concept map | Hierarchy-mindmap |
+
+### 3. Pick the rendering target
+
+Two routes:
+
+**A. AntV S2 / G6 DSL** (preferred when the rendering pipeline supports it). Emit a DSL template (sequence-vertical-1, list-grid-3, etc.) populated with the user's data. Lightweight; renders to SVG.
+
+**B. Self-contained React component** (fallback). When DSL isn't available, emit a single `.tsx` file using only Tailwind classes — no charting deps. Use semantic HTML (`<ol>` for sequences, `<dl>` for label-value, `<table>` for comparisons). Make it print at 1080×1920 (mobile story) or 1080×1080 (square) by default.
+
+### 4. Visual rules
+
+- **Color palette**: 1 accent + 2 neutrals. Avoid rainbow palettes for non-categorical data.
+- **Typography**: ≤2 typefaces, ≤4 sizes. Title ≥ 2× body size.
+- **Hierarchy**: title > section headers > body > caption. Whitespace ≥ 24px between sections.
+- **Icons**: one icon set throughout (lucide-react, Heroicons, Material). No mixing.
+- **Numbers**: align right or use tabular-nums. Always include units.
+- **Source line**: small, bottom-aligned, present whenever data has a source.
+
+### 5. Output
+
+Return the artifact (DSL block or `.tsx` file) plus a 2-line "what this shows" caption the user can paste alongside the image.
+
+## Anti-patterns
+
+- 12+ sections crammed onto one canvas
+- Pie charts for >5 slices
+- 3D effects on bar charts
+- Random color choices with no semantic mapping
+- Decorative icons that don't reinforce the data
+- Putting the source line in 6pt grey on light grey background
diff --git a/python/services/inference.py b/python/services/inference.py
index 0e593264a..d9873fb6f 100644
--- a/python/services/inference.py
+++ b/python/services/inference.py
@@ -13,6 +13,7 @@
     TOOL_SCHEMAS_RESPONSES,
     execute_tool,
     set_caller_provider,
+    get_a0_skill_manifest,
 )
 
 _log = logging.getLogger("a0p.inference")
@@ -54,13 +55,21 @@ def _load_doctrine() -> str:
 
 
 def _prepend_doctrine(system_prompt: Optional[str]) -> Optional[str]:
-    """Prepend the doctrine as the first cacheable block of any system prompt."""
+    """Prepend the doctrine + a0 skill manifest as the first cacheable blocks
+    of any system prompt. Both blocks are byte-stable across calls (manifest
+    is alphabetically sorted) so prompt caches latch onto the same prefix
+    until either a doctrine edit or a SKILL.md edit invalidates it."""
     doctrine = _load_doctrine()
-    if not doctrine:
+    try:
+        manifest = get_a0_skill_manifest()
+    except Exception:
+        manifest = ""
+    parts = [p for p in (doctrine, manifest, system_prompt) if p]
+    if not parts:
         return system_prompt
-    if not system_prompt:
-        return doctrine
-    return f"{doctrine}\n\n---\n\n{system_prompt}"
+    if len(parts) == 1:
+        return parts[0]
+    return "\n\n---\n\n".join(parts)
 
 
 # Anthropic prompt caching minimum is 1024 tokens. We use a rough char-based
diff --git a/python/services/tool_executor.py b/python/services/tool_executor.py
index e6d449482..467531b29 100644
--- a/python/services/tool_executor.py
+++ b/python/services/tool_executor.py
@@ -49,6 +49,54 @@
             },
         },
     },
+    {
+        "type": "function",
+        "function": {
+            "name": "skill_recommend",
+            "description": (
+                "Score the available a0 skills against a query and return the "
+                "top matches (name + description + score). Use when you suspect "
+                "a skill exists for the user's task but you're not sure which. "
+                "Does NOT load skill bodies — call skill_load with a name to read."
+            ),
+            "parameters": {
+                "type": "object",
+                "properties": {
+                    "query": {
+                        "type": "string",
+                        "description": "What the user wants to do (free text).",
+                    },
+                    "limit": {
+                        "type": "integer",
+                        "description": "Max results to return. Default 5, max 20.",
+                        "default": 5,
+                    },
+                },
+                "required": ["query"],
+            },
+        },
+    },
+    {
+        "type": "function",
+        "function": {
+            "name": "skill_load",
+            "description": (
+                "Return the full SKILL.md body for a named a0 skill. Use after "
+                "skill_recommend or when you already know which skill applies. "
+                "Bodies contain the full procedure, examples, and anti-patterns."
+            ),
+            "parameters": {
+                "type": "object",
+                "properties": {
+                    "name": {
+                        "type": "string",
+                        "description": "Skill name as listed in the prefix manifest (e.g. 'deep-research').",
+                    },
+                },
+                "required": ["name"],
+            },
+        },
+    },
     {
         "type": "function",
         "function": {
@@ -456,6 +504,13 @@ def _flat_truncate(name: str, raw: str) -> str:
 _DOMAIN_TRIGGER_MIN = 3
 _SPEC_CACHE: dict = {"specs": {}, "fingerprint": ""}
 
+# Generic a0 skill registry — same .agents/skills/ root, a0-* prefix. These
+# are not distillers; they are recipes / procedures the model can recommend
+# to itself via skill_recommend or load via skill_load. The manifest (name +
+# description) is injected into the cached prefix; bodies load on demand.
+_A0_SKILL_DIR_GLOB = ".agents/skills/a0-*/SKILL.md"
+_A0_SKILL_CACHE: dict = {"specs": {}, "fingerprint": ""}
+
 
 def _parse_frontmatter(text: str) -> tuple[dict, str]:
     """Minimal YAML-frontmatter parser. Supports scalar, bool, inline list.
@@ -555,6 +610,80 @@ def _get_distiller_spec(domain: str) -> dict:
     return specs.get(domain) or specs.get(_DISTILLER_FALLBACK) or {}
 
 
+def _discover_a0_skills() -> dict[str, dict]:
+    """Scan .agents/skills/a0-*/SKILL.md, return {name: spec}. Memoized.
+    Spec carries: description, triggers, body. The body is the full SKILL.md
+    text (without frontmatter) for skill_load; the manifest (name+description)
+    is what gets cached into the inference prefix."""
+    import glob
+    base = _project_root()
+    pattern = os.path.join(base, _A0_SKILL_DIR_GLOB)
+    files = sorted(glob.glob(pattern))
+    fingerprint = "|".join(f"{p}:{os.path.getmtime(p)}" for p in files)
+    if fingerprint and fingerprint == _A0_SKILL_CACHE.get("fingerprint"):
+        return _A0_SKILL_CACHE["specs"]
+    specs: dict[str, dict] = {}
+    for path in files:
+        slug = os.path.basename(os.path.dirname(path)).removeprefix("a0-")
+        try:
+            with open(path, "r", encoding="utf-8") as fh:
+                fm, body = _parse_frontmatter(fh.read())
+        except OSError:
+            continue
+        name = (fm.get("name") or slug).strip()
+        specs[name] = {
+            "slug": slug,
+            "description": (fm.get("description") or "").strip(),
+            "triggers": tuple(t.lower() for t in (fm.get("triggers") or [])),
+            "body": body,
+        }
+    _A0_SKILL_CACHE["specs"] = specs
+    _A0_SKILL_CACHE["fingerprint"] = fingerprint
+    return specs
+
+
+def get_a0_skill_manifest() -> str:
+    """Return a compact, byte-stable bullet list of available a0 skills for
+    prefix injection. Bodies are NOT included — only name + description.
+    Stable order (alphabetical by name) so prompt-cache hits remain valid
+    across calls until a SKILL.md actually changes."""
+    specs = _discover_a0_skills()
+    if not specs:
+        return ""
+    lines = ["## Available skills (load full body via skill_load)"]
+    for name in sorted(specs.keys()):
+        desc = specs[name].get("description") or "(no description)"
+        lines.append(f"- **{name}** — {desc}")
+    return "\n".join(lines)
+
+
+def get_a0_skill_body(name: str) -> str | None:
+    """Return the SKILL.md body for the named a0 skill, or None."""
+    specs = _discover_a0_skills()
+    spec = specs.get(name)
+    return spec.get("body") if spec else None
+
+
+def _score_skill_match(query: str, name: str, spec: dict) -> int:
+    """Cheap keyword-overlap score for skill_recommend. Triggers count double."""
+    q = query.lower()
+    if not q.strip():
+        return 0
+    score = 0
+    if name.lower() in q or any(part in q for part in name.lower().split("-") if len(part) > 2):
+        score += 3
+    desc = (spec.get("description") or "").lower()
+    for word in q.split():
+        if len(word) < 3:
+            continue
+        if word in desc:
+            score += 1
+        for trig in spec.get("triggers", ()):
+            if word in trig:
+                score += 2
+    return score
+
+
 def _try_parse_json_array(text: str) -> list | None:
     """Tolerant JSON-array parser. Strips ```json fences and surrounding prose."""
     if not text:
@@ -726,6 +855,13 @@ async def _execute_tool_inner(name: str, arguments: dict) -> str:
                 chunk=int(arguments.get("chunk", 0) or 0),
                 chunk_size=int(arguments.get("chunk_size", 8000) or 8000),
             )
+        if name == "skill_recommend":
+            return _skill_recommend(
+                query=arguments.get("query", ""),
+                limit=int(arguments.get("limit", 5) or 5),
+            )
+        if name == "skill_load":
+            return _skill_load(arguments.get("name", ""))
         if name == "web_search":
             return await _web_search(arguments.get("query", ""))
         if name == "pcna_infer":
@@ -812,6 +948,44 @@ async def _tool_result_fetch(call_id: str, chunk: int = 0, chunk_size: int = 800
     )
 
 
+def _skill_recommend(query: str, limit: int = 5) -> str:
+    """Rank a0 skills against a free-text query. Returns a compact list."""
+    if not query.strip():
+        return "[skill_recommend: empty query]"
+    limit = max(1, min(20, int(limit)))
+    specs = _discover_a0_skills()
+    if not specs:
+        return "[skill_recommend: no a0 skills installed]"
+    scored = [
+        (name, _score_skill_match(query, name, spec), spec)
+        for name, spec in specs.items()
+    ]
+    scored.sort(key=lambda x: x[1], reverse=True)
+    top = [(n, s, spec) for n, s, spec in scored if s > 0][:limit]
+    if not top:
+        return f"[skill_recommend: no skill matched query: {query!r}]"
+    lines = [f"[skill_recommend · {len(top)} match(es) for: {query!r}]"]
+    for name, score, spec in top:
+        desc = spec.get("description") or ""
+        lines.append(f"- {name} (score={score}) — {desc}")
+    lines.append("\nLoad a body via skill_load(name=...).")
+    return "\n".join(lines)
+
+
+def _skill_load(name: str) -> str:
+    """Return the full SKILL.md body for the named a0 skill."""
+    if not name.strip():
+        return "[skill_load: missing name]"
+    body = get_a0_skill_body(name.strip())
+    if body is None:
+        available = sorted(_discover_a0_skills().keys())
+        return (
+            f"[skill_load: no skill named {name!r}]\n"
+            f"Available: {', '.join(available) if available else '(none installed)'}"
+        )
+    return f"[skill_load · {name}]\n\n{body}"
+
+
 async def _web_search(query: str) -> str:
     if not query.strip():
         return "[web_search: empty query]"

From 410e3df80842798244e8a92248a3ccb07ab4672f Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Mon, 20 Apr 2026 01:29:31 +0000
Subject: [PATCH 45/61] Published your App

Replit-Commit-Author: Deployment
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: d74616c5-f1fd-48a0-8d30-844bb0cf84cc
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/keMXJ3N
Replit-Commit-Deployment-Build-Id: 141da40f-e8f1-40e4-8c1e-f6b35ca764f3
Replit-Helium-Checkpoint-Created: true

From 4d3a473e6136aacce0f2ca088e3208f9a7b0df27 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Mon, 20 Apr 2026 03:37:58 +0000
Subject: [PATCH 46/61] Add test infrastructure and improve data verification
 across the system

Add comprehensive test suites for skills, routes, and live server interactions, along with dependency updates for development tools.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: e500ebf5-73fe-4e34-825e-faff47681bf3
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/uFXSsWO
Replit-Helium-Checkpoint-Created: true
---
 pyproject.toml              |  6 +++
 tests/README.md             | 33 ++++++++++++++++
 tests/conftest.py           | 15 ++++++++
 tests/test_live_server.py   | 55 ++++++++++++++++++++++++++
 tests/test_route_imports.py | 42 ++++++++++++++++++++
 tests/test_skills.py        | 69 +++++++++++++++++++++++++++++++++
 uv.lock                     | 77 +++++++++++++++++++++++++++++++++++++
 7 files changed, 297 insertions(+)
 create mode 100644 tests/README.md
 create mode 100644 tests/conftest.py
 create mode 100644 tests/test_live_server.py
 create mode 100644 tests/test_route_imports.py
 create mode 100644 tests/test_skills.py

diff --git a/pyproject.toml b/pyproject.toml
index 4c9151910..8b413b388 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,3 +27,9 @@ dependencies = [
     "stripe>=15.0.1",
     "uvicorn[standard]>=0.42.0",
 ]
+
+[dependency-groups]
+dev = [
+    "pytest>=9.0.3",
+    "pytest-asyncio>=1.3.0",
+]
diff --git a/tests/README.md b/tests/README.md
new file mode 100644
index 000000000..30785d67c
--- /dev/null
+++ b/tests/README.md
@@ -0,0 +1,33 @@
+# a0p tests
+
+Minimal smoke-test scaffolding. The goal is regression coverage on the
+load-bearing surfaces, not exhaustive unit coverage.
+
+## Layout
+
+- `conftest.py` — path setup so tests can `import python.*`
+- `test_skills.py` — a0-native skill loader, manifest, recommend, load tools
+- `test_route_imports.py` — every route module imports cleanly + UI meta collects
+- `test_live_server.py` — HTTP smoke against `localhost:5000` (auto-skipped if down)
+
+## Run
+
+```bash
+uv run pytest tests/ -v
+```
+
+Or just the offline tests (skip live-server suite explicitly):
+
+```bash
+uv run pytest tests/ -v --ignore=tests/test_live_server.py
+```
+
+## What's intentionally not here yet
+
+- Frontend component tests (vitest scaffold is a separate task)
+- e2e flow tests (Playwright; the `e2e/` dir is reserved)
+- Database integration tests (need an ephemeral Postgres fixture)
+- Provider call tests (need recorded cassettes; `vcrpy` is the right tool)
+
+Add new offline smoke tests freely. Add live-server tests only when the
+behavior cannot be verified at the import/unit layer.
diff --git a/tests/conftest.py b/tests/conftest.py
new file mode 100644
index 000000000..3acceb3d8
--- /dev/null
+++ b/tests/conftest.py
@@ -0,0 +1,15 @@
+# 12:5
+# DOC module: tests
+# DOC label: Test fixtures
+# DOC description: Shared pytest fixtures and path setup so test modules can
+# import from `python.*` without packaging the project.
+import os
+import sys
+import pathlib
+
+_ROOT = pathlib.Path(__file__).resolve().parent.parent
+if str(_ROOT) not in sys.path:
+    sys.path.insert(0, str(_ROOT))
+
+os.environ.setdefault("INTERNAL_API_SECRET", "test-secret")
+# 12:5
diff --git a/tests/test_live_server.py b/tests/test_live_server.py
new file mode 100644
index 000000000..ace69b5ad
--- /dev/null
+++ b/tests/test_live_server.py
@@ -0,0 +1,55 @@
+# 44:9
+# DOC module: tests.test_live_server
+# DOC label: Live-server HTTP smoke
+# DOC description: Hits the running Express+FastAPI stack on localhost:5000
+# to verify the public surface is healthy. Skipped automatically if the
+# server is not running, so CI runs without infra still pass the suite.
+import os
+import pytest
+import httpx
+
+BASE = os.environ.get("A0P_TEST_BASE", "http://localhost:5000")
+
+
+def _server_alive() -> bool:
+    try:
+        httpx.get(f"{BASE}/api/v1/ui/structure", timeout=2.0)
+        return True
+    except Exception:
+        return False
+
+
+pytestmark = pytest.mark.skipif(
+    not _server_alive(),
+    reason=f"no server on {BASE} — start the workflow to enable live tests",
+)
+
+
+def test_ui_structure_returns_tabs():
+    r = httpx.get(f"{BASE}/api/v1/ui/structure", timeout=5.0)
+    assert r.status_code == 200
+    data = r.json()
+    assert "tabs" in data
+    tab_ids = {t.get("tab_id") for t in data["tabs"]}
+    # Sanity: a few tabs we know should exist after recent work.
+    for required in ("agents", "forge", "sigma", "liminals"):
+        assert required in tab_ids, f"missing tab: {required}"
+
+
+def test_docs_endpoint_returns_module_metadata():
+    r = httpx.get(f"{BASE}/api/v1/docs", timeout=5.0)
+    if r.status_code == 404:
+        pytest.skip("docs endpoint not exposed in this build")
+    assert r.status_code == 200
+    body = r.json()
+    assert isinstance(body, (list, dict))
+
+
+def test_internal_header_required_on_python_direct_call():
+    # Hitting Python directly without the internal header should be rejected.
+    try:
+        r = httpx.get("http://localhost:8001/api/v1/ui/structure", timeout=2.0)
+    except Exception:
+        pytest.skip("python backend not reachable on 8001 in this environment")
+    assert r.status_code in (401, 403), f"expected reject, got {r.status_code}"
+# 44:9
diff --git a/tests/test_route_imports.py b/tests/test_route_imports.py
new file mode 100644
index 000000000..9762f3dd8
--- /dev/null
+++ b/tests/test_route_imports.py
@@ -0,0 +1,42 @@
+# 38:7
+# DOC module: tests.test_route_imports
+# DOC label: Route-import smoke
+# DOC description: Imports every route module under python/routes/ to catch
+# import-time errors (missing deps, syntax breaks, circular imports) without
+# needing a live FastAPI process. Cheap regression net for boot failures.
+import importlib
+import pkgutil
+import pytest
+
+import python.routes as routes_pkg
+
+
+ROUTE_MODULES = [
+    name for _, name, _ in pkgutil.iter_modules(routes_pkg.__path__)
+    if not name.startswith("_")
+]
+
+
+@pytest.mark.parametrize("modname", ROUTE_MODULES)
+def test_route_module_imports_clean(modname):
+    importlib.import_module(f"python.routes.{modname}")
+
+
+def test_routes_init_registers_all_routers():
+    from python.routes import ALL_ROUTERS
+    assert len(ALL_ROUTERS) > 0
+    # Each entry should be a FastAPI APIRouter
+    from fastapi import APIRouter
+    for r in ALL_ROUTERS:
+        assert isinstance(r, APIRouter), f"non-router in ALL_ROUTERS: {r!r}"
+
+
+def test_ui_meta_collection_runs():
+    from python.routes import collect_ui_meta
+    tabs = collect_ui_meta()
+    assert isinstance(tabs, list)
+    assert len(tabs) >= 8, f"expected at least 8 tabs, got {len(tabs)}"
+    for t in tabs:
+        assert "tab_id" in t, f"tab missing tab_id: {t}"
+        assert "label" in t
+# 38:7
diff --git a/tests/test_skills.py b/tests/test_skills.py
new file mode 100644
index 000000000..2a0dade0d
--- /dev/null
+++ b/tests/test_skills.py
@@ -0,0 +1,69 @@
+# 56:8
+# DOC module: tests.test_skills
+# DOC label: Skill subsystem
+# DOC description: Smoke tests for the a0-native skill loader, manifest
+# rendering, recommend ranking, and load-by-name. Catches regressions in
+# the cache-stable manifest used by the doctrine prefix.
+import pytest
+
+from python.services.tool_executor import (
+    _discover_a0_skills,
+    get_a0_skill_manifest,
+    get_a0_skill_body,
+    _skill_recommend,
+    _skill_load,
+    TOOL_SCHEMAS_CHAT,
+)
+
+
+def test_discovers_at_least_four_a0_skills():
+    specs = _discover_a0_skills()
+    assert len(specs) >= 4
+    for name in ("deep-research", "file-converter", "github-solution-finder", "infographic-builder"):
+        assert name in specs, f"missing a0-native skill: {name}"
+
+
+def test_manifest_is_alphabetically_sorted_for_cache_stability():
+    manifest = get_a0_skill_manifest()
+    lines = [ln for ln in manifest.splitlines() if ln.startswith("- **")]
+    names = [ln.split("**")[1] for ln in lines]
+    assert names == sorted(names), "manifest must be alphabetical for prefix-cache stability"
+
+
+def test_manifest_contains_descriptions():
+    manifest = get_a0_skill_manifest()
+    assert "deep-research" in manifest
+    assert " — " in manifest, "manifest entries must include description after em-dash"
+
+
+def test_skill_body_loads_for_known_skill():
+    body = get_a0_skill_body("deep-research")
+    assert body is not None
+    assert len(body) > 100, "body suspiciously short — frontmatter strip may have eaten it"
+
+
+def test_skill_body_returns_none_for_unknown_skill():
+    assert get_a0_skill_body("does-not-exist") is None
+
+
+def test_recommend_ranks_relevant_skill_first():
+    out = _skill_recommend("find a python library on github for parsing pdfs")
+    first_line = next(ln for ln in out.splitlines() if ln.startswith("- "))
+    assert "github-solution-finder" in first_line, f"expected github-solution-finder first, got: {first_line}"
+
+
+def test_recommend_handles_empty_query():
+    out = _skill_recommend("")
+    assert "empty" in out.lower() or "match" in out.lower() or "no" in out.lower()
+
+
+def test_skill_load_unknown_returns_help():
+    out = _skill_load("nonexistent-skill")
+    assert "available" in out.lower() or "not found" in out.lower()
+
+
+def test_skill_tools_registered_in_chat_schema():
+    names = {t["function"]["name"] for t in TOOL_SCHEMAS_CHAT if "function" in t}
+    assert "skill_recommend" in names
+    assert "skill_load" in names
+# 56:8
diff --git a/uv.lock b/uv.lock
index 407abbf8b..002c92e11 100644
--- a/uv.lock
+++ b/uv.lock
@@ -491,6 +491,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/0e/61/66938bbb5fc52dbdf84594873d5b51fb1f7c7794e9c0f5bd885f30bc507b/idna-3.11-py3-none-any.whl", hash = "sha256:771a87f49d9defaf64091e6e6fe9c18d4833f140bd19464795bc32d966ca37ea", size = 71008, upload-time = "2025-10-12T14:55:18.883Z" },
 ]
 
+[[package]]
+name = "iniconfig"
+version = "2.3.0"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/72/34/14ca021ce8e5dfedc35312d08ba8bf51fdd999c576889fc2c24cb97f4f10/iniconfig-2.3.0.tar.gz", hash = "sha256:c76315c77db068650d49c5b56314774a7804df16fee4402c1f19d6d15d8c4730", size = 20503, upload-time = "2025-10-18T21:55:43.219Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/cb/b1/3846dd7f199d53cb17f49cba7e651e9ce294d8497c8c150530ed11865bb8/iniconfig-2.3.0-py3-none-any.whl", hash = "sha256:f631c04d2c48c52b84d0d0549c99ff3859c98df65b3101406327ecc7d53fbf12", size = 7484, upload-time = "2025-10-18T21:55:41.639Z" },
+]
+
 [[package]]
 name = "itsdangerous"
 version = "2.2.0"
@@ -636,6 +645,24 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/1f/b6/7c0d4334c15983cec7f92a69e8ce9b1e6f31857e5ee3a413ac424e6bd63d/numpy-2.4.3-cp314-cp314t-win_arm64.whl", hash = "sha256:4d382735cecd7bcf090172489a525cd7d4087bc331f7df9f60ddc9a296cf208e", size = 10565454, upload-time = "2026-03-09T07:58:33.031Z" },
 ]
 
+[[package]]
+name = "packaging"
+version = "26.1"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/df/de/0d2b39fb4af88a0258f3bac87dfcbb48e73fbdea4a2ed0e2213f9a4c2f9a/packaging-26.1.tar.gz", hash = "sha256:f042152b681c4bfac5cae2742a55e103d27ab2ec0f3d88037136b6bfe7c9c5de", size = 215519, upload-time = "2026-04-14T21:12:49.362Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/7a/c2/920ef838e2f0028c8262f16101ec09ebd5969864e5a64c4c05fad0617c56/packaging-26.1-py3-none-any.whl", hash = "sha256:5d9c0669c6285e491e0ced2eee587eaf67b670d94a19e94e3984a481aba6802f", size = 95831, upload-time = "2026-04-14T21:12:47.56Z" },
+]
+
+[[package]]
+name = "pluggy"
+version = "1.6.0"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/f9/e2/3e91f31a7d2b083fe6ef3fa267035b518369d9511ffab804f839851d2779/pluggy-1.6.0.tar.gz", hash = "sha256:7dcc130b76258d33b90f61b658791dede3486c3e6bfb003ee5c9bfb396dd22f3", size = 69412, upload-time = "2025-05-15T12:30:07.975Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/54/20/4d324d65cc6d9205fabedc306948156824eb9f0ee1633355a8f7ec5c66bf/pluggy-1.6.0-py3-none-any.whl", hash = "sha256:e920276dd6813095e9377c0bc5566d94c932c33b27a3e3945d8389c374dd4746", size = 20538, upload-time = "2025-05-15T12:30:06.134Z" },
+]
+
 [[package]]
 name = "psycopg2-binary"
 version = "2.9.11"
@@ -793,6 +820,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/f7/07/34573da085946b6a313d7c42f82f16e8920bfd730665de2d11c0c37a74b5/pydantic_core-2.41.5-graalpy312-graalpy250_312_native-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:76d0819de158cd855d1cbb8fcafdf6f5cf1eb8e470abe056d5d161106e38062b", size = 2139017, upload-time = "2025-11-04T13:42:59.471Z" },
 ]
 
+[[package]]
+name = "pygments"
+version = "2.20.0"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/c3/b2/bc9c9196916376152d655522fdcebac55e66de6603a76a02bca1b6414f6c/pygments-2.20.0.tar.gz", hash = "sha256:6757cd03768053ff99f3039c1a36d6c0aa0b263438fcab17520b30a303a82b5f", size = 4955991, upload-time = "2026-03-29T13:29:33.898Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/f4/7e/a72dd26f3b0f4f2bf1dd8923c85f7ceb43172af56d63c7383eb62b332364/pygments-2.20.0-py3-none-any.whl", hash = "sha256:81a9e26dd42fd28a23a2d169d86d7ac03b46e2f8b59ed4698fb4785f946d0176", size = 1231151, upload-time = "2026-03-29T13:29:30.038Z" },
+]
+
 [[package]]
 name = "pyjwt"
 version = "2.12.1"
@@ -807,6 +843,35 @@ crypto = [
     { name = "cryptography" },
 ]
 
+[[package]]
+name = "pytest"
+version = "9.0.3"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "colorama", marker = "sys_platform == 'win32'" },
+    { name = "iniconfig" },
+    { name = "packaging" },
+    { name = "pluggy" },
+    { name = "pygments" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/7d/0d/549bd94f1a0a402dc8cf64563a117c0f3765662e2e668477624baeec44d5/pytest-9.0.3.tar.gz", hash = "sha256:b86ada508af81d19edeb213c681b1d48246c1a91d304c6c81a427674c17eb91c", size = 1572165, upload-time = "2026-04-07T17:16:18.027Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/d4/24/a372aaf5c9b7208e7112038812994107bc65a84cd00e0354a88c2c77a617/pytest-9.0.3-py3-none-any.whl", hash = "sha256:2c5efc453d45394fdd706ade797c0a81091eccd1d6e4bccfcd476e2b8e0ab5d9", size = 375249, upload-time = "2026-04-07T17:16:16.13Z" },
+]
+
+[[package]]
+name = "pytest-asyncio"
+version = "1.3.0"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "pytest" },
+    { name = "typing-extensions", marker = "python_full_version < '3.13'" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/90/2c/8af215c0f776415f3590cac4f9086ccefd6fd463befeae41cd4d3f193e5a/pytest_asyncio-1.3.0.tar.gz", hash = "sha256:d7f52f36d231b80ee124cd216ffb19369aa168fc10095013c6b014a34d3ee9e5", size = 50087, upload-time = "2025-11-10T16:07:47.256Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/e5/35/f8b19922b6a25bc0880171a2f1a003eaeb93657475193ab516fd87cac9da/pytest_asyncio-1.3.0-py3-none-any.whl", hash = "sha256:611e26147c7f77640e6d0a92a38ed17c3e9848063698d5c93d5aa7aa11cebff5", size = 15075, upload-time = "2025-11-10T16:07:45.537Z" },
+]
+
 [[package]]
 name = "python-dotenv"
 version = "1.2.2"
@@ -893,6 +958,12 @@ dependencies = [
     { name = "uvicorn", extra = ["standard"] },
 ]
 
+[package.dev-dependencies]
+dev = [
+    { name = "pytest" },
+    { name = "pytest-asyncio" },
+]
+
 [package.metadata]
 requires-dist = [
     { name = "aiofiles", specifier = ">=25.1.0" },
@@ -912,6 +983,12 @@ requires-dist = [
     { name = "uvicorn", extras = ["standard"], specifier = ">=0.42.0" },
 ]
 
+[package.metadata.requires-dev]
+dev = [
+    { name = "pytest", specifier = ">=9.0.3" },
+    { name = "pytest-asyncio", specifier = ">=1.3.0" },
+]
+
 [[package]]
 name = "requests"
 version = "2.33.1"

From 1940142f2b1f8e967d74ed1249d9946a40869c9d Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Mon, 20 Apr 2026 03:49:38 +0000
Subject: [PATCH 47/61] Add ability to upload images and generate them with AI

Implement image upload functionality and integrate an AI image generation tool.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 0a7d8b4f-79ff-48e4-a3ba-26a7a5cb61e0
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/uFXSsWO
Replit-Helium-Checkpoint-Created: true
---
 client/src/components/chat-input.tsx    | 204 ++++++++++++++++++++++++
 client/src/components/chat-messages.tsx |  30 ++++
 client/src/components/chat-widgets.tsx  |  35 +---
 client/src/pages/chat.tsx               |  10 +-
 python/models.py                        |  33 ++++
 python/routes/chat.py                   |  31 +++-
 python/services/gemini_native.py        |  20 ++-
 python/services/inference.py            |  96 +++++++++++
 python/services/tool_executor.py        | 115 +++++++++++++
 python/storage/core.py                  |  55 ++++++-
 server/attachments.ts                   |  69 ++++++++
 server/index.ts                         |  13 ++
 shared/schema.ts                        |  36 +++++
 13 files changed, 700 insertions(+), 47 deletions(-)
 create mode 100644 client/src/components/chat-input.tsx
 create mode 100644 server/attachments.ts

diff --git a/client/src/components/chat-input.tsx b/client/src/components/chat-input.tsx
new file mode 100644
index 000000000..548606f47
--- /dev/null
+++ b/client/src/components/chat-input.tsx
@@ -0,0 +1,204 @@
+// 1:0
+import { useState, useRef, useEffect, useCallback } from "react";
+import { Button } from "@/components/ui/button";
+import { Textarea } from "@/components/ui/textarea";
+import { Loader2, Send, Paperclip, X } from "lucide-react";
+import { useToast } from "@/hooks/use-toast";
+
+export interface PendingAttachment {
+  id: number;
+  storage_url: string;
+  mime_type: string;
+  name?: string;
+  preview?: string;
+}
+
+export function ChatInput({
+  onSend,
+  isSending,
+}: {
+  onSend: (content: string, attachmentIds: number[]) => void;
+  isSending: boolean;
+}) {
+  const { toast } = useToast();
+  const [input, setInput] = useState("");
+  const [attachments, setAttachments] = useState<PendingAttachment[]>([]);
+  const [uploading, setUploading] = useState(false);
+  const textareaRef = useRef<HTMLTextAreaElement>(null);
+  const fileInputRef = useRef<HTMLInputElement>(null);
+
+  const uploadOne = useCallback(async (file: File) => {
+    if (!file.type.startsWith("image/")) {
+      toast({ title: "Unsupported file", description: file.type || "unknown", variant: "destructive" });
+      return;
+    }
+    if (file.size > 10 * 1024 * 1024) {
+      toast({ title: "File too large", description: "Max 10 MB", variant: "destructive" });
+      return;
+    }
+    const fd = new FormData();
+    fd.append("file", file);
+    setUploading(true);
+    try {
+      const res = await fetch("/api/v1/attachments", {
+        method: "POST",
+        body: fd,
+        credentials: "include",
+      });
+      if (!res.ok) {
+        const msg = await res.text().catch(() => "upload failed");
+        throw new Error(msg);
+      }
+      const data = await res.json();
+      const preview = URL.createObjectURL(file);
+      setAttachments((prev) => [...prev, {
+        id: data.id,
+        storage_url: data.storage_url,
+        mime_type: data.mime_type ?? file.type,
+        name: file.name,
+        preview,
+      }]);
+    } catch (e) {
+      const msg = e instanceof Error ? e.message : "upload failed";
+      toast({ title: "Upload failed", description: msg, variant: "destructive" });
+    } finally {
+      setUploading(false);
+    }
+  }, [toast]);
+
+  const handleFiles = useCallback(async (files: FileList | File[]) => {
+    for (const f of Array.from(files)) await uploadOne(f);
+  }, [uploadOne]);
+
+  const handlePaste = useCallback((e: React.ClipboardEvent<HTMLTextAreaElement>) => {
+    const items = e.clipboardData?.items;
+    if (!items) return;
+    const files: File[] = [];
+    for (const it of Array.from(items)) {
+      if (it.kind === "file") {
+        const f = it.getAsFile();
+        if (f) files.push(f);
+      }
+    }
+    if (files.length > 0) {
+      e.preventDefault();
+      void handleFiles(files);
+    }
+  }, [handleFiles]);
+
+  const removeAttachment = (id: number) => {
+    setAttachments((prev) => {
+      const target = prev.find((a) => a.id === id);
+      if (target?.preview) URL.revokeObjectURL(target.preview);
+      return prev.filter((a) => a.id !== id);
+    });
+  };
+
+  const handleSubmit = () => {
+    const trimmed = input.trim();
+    if ((!trimmed && attachments.length === 0) || isSending || uploading) return;
+    onSend(trimmed, attachments.map((a) => a.id));
+    setInput("");
+    setAttachments((prev) => {
+      prev.forEach((a) => a.preview && URL.revokeObjectURL(a.preview));
+      return [];
+    });
+    if (textareaRef.current) textareaRef.current.style.height = "auto";
+  };
+
+  const handleKeyDown = (e: React.KeyboardEvent) => {
+    if (e.key === "Enter" && (e.ctrlKey || e.metaKey)) {
+      e.preventDefault();
+      handleSubmit();
+    }
+  };
+
+  useEffect(() => {
+    if (textareaRef.current) {
+      textareaRef.current.style.height = "auto";
+      textareaRef.current.style.height = `${Math.min(textareaRef.current.scrollHeight, 120)}px`;
+    }
+  }, [input]);
+
+  useEffect(() => () => {
+    attachments.forEach((a) => a.preview && URL.revokeObjectURL(a.preview));
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, []);
+
+  return (
+    <div className="px-4 py-3 border-t border-border" data-testid="chat-input-area">
+      {attachments.length > 0 && (
+        <div className="flex flex-wrap gap-2 mb-2" data-testid="chat-attachments-tray">
+          {attachments.map((a) => (
+            <div
+              key={a.id}
+              className="relative h-16 w-16 rounded-md overflow-hidden border border-border bg-muted"
+              data-testid={`chip-attachment-${a.id}`}
+            >
+              {a.preview ? (
+                <img src={a.preview} alt={a.name ?? "attachment"} className="h-full w-full object-cover" />
+              ) : (
+                <div className="h-full w-full flex items-center justify-center text-[10px] text-muted-foreground">img</div>
+              )}
+              <button
+                type="button"
+                aria-label="Remove attachment"
+                onClick={() => removeAttachment(a.id)}
+                className="absolute top-0.5 right-0.5 rounded-full bg-background/80 p-0.5 text-foreground hover-elevate"
+                data-testid={`btn-remove-attachment-${a.id}`}
+              >
+                <X className="h-3 w-3" />
+              </button>
+            </div>
+          ))}
+        </div>
+      )}
+      <div className="flex gap-2 items-end">
+        <input
+          ref={fileInputRef}
+          type="file"
+          accept="image/*"
+          multiple
+          className="hidden"
+          onChange={(e) => {
+            if (e.target.files) void handleFiles(e.target.files);
+            if (fileInputRef.current) fileInputRef.current.value = "";
+          }}
+          data-testid="input-file-attach"
+        />
+        <Button
+          size="icon"
+          variant="ghost"
+          onClick={() => fileInputRef.current?.click()}
+          disabled={uploading || isSending}
+          className="shrink-0"
+          aria-label="Attach image"
+          data-testid="btn-attach"
+        >
+          {uploading ? <Loader2 className="h-4 w-4 animate-spin" /> : <Paperclip className="h-4 w-4" />}
+        </Button>
+        <Textarea
+          ref={textareaRef}
+          value={input}
+          onChange={(e) => setInput(e.target.value)}
+          onKeyDown={handleKeyDown}
+          onPaste={handlePaste}
+          placeholder="Message a0... (Ctrl+Enter to send)"
+          className="resize-none min-h-[40px] max-h-[120px] text-sm"
+          rows={1}
+          data-testid="chat-input"
+        />
+        <Button
+          size="icon"
+          onClick={handleSubmit}
+          disabled={(!input.trim() && attachments.length === 0) || isSending || uploading}
+          className="shrink-0 h-10 w-10"
+          data-testid="btn-send"
+        >
+          {isSending ? <Loader2 className="h-4 w-4 animate-spin" /> : <Send className="h-4 w-4" />}
+        </Button>
+      </div>
+    </div>
+  );
+}
+// 1:0
diff --git a/client/src/components/chat-messages.tsx b/client/src/components/chat-messages.tsx
index 1de780c4b..b8975f3fe 100644
--- a/client/src/components/chat-messages.tsx
+++ b/client/src/components/chat-messages.tsx
@@ -23,6 +23,14 @@ export interface UsageData {
   [key: string]: unknown;
 }
 
+export interface MessageAttachment {
+  id: number;
+  storage_url: string;
+  mime_type: string;
+  width?: number | null;
+  height?: number | null;
+}
+
 export interface Message {
   id: number;
   conversation_id: number;
@@ -30,6 +38,7 @@ export interface Message {
   content: string;
   model: string | null;
   created_at: string;
+  attachments?: MessageAttachment[];
   metadata?: {
     error?: boolean;
     error_detail?: string;
@@ -251,6 +260,27 @@ export function MessageBubble({ message, onSend }: { message: Message; onSend: (
             )}
           </div>
         )}
+        {message.attachments && message.attachments.length > 0 && (
+          <div className="flex flex-wrap gap-1.5 mb-1.5" data-testid={`attachments-msg-${message.id}`}>
+            {message.attachments.map((a) => (
+              <a
+                key={a.id}
+                href={a.storage_url}
+                target="_blank"
+                rel="noopener noreferrer"
+                className="block rounded-md overflow-hidden border border-border max-w-[240px] hover-elevate"
+                data-testid={`attachment-${a.id}`}
+              >
+                <img
+                  src={a.storage_url}
+                  alt="attachment"
+                  className="block max-h-40 w-auto object-contain bg-muted"
+                  loading="lazy"
+                />
+              </a>
+            ))}
+          </div>
+        )}
         <div className={cn("prose prose-sm max-w-none dark:prose-invert", isUser && "text-primary-foreground")}>
           <MarkdownContent content={message.content} isUser={isUser} />
         </div>
diff --git a/client/src/components/chat-widgets.tsx b/client/src/components/chat-widgets.tsx
index aaa8827c2..1c452a314 100644
--- a/client/src/components/chat-widgets.tsx
+++ b/client/src/components/chat-widgets.tsx
@@ -6,7 +6,7 @@ import { Textarea } from "@/components/ui/textarea";
 import { ScrollArea } from "@/components/ui/scroll-area";
 import { useToast } from "@/hooks/use-toast";
 import {
-  Plus, Send, Trash2, Loader2, ChevronDown, ChevronUp, ChevronRight, Zap, X,
+  Plus, Trash2, Loader2, ChevronDown, ChevronUp, ChevronRight, Zap, X,
   Archive, ArchiveRestore, CornerDownRight, AlertTriangle, CheckCircle2,
 } from "lucide-react";
 import { apiRequest } from "@/lib/queryClient";
@@ -231,36 +231,5 @@ export function ContextBoostPanel({ convId }: { convId: number }) {
   );
 }
 
-export function ChatInput({ onSend, isSending }: { onSend: (content: string) => void; isSending: boolean }) {
-  const [input, setInput] = useState("");
-  const textareaRef = useRef<HTMLTextAreaElement>(null);
-
-  const handleSubmit = () => {
-    const trimmed = input.trim();
-    if (!trimmed || isSending) return;
-    onSend(trimmed);
-    setInput("");
-    if (textareaRef.current) textareaRef.current.style.height = "auto";
-  };
-
-  const handleKeyDown = (e: React.KeyboardEvent) => {
-    if (e.key === "Enter" && (e.ctrlKey || e.metaKey)) { e.preventDefault(); handleSubmit(); }
-  };
-
-  useEffect(() => {
-    if (textareaRef.current) {
-      textareaRef.current.style.height = "auto";
-      textareaRef.current.style.height = `${Math.min(textareaRef.current.scrollHeight, 120)}px`;
-    }
-  }, [input]);
-
-  return (
-    <div className="flex gap-2 items-end px-4 py-3 border-t border-border" data-testid="chat-input-area">
-      <Textarea ref={textareaRef} value={input} onChange={(e) => setInput(e.target.value)} onKeyDown={handleKeyDown} placeholder="Message a0... (Ctrl+Enter to send)" className="resize-none min-h-[40px] max-h-[120px] text-sm" rows={1} data-testid="chat-input" />
-      <Button size="icon" onClick={handleSubmit} disabled={!input.trim() || isSending} className="shrink-0 h-10 w-10" data-testid="btn-send">
-        {isSending ? <Loader2 className="h-4 w-4 animate-spin" /> : <Send className="h-4 w-4" />}
-      </Button>
-    </div>
-  );
-}
+export { ChatInput } from "./chat-input";
 // 165:0
diff --git a/client/src/pages/chat.tsx b/client/src/pages/chat.tsx
index a3443e5b5..7b77fa81c 100644
--- a/client/src/pages/chat.tsx
+++ b/client/src/pages/chat.tsx
@@ -151,9 +151,13 @@ export default function ChatPage() {
   });
 
   const sendMessage = useMutation({
-    mutationFn: async (content: string) => {
+    mutationFn: async (payload: { content: string; attachment_ids?: number[] }) => {
       if (!activeConvId) throw new Error("No conversation selected");
-      const res = await apiRequest("POST", `/api/v1/conversations/${activeConvId}/messages`, { role: "user", content });
+      const res = await apiRequest("POST", `/api/v1/conversations/${activeConvId}/messages`, {
+        role: "user",
+        content: payload.content,
+        attachment_ids: payload.attachment_ids ?? [],
+      });
       return res.json();
     },
     onSuccess: () => {
@@ -312,7 +316,7 @@ export default function ChatPage() {
                 <div className="flex items-center justify-center h-full text-muted-foreground" data-testid="no-messages"><p className="text-sm">No messages yet</p></div>
               ) : (
                 <div className="flex flex-col gap-3">
-                  {messages.map((m) => <MessageBubble key={m.id} message={m} onSend={(c) => sendMessage.mutate(c)} />)}
+                  {messages.map((m) => <MessageBubble key={m.id} message={m} onSend={(c) => sendMessage.mutate({ content: c })} />)}
                 </div>
               )}
             </div>
diff --git a/python/models.py b/python/models.py
index 456b42e60..ffbfc4943 100644
--- a/python/models.py
+++ b/python/models.py
@@ -402,4 +402,37 @@ class ToolResult(Base):
     raw_result = Column(Text, nullable=False)
     result_size_bytes = Column(Integer, nullable=False, server_default="0")
     created_at = Column(DateTime, nullable=False, server_default=text("CURRENT_TIMESTAMP"))
+
+
+class MessageAttachment(Base):
+    """Image (or other media) attached to a chat message. Files live under
+    uploads/; storage_url is a relative path that Express serves directly."""
+    __tablename__ = "message_attachments"
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    message_id = Column(Integer)
+    owner_user_id = Column(String)
+    kind = Column(Text, nullable=False, server_default="image")
+    mime_type = Column(Text, nullable=False)
+    storage_url = Column(Text, nullable=False)
+    width = Column(Integer)
+    height = Column(Integer)
+    bytes = Column(Integer)
+    created_at = Column(DateTime, nullable=False, server_default=text("CURRENT_TIMESTAMP"))
+
+
+class GeneratedImage(Base):
+    """Output of the image_generate tool. Local file under uploads/."""
+    __tablename__ = "generated_images"
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    owner_user_id = Column(Text)
+    prompt = Column(Text, nullable=False)
+    model = Column(Text, nullable=False)
+    aspect_ratio = Column(Text, nullable=False, server_default="1:1")
+    storage_url = Column(Text, nullable=False)
+    bytes = Column(Integer, nullable=False, server_default="0")
+    created_at = Column(DateTime, nullable=False, server_default=text("CURRENT_TIMESTAMP"))
+    public = Column(Boolean, nullable=False, server_default=text("false"))
+    featured = Column(Boolean, nullable=False, server_default=text("false"))
+    tags = Column(JSONB, server_default=text("'[]'::jsonb"))
+    skill_origin = Column(Text)
 # 313:8
diff --git a/python/routes/chat.py b/python/routes/chat.py
index 19239c743..aee9bf6d7 100644
--- a/python/routes/chat.py
+++ b/python/routes/chat.py
@@ -124,6 +124,7 @@ class SendMessage(BaseModel):
     content: str
     model: Optional[str] = None
     agent_id: Optional[int] = None
+    attachment_ids: list[int] = []
 
 
 def _caller_uid(request: Request) -> Optional[str]:
@@ -209,7 +210,13 @@ async def archive_conversation(conv_id: int, body: ArchiveConversation, request:
 async def list_messages(conv_id: int, request: Request):
     uid = _caller_uid(request)
     await _require_owned_conv(conv_id, uid)
-    return await storage.get_messages(conv_id)
+    msgs = await storage.get_messages(conv_id)
+    if msgs:
+        ids = [m["id"] for m in msgs]
+        att_map = await storage.get_attachments_for_messages(ids)
+        for m in msgs:
+            m["attachments"] = att_map.get(m["id"], [])
+    return msgs
 
 
 async def _build_system_prompt(tier: str, agent_persona: str | None = None) -> str:
@@ -473,12 +480,24 @@ async def send_message(conv_id: int, body: SendMessage, request: Request):
             "metadata": {"tier": tier},
         })
 
+        if body.attachment_ids:
+            await storage.attach_to_message(body.attachment_ids, user_msg["id"], uid)
+
         prior_msgs = await storage.get_messages(conv_id)
-        history = [
-            {"role": m["role"], "content": m["content"]}
-            for m in prior_msgs
-            if m["role"] in ("user", "assistant")
-        ]
+        msg_ids = [m["id"] for m in prior_msgs if m["role"] in ("user", "assistant")]
+        att_map = await storage.get_attachments_for_messages(msg_ids) if msg_ids else {}
+        history: list[dict] = []
+        for m in prior_msgs:
+            if m["role"] not in ("user", "assistant"):
+                continue
+            entry: dict = {"role": m["role"], "content": m["content"]}
+            atts = att_map.get(m["id"], [])
+            if atts:
+                entry["attachments"] = [
+                    {"storage_url": a.get("storage_url"), "mime_type": a.get("mime_type")}
+                    for a in atts
+                ]
+            history.append(entry)
 
         from ..services.tool_executor import set_approval_scope_user_id
         set_approval_scope_user_id(uid or None)
diff --git a/python/services/gemini_native.py b/python/services/gemini_native.py
index 953667910..6341f9985 100644
--- a/python/services/gemini_native.py
+++ b/python/services/gemini_native.py
@@ -127,10 +127,22 @@ def _messages_to_contents(messages: list[dict]) -> list[gtypes.Content]:
 
         if role in ("user", "assistant") and isinstance(content, str):
             g_role = "model" if role == "assistant" else "user"
-            contents.append(gtypes.Content(
-                role=g_role,
-                parts=[gtypes.Part.from_text(text=content)],
-            ))
+            parts: list[gtypes.Part] = []
+            if content:
+                parts.append(gtypes.Part.from_text(text=content))
+            # Inline image (or other media) attachments — prepared upstream by
+            # inference._build_provider_messages as {mime_type, data_b64}.
+            for a in (m.get("attachments") or []):
+                import base64 as _b64
+                try:
+                    raw = _b64.b64decode(a.get("data_b64", ""))
+                except Exception:
+                    continue
+                parts.append(gtypes.Part.from_bytes(
+                    data=raw, mime_type=a.get("mime_type", "image/png"),
+                ))
+            if parts:
+                contents.append(gtypes.Content(role=g_role, parts=parts))
 
     return contents
 
diff --git a/python/services/inference.py b/python/services/inference.py
index d9873fb6f..860b4b5b8 100644
--- a/python/services/inference.py
+++ b/python/services/inference.py
@@ -76,6 +76,101 @@ def _prepend_doctrine(system_prompt: Optional[str]) -> Optional[str]:
 # estimate (~4 chars/token) to skip cache_control when the prefix is too small.
 _ANTHROPIC_CACHE_MIN_CHARS = 4096
 
+
+def _resolve_attachment_path(storage_url: str) -> Optional[str]:
+    """Map a storage_url like '/uploads/foo.png' to an absolute local path."""
+    if not storage_url:
+        return None
+    base = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+    rel = storage_url.lstrip("/")
+    abs_path = os.path.join(base, rel)
+    return abs_path if os.path.isfile(abs_path) else None
+
+
+def _read_attachment_b64(storage_url: str) -> Optional[tuple[str, str]]:
+    """Return (mime_type, base64_data) for a local file referenced by storage_url, or None."""
+    import base64, mimetypes
+    p = _resolve_attachment_path(storage_url)
+    if not p:
+        return None
+    mime, _ = mimetypes.guess_type(p)
+    if not mime:
+        mime = "image/png"
+    try:
+        with open(p, "rb") as fh:
+            data = base64.b64encode(fh.read()).decode("ascii")
+    except OSError:
+        return None
+    return (mime, data)
+
+
+def _build_provider_messages(messages: list[dict], provider_id: str) -> list[dict]:
+    """Convert a list of {role, content, attachments?} messages into the
+    multimodal shape required by the target provider.
+
+    `attachments` items are dicts with at least `storage_url` and `mime_type`.
+    Only user-role messages carry attachments today; assistant/tool turns are
+    passed through unchanged. Vision content is appended to the user turn so
+    the doctrine system-prompt prefix remains byte-identical and cacheable.
+    """
+    out: list[dict] = []
+    for m in messages:
+        atts = m.get("attachments") or []
+        # Strip attachments key from passthrough copy regardless.
+        base = {k: v for k, v in m.items() if k != "attachments"}
+        if not atts or m.get("role") != "user":
+            out.append(base)
+            continue
+        text = base.get("content") if isinstance(base.get("content"), str) else ""
+
+        if provider_id in ("openai", "grok", "grok-fast", "grok-code"):
+            parts: list[dict] = []
+            if text:
+                parts.append({"type": "text", "text": text})
+            for a in atts:
+                pair = _read_attachment_b64(a.get("storage_url", ""))
+                if not pair:
+                    continue
+                mime, data = pair
+                parts.append({
+                    "type": "image_url",
+                    "image_url": {"url": f"data:{mime};base64,{data}"},
+                })
+            out.append({**base, "content": parts})
+            continue
+
+        if provider_id == "claude":
+            parts = []
+            if text:
+                parts.append({"type": "text", "text": text})
+            for a in atts:
+                pair = _read_attachment_b64(a.get("storage_url", ""))
+                if not pair:
+                    continue
+                mime, data = pair
+                parts.append({
+                    "type": "image",
+                    "source": {"type": "base64", "media_type": mime, "data": data},
+                })
+            out.append({**base, "content": parts})
+            continue
+
+        if provider_id in ("gemini", "gemini3"):
+            # Native Gemini path expects Part.from_bytes; preserve attachments
+            # so gemini_native._messages_to_contents can build inline_data parts.
+            inline = []
+            for a in atts:
+                pair = _read_attachment_b64(a.get("storage_url", ""))
+                if not pair:
+                    continue
+                mime, data = pair
+                inline.append({"mime_type": mime, "data_b64": data})
+            out.append({**base, "attachments": inline})
+            continue
+
+        out.append(base)
+    return out
+
 # Retry policy: 2 retries (3 attempts total) with jittered exponential backoff
 # on 429 and 5xx. 4xx other than 429 fail fast.
 _RETRY_MAX_ATTEMPTS = 3
@@ -236,6 +331,7 @@ async def call_energy_provider(
       - Gemini: not honored on the compat endpoint (no thinking_config support there)
     """
     system_prompt = _prepend_doctrine(system_prompt)
+    messages = _build_provider_messages(messages, provider_id)
 
     if provider_id == "openai":
         return await _call_openai_routed(messages, system_prompt, use_tools=use_tools, user_id=user_id, skip_approval=skip_approval)
diff --git a/python/services/tool_executor.py b/python/services/tool_executor.py
index 467531b29..6eac3b515 100644
--- a/python/services/tool_executor.py
+++ b/python/services/tool_executor.py
@@ -419,6 +419,39 @@
             },
         },
     },
+    {
+        "type": "function",
+        "function": {
+            "name": "image_generate",
+            "description": (
+                "Generate a new image from a text prompt using Google Imagen. "
+                "Returns {id, storage_url, prompt, aspect_ratio} pointing at a "
+                "PNG saved under uploads/ that you can reference back in your reply. "
+                "Use for infographics, illustrations, diagrams, or any visual the "
+                "user requested. Fails explicitly on provider error — no silent fallbacks."
+            ),
+            "parameters": {
+                "type": "object",
+                "properties": {
+                    "prompt": {
+                        "type": "string",
+                        "description": "Detailed natural-language description of the image to generate.",
+                    },
+                    "aspect_ratio": {
+                        "type": "string",
+                        "enum": ["1:1", "16:9", "9:16", "4:3", "3:4"],
+                        "description": "Output aspect ratio. Default 1:1 (square).",
+                        "default": "1:1",
+                    },
+                    "style_hint": {
+                        "type": "string",
+                        "description": "Optional style cue appended to the prompt (e.g. 'minimalist line-art', 'photorealistic', 'flat infographic').",
+                    },
+                },
+                "required": ["prompt"],
+            },
+        },
+    },
 ]
 
 # OpenAI Responses API — native web_search_preview replaces the custom web_search function.
@@ -911,6 +944,12 @@ async def _execute_tool_inner(name: str, arguments: dict) -> str:
                 text=arguments.get("text", ""),
                 reply_to=arguments.get("reply_to"),
             )
+        if name == "image_generate":
+            return await _image_generate(
+                prompt=arguments.get("prompt", ""),
+                aspect_ratio=arguments.get("aspect_ratio", "1:1"),
+                style_hint=arguments.get("style_hint"),
+            )
         return f"[unknown tool: {name}]"
     except Exception as exc:
         return f"[tool error — {name}: {exc}]"
@@ -1456,4 +1495,80 @@ async def _post_tweet(text: str, reply_to: str | None = None) -> str:
         })
     except Exception as exc:
         return json.dumps({"ok": False, "error": f"request failed: {exc}"})
+
+
+_IMAGE_MODEL = "imagen-3.0-generate-002"
+
+
+async def _image_generate(prompt: str, aspect_ratio: str = "1:1", style_hint: str | None = None) -> str:
+    """Generate an image with Google Imagen and persist it under uploads/.
+
+    Fails explicitly (raises) on provider error per a0 doctrine — the model
+    needs to see the failure rather than receive a silent fallback.
+    """
+    prompt = (prompt or "").strip()
+    if not prompt:
+        raise ValueError("image_generate: prompt is required")
+    valid_ratios = {"1:1", "16:9", "9:16", "4:3", "3:4"}
+    if aspect_ratio not in valid_ratios:
+        aspect_ratio = "1:1"
+    full_prompt = f"{prompt}\n\nStyle: {style_hint}" if style_hint else prompt
+
+    api_key = os.environ.get("GEMINI_API_KEY") or os.environ.get("GOOGLE_API_KEY")
+    if not api_key:
+        raise RuntimeError("image_generate: GEMINI_API_KEY not configured")
+
+    from google import genai as _genai
+    from google.genai import types as _gtypes
+
+    client = _genai.Client(api_key=api_key)
+
+    def _gen() -> bytes:
+        resp = client.models.generate_images(
+            model=_IMAGE_MODEL,
+            prompt=full_prompt,
+            config=_gtypes.GenerateImagesConfig(
+                number_of_images=1,
+                aspect_ratio=aspect_ratio,
+                output_mime_type="image/png",
+            ),
+        )
+        if not getattr(resp, "generated_images", None):
+            raise RuntimeError(f"image_generate: provider returned no images for prompt={prompt!r}")
+        gi = resp.generated_images[0]
+        img = getattr(gi, "image", None) or gi
+        data = getattr(img, "image_bytes", None)
+        if not data:
+            raise RuntimeError("image_generate: provider returned empty image_bytes")
+        return data
+
+    import asyncio as _asyncio
+    img_bytes = await _asyncio.to_thread(_gen)
+
+    import uuid
+    base = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+    uploads_dir = os.path.join(base, "uploads")
+    os.makedirs(uploads_dir, exist_ok=True)
+    fname = f"img-{uuid.uuid4().hex[:16]}.png"
+    abs_path = os.path.join(uploads_dir, fname)
+    with open(abs_path, "wb") as fh:
+        fh.write(img_bytes)
+    storage_url = f"/uploads/{fname}"
+
+    from ..storage import storage as _storage
+    uid = _approval_scope_user_cv.get()
+    row = await _storage.create_generated_image({
+        "owner_user_id": uid,
+        "prompt": prompt,
+        "model": _IMAGE_MODEL,
+        "aspect_ratio": aspect_ratio,
+        "storage_url": storage_url,
+        "bytes": len(img_bytes),
+    })
+    return json.dumps({
+        "id": row.get("id"),
+        "storage_url": storage_url,
+        "prompt": prompt,
+        "aspect_ratio": aspect_ratio,
+    })
 # 633:14
diff --git a/python/storage/core.py b/python/storage/core.py
index 991e67a23..6fb30f841 100644
--- a/python/storage/core.py
+++ b/python/storage/core.py
@@ -8,7 +8,7 @@
 from ..models import (
     Conversation, Message, AutomationTask, CommandHistory,
     A0pEvent, HeartbeatLog, CostMetric, EdcmSnapshot,
-    BanditArm, CustomTool, ToolResult,
+    BanditArm, CustomTool, ToolResult, MessageAttachment, GeneratedImage,
 )
 
 
@@ -133,6 +133,59 @@ async def create_message(self, data: Dict[str, Any]) -> Dict[str, Any]:
             await session.refresh(msg)
             return _row_to_dict(msg)
 
+    async def create_message_attachment(self, data: Dict[str, Any]) -> Dict[str, Any]:
+        async with get_session() as session:
+            row = MessageAttachment(**data)
+            session.add(row)
+            await session.flush()
+            await session.refresh(row)
+            return _row_to_dict(row)
+
+    async def get_attachment(self, att_id: int) -> Optional[Dict[str, Any]]:
+        async with get_session() as session:
+            r = await session.execute(select(MessageAttachment).where(MessageAttachment.id == att_id))
+            return _row_to_dict(r.scalar_one_or_none())
+
+    async def get_attachments_for_messages(self, message_ids: List[int]) -> Dict[int, List[Dict[str, Any]]]:
+        if not message_ids:
+            return {}
+        async with get_session() as session:
+            r = await session.execute(
+                select(MessageAttachment).where(MessageAttachment.message_id.in_(message_ids))
+                .order_by(asc(MessageAttachment.id))
+            )
+            out: Dict[int, List[Dict[str, Any]]] = {}
+            for row in r.scalars().all():
+                d = _row_to_dict(row)
+                out.setdefault(d["message_id"], []).append(d)
+            return out
+
+    async def attach_to_message(self, attachment_ids: List[int], message_id: int, owner_user_id: Optional[str]) -> int:
+        """Link previously-uploaded, owner-matching, currently-unattached
+        attachments to the given message. Returns the count of rows linked."""
+        if not attachment_ids:
+            return 0
+        async with get_session() as session:
+            stmt = (
+                update(MessageAttachment)
+                .where(
+                    MessageAttachment.id.in_(attachment_ids),
+                    MessageAttachment.message_id.is_(None),
+                    MessageAttachment.owner_user_id == owner_user_id,
+                )
+                .values(message_id=message_id)
+            )
+            res = await session.execute(stmt)
+            return int(res.rowcount or 0)
+
+    async def create_generated_image(self, data: Dict[str, Any]) -> Dict[str, Any]:
+        async with get_session() as session:
+            row = GeneratedImage(**data)
+            session.add(row)
+            await session.flush()
+            await session.refresh(row)
+            return _row_to_dict(row)
+
     async def get_automation_tasks(self) -> List[Dict[str, Any]]:
         async with get_session() as session:
             result = await session.execute(
diff --git a/server/attachments.ts b/server/attachments.ts
new file mode 100644
index 000000000..126c14591
--- /dev/null
+++ b/server/attachments.ts
@@ -0,0 +1,69 @@
+// 1:0
+import path from "path";
+import fs from "fs";
+import crypto from "crypto";
+import type { Express, Request, Response } from "express";
+import multer from "multer";
+import { db } from "./db";
+import { messageAttachments } from "@shared/schema";
+
+const UPLOADS_DIR = path.resolve(process.cwd(), "uploads");
+if (!fs.existsSync(UPLOADS_DIR)) fs.mkdirSync(UPLOADS_DIR, { recursive: true });
+
+const ALLOWED_MIME = new Set([
+  "image/png", "image/jpeg", "image/webp", "image/gif",
+]);
+
+const storage = multer.diskStorage({
+  destination: (_req, _file, cb) => cb(null, UPLOADS_DIR),
+  filename: (_req, file, cb) => {
+    const ext = path.extname(file.originalname || "").toLowerCase().slice(0, 8) || ".bin";
+    const safeExt = /^\.[a-z0-9]+$/.test(ext) ? ext : ".bin";
+    const id = crypto.randomBytes(12).toString("hex");
+    cb(null, `att-${id}${safeExt}`);
+  },
+});
+
+const upload = multer({
+  storage,
+  limits: { fileSize: 10 * 1024 * 1024, files: 1 },
+  fileFilter: (_req, file, cb) => {
+    if (!ALLOWED_MIME.has(file.mimetype)) {
+      return cb(new Error(`unsupported mime_type: ${file.mimetype}`));
+    }
+    cb(null, true);
+  },
+});
+
+export function registerAttachmentRoutes(app: Express) {
+  app.post("/api/v1/attachments", (req: Request, res: Response) => {
+    const userId = req.session?.userId;
+    if (!userId) {
+      return res.status(401).json({ error: "Unauthorized" });
+    }
+    upload.single("file")(req, res, async (err: unknown) => {
+      if (err) {
+        const msg = err instanceof Error ? err.message : "upload failed";
+        return res.status(400).json({ error: msg });
+      }
+      const file = (req as Request & { file?: Express.Multer.File }).file;
+      if (!file) return res.status(400).json({ error: "no file" });
+      try {
+        const storageUrl = `/uploads/${file.filename}`;
+        const [row] = await db.insert(messageAttachments).values({
+          ownerUserId: userId,
+          kind: "image",
+          mimeType: file.mimetype,
+          storageUrl,
+          bytes: file.size,
+        }).returning();
+        res.json({ id: row.id, storage_url: storageUrl, mime_type: file.mimetype, bytes: file.size });
+      } catch (e) {
+        try { fs.unlinkSync(file.path); } catch {}
+        const msg = e instanceof Error ? e.message : "db insert failed";
+        res.status(500).json({ error: msg });
+      }
+    });
+  });
+}
+// 1:0
diff --git a/server/index.ts b/server/index.ts
index 82a678d9f..1a0e987d5 100644
--- a/server/index.ts
+++ b/server/index.ts
@@ -5,6 +5,7 @@ import fs from "fs";
 import crypto from "crypto";
 import { spawn, type ChildProcess } from "child_process";
 import express from "express";
+import multer from "multer";
 import { createProxyMiddleware, fixRequestBody } from "http-proxy-middleware";
 import {
   setupAuth,
@@ -12,6 +13,7 @@ import {
   registerGuestChatRoute,
   seedAdminUser,
 } from "./auth";
+import { registerAttachmentRoutes } from "./attachments";
 
 const app = express();
 const PORT = parseInt(process.env.PORT ?? "5000", 10);
@@ -83,8 +85,19 @@ async function waitForPython(maxWaitMs = 120_000): Promise<void> {
   await setupAuth(app);
   registerAuthRoutes(app);
   registerGuestChatRoute(app);
+  registerAttachmentRoutes(app);
   await seedAdminUser();
 
+  // Serve uploaded files (images attached to chat messages, generated images).
+  // Authed gate: any session-authenticated user may read; the path is opaque
+  // (uuid-based) so unauthenticated guessing is infeasible but we still gate.
+  const UPLOADS_DIR = path.resolve(process.cwd(), "uploads");
+  if (!fs.existsSync(UPLOADS_DIR)) fs.mkdirSync(UPLOADS_DIR, { recursive: true });
+  app.use("/uploads", (req, res, next) => {
+    if (!req.session?.userId) return res.status(401).json({ error: "Unauthorized" });
+    next();
+  }, express.static(UPLOADS_DIR, { maxAge: "1h" }));
+
   // Serve the a0 CLI script as plain text so users can `curl -fsSL <host>/a0 -o ~/.local/bin/a0`.
   app.get("/a0", (_req, res) => {
     const cliPath = path.resolve(process.cwd(), "scripts", "a0-cli.sh");
diff --git a/shared/schema.ts b/shared/schema.ts
index 92ed7ec22..0e7d98c17 100644
--- a/shared/schema.ts
+++ b/shared/schema.ts
@@ -567,4 +567,40 @@ export const toolResults = pgTable("tool_results", {
 export const insertToolResultSchema = createInsertSchema(toolResults).omit({ id: true, createdAt: true });
 export type ToolResult = typeof toolResults.$inferSelect;
 export type InsertToolResult = z.infer<typeof insertToolResultSchema>;
+
+export const messageAttachments = pgTable("message_attachments", {
+  id: serial("id").primaryKey(),
+  messageId: integer("message_id").references(() => messages.id, { onDelete: "cascade" }),
+  ownerUserId: varchar("owner_user_id"),
+  kind: text("kind").notNull().default("image"),
+  mimeType: text("mime_type").notNull(),
+  storageUrl: text("storage_url").notNull(),
+  width: integer("width"),
+  height: integer("height"),
+  bytes: integer("bytes"),
+  createdAt: timestamp("created_at").default(sql`CURRENT_TIMESTAMP`).notNull(),
+}, (t) => [index("idx_message_attachments_message").on(t.messageId)]);
+
+export const insertMessageAttachmentSchema = createInsertSchema(messageAttachments).omit({ id: true, createdAt: true });
+export type MessageAttachment = typeof messageAttachments.$inferSelect;
+export type InsertMessageAttachment = z.infer<typeof insertMessageAttachmentSchema>;
+
+export const generatedImages = pgTable("generated_images", {
+  id: serial("id").primaryKey(),
+  ownerUserId: text("owner_user_id"),
+  prompt: text("prompt").notNull(),
+  model: text("model").notNull(),
+  aspectRatio: text("aspect_ratio").notNull().default("1:1"),
+  storageUrl: text("storage_url").notNull(),
+  bytes: integer("bytes").notNull().default(0),
+  createdAt: timestamp("created_at").default(sql`CURRENT_TIMESTAMP`).notNull(),
+  public: boolean("public").notNull().default(false),
+  featured: boolean("featured").notNull().default(false),
+  tags: jsonb("tags").$type<string[]>().default([]),
+  skillOrigin: text("skill_origin"),
+});
+
+export const insertGeneratedImageSchema = createInsertSchema(generatedImages).omit({ id: true, createdAt: true });
+export type GeneratedImage = typeof generatedImages.$inferSelect;
+export type InsertGeneratedImage = z.infer<typeof insertGeneratedImageSchema>;
 // 381:13

From 5d47e491653ec1a52d31bc4758558bd39529f234 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Mon, 20 Apr 2026 04:22:55 +0000
Subject: [PATCH 48/61] Add a skill to document a core architectural pattern
 for creating registries

Adds a new skill file that codifies the self-declaring module pattern, detailing rules for schema and handler colocation, deterministic scanning, and registration by file presence.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 78ee0f82-ed53-4194-bc57-78425698cedd
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/uFXSsWO
Replit-Helium-Checkpoint-Created: true
---
 .../a0p-self-declaring-modules/SKILL.md       | 138 ++++++++++++++++++
 1 file changed, 138 insertions(+)
 create mode 100644 .agents/skills/a0p-self-declaring-modules/SKILL.md

diff --git a/.agents/skills/a0p-self-declaring-modules/SKILL.md b/.agents/skills/a0p-self-declaring-modules/SKILL.md
new file mode 100644
index 000000000..54c744c3d
--- /dev/null
+++ b/.agents/skills/a0p-self-declaring-modules/SKILL.md
@@ -0,0 +1,138 @@
+---
+name: a0p-self-declaring-modules
+description: The core architectural pattern in a0p for building registries that grow without central edits. Each module declares its own metadata + handler in one file, a filesystem scanner discovers them at boot, and the registry is generated. Used by route modules, distill skills, a0-skills, and (now) tools. Pairs with a0p-module-doctrine which enforces the 400-line cap that this pattern naturally satisfies. Load this skill before building any new registry, refactoring a centralized dispatcher, or adding a "drop-a-file-and-it-shows-up" surface.
+---
+
+# Self-Declaring Modules
+
+The pattern a0p uses everywhere a registry exists: **metadata + handler colocated in one file, scanner discovers them, registry is generated at boot.** Never edit a central list.
+
+This skill is the *meta-pattern*. The 400-line cap and `# DOC` conventions in `a0p-module-doctrine` are how individual modules behave; this skill is how the *registries that hold them* are built.
+
+---
+
+## The Pattern
+
+```
+python/services/<registry_name>/
+├── __init__.py          # Scanner + dispatcher. Discovery only — no business logic.
+├── tool_a.py            # SCHEMA = {...} + async def handle(...)
+├── tool_b.py            # SCHEMA = {...} + async def handle(...)
+└── tool_c.py            # SCHEMA = {...} + async def handle(...)
+```
+
+Three rules. Violate any of them and the pattern degrades back into the central-dispatcher problem you were trying to escape.
+
+### Rule 1 — Schema and handler are colocated
+
+Every module exports both:
+
+```python
+# python/services/tools/image_generate.py
+SCHEMA = {
+    "type": "function",
+    "function": {
+        "name": "image_generate",
+        "description": "Generate an image with Imagen-3.",
+        "parameters": { ... },
+    },
+    "tier": "free",
+    "approval_scope": None,
+    "enabled": True,
+}
+
+async def handle(prompt: str, aspect_ratio: str = "1:1", **_) -> dict:
+    ...
+```
+
+If a future "schema in DB" overlay applies (operational toggles like `enabled`, `tier`, `description_override`), it merges *on top of* the file-declared SCHEMA — the file remains source of truth for shape.
+
+### Rule 2 — The scanner is deterministic and cache-stable
+
+```python
+def _discover() -> dict[str, ModuleType]:
+    out = {}
+    for path in sorted(glob.glob(_PATTERN)):    # sorted for stability
+        spec = importlib.util.spec_from_file_location(...)
+        mod = importlib.util.module_from_spec(spec)
+        spec.loader.exec_module(mod)
+        out[mod.SCHEMA["function"]["name"]] = mod
+    return out
+```
+
+- **`sorted(glob)`** — discovery order must be byte-identical across runs. Anything injected into prompt prefixes (manifest, tool list) must be cache-stable or you blow the prefix-cache savings.
+- **mtime fingerprint** — cache the discovery output keyed by `tuple((path, mtime) for path in files)`. Re-scan only when the fingerprint changes. See `_discover_a0_skills` and `_discover_distillers` in `tool_executor.py` for the canonical implementations.
+- **Lazy bodies, eager metadata** — load every SCHEMA at boot (cheap, prompt prefix needs them); load handler bodies on demand if they're heavy (image-gen SDK imports, etc.).
+
+### Rule 3 — Registration is by file presence, not by central list
+
+The registry is generated from the scanner output. There is **no `ALL_TOOLS = [...]` list to edit**. To add a tool, drop a file. To remove a tool, delete the file. To disable, set `SCHEMA["enabled"] = False`.
+
+This is why the pattern needs the 400-line cap (see `a0p-module-doctrine` §Hard Rules) — once you have it, no module ever grows large enough to need to be split, because each one is one tool / one route / one skill / one distiller.
+
+---
+
+## Existing examples in this codebase
+
+Read at least one before adding a new registry:
+
+| Registry | Location | Scanner | Notes |
+|---|---|---|---|
+| Route modules | `python/routes/*.py` | `collect_doc_meta()`, `collect_ui_meta()` | Has 4-place registration in `__init__.py` — legacy pattern, predates full discovery. New registries should not require manual registration. |
+| Distill skills | `.agents/skills/distill-*/SKILL.md` | `_discover_distillers()` in `tool_executor.py` | Pure-content; no handler. |
+| a0-skills | `.agents/skills/a0-*/SKILL.md` | `_discover_a0_skills()` in `tool_executor.py` | Manifest cached into doctrine prefix. |
+| ZFAE tools (legacy) | `python/services/tool_executor.py` (single file) | None — central registry | **Anti-pattern. Currently being refactored to this skill.** |
+
+---
+
+## Operational metadata fields (recommended)
+
+Every SCHEMA should declare these even when the value is the default — explicit > implicit, and the scanner can use them for filtering:
+
+```python
+SCHEMA = {
+    "type": "function",
+    "function": { ... },                # The OpenAI-shape function declaration
+
+    "tier": "free",                     # free | seeker | operator | patron | admin
+    "approval_scope": None,             # None or scope name from approval_scopes table
+    "enabled": True,                    # File-level enable; runtime DB overlay can flip
+    "category": "media",                # For UI grouping in tools tab
+    "cost_hint": "high",                # "free" | "low" | "medium" | "high"
+    "side_effects": ["filesystem"],     # ["filesystem", "network", "billing", "external_account"]
+    "version": 1,                       # Bump on breaking schema changes
+}
+```
+
+The scanner exposes a typed view (e.g. `class ToolSpec`) that other systems consume — never reach into raw SCHEMA dicts from outside the registry module.
+
+---
+
+## When NOT to use this pattern
+
+- **Single-implementation utilities** — `python/services/sigma.py` is one Σ store, not a registry. Don't fragment it.
+- **Cross-cutting concerns** — auth, logging, the doctrine prefix builder. These are not extensible by file-drop and shouldn't pretend to be.
+- **Anything called inside a hot loop** — the discovery scan is mtime-cached but adds at least one `os.stat` per file. Don't put per-request work behind it.
+
+---
+
+## Refactor checklist (when converting a central dispatcher to this pattern)
+
+1. Create `python/services/<name>/__init__.py` with scanner + dispatcher + cache.
+2. Extract each tool/handler/etc. to its own file. Each file: `SCHEMA = {...}` + `async def handle(...)`. Keep under 400 lines (`a0p-module-doctrine` §Hard Rules).
+3. Replace the central `TOOL_SCHEMAS_CHAT = [...]` and `if name == "x": ...` dispatch with calls into the registry.
+4. Verify boot: `python -c "from python.services.<name> import registry; print(len(registry()))"`.
+5. Run the existing tests — they should pass without modification if the dispatcher contract is preserved (`registry()`, `dispatch(name, **kwargs)`).
+6. Add one new test: `test_every_tool_module_declares_schema_and_handle` — parametrize over discovered modules, assert both attributes exist and SCHEMA validates.
+7. Re-stamp annotations: `python scripts/annotate.py`.
+8. Confirm `tool_executor.py` (or whatever the old central file was) is now a thin re-export shim or deleted entirely.
+
+---
+
+## Anti-patterns to refuse
+
+- **Registry edits required to add a module** — if a new file requires editing a central list, the pattern is broken.
+- **Schema in code, handler somewhere else** — guarantees drift. Same file, always.
+- **Non-deterministic discovery order** — `os.listdir()` without sorting will silently corrupt prompt-prefix caches across runs on different filesystems.
+- **One file declaring two registry entries** — split it. The 400-line cap is your friend here, not your enemy.
+- **Hot-reload that re-discovers on every request** — mtime cache or boot-time freeze. Pick one.

From 378333e65c8f8a9c88243cebc9282f90243714a5 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Mon, 20 Apr 2026 04:27:05 +0000
Subject: [PATCH 49/61] Improve tool and skill definitions with new metadata
 and constraints

This commit enhances the agent's tool and skill definitions by adding new metadata fields, clarifying the 400-line cap rule, and introducing security-related side-effect tags.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 9a64d717-2007-490a-b859-7483cfdac777
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/uFXSsWO
Replit-Helium-Checkpoint-Created: true
---
 .../a0p-self-declaring-modules/SKILL.md       |  38 ++++-
 .../.post_tweet.py.ebEYya_tKZCR1ysYeDbn3~     | 134 +++++++++++++++++
 python/services/tools/__init__.py             | 101 +++++++++++++
 python/services/tools/bandit_pull.py          |  32 ++++
 python/services/tools/edcm_score.py           |  39 +++++
 python/services/tools/github_api.py           | 111 ++++++++++++++
 python/services/tools/github_write_file.py    | 138 ++++++++++++++++++
 .../services/tools/manage_approval_scope.py   | 109 ++++++++++++++
 python/services/tools/memory_flush.py         |  34 +++++
 python/services/tools/pcna_infer.py           |  47 ++++++
 python/services/tools/pcna_reward.py          |  49 +++++++
 python/services/tools/sub_agent_merge.py      |  42 ++++++
 python/services/tools/sub_agent_spawn.py      |  43 ++++++
 python/services/tools/tool_result_fetch.py    |  71 +++++++++
 python/services/tools/web_search.py           |  78 ++++++++++
 15 files changed, 1065 insertions(+), 1 deletion(-)
 create mode 100644 python/services/tools/.post_tweet.py.ebEYya_tKZCR1ysYeDbn3~
 create mode 100644 python/services/tools/__init__.py
 create mode 100644 python/services/tools/bandit_pull.py
 create mode 100644 python/services/tools/edcm_score.py
 create mode 100644 python/services/tools/github_api.py
 create mode 100644 python/services/tools/github_write_file.py
 create mode 100644 python/services/tools/manage_approval_scope.py
 create mode 100644 python/services/tools/memory_flush.py
 create mode 100644 python/services/tools/pcna_infer.py
 create mode 100644 python/services/tools/pcna_reward.py
 create mode 100644 python/services/tools/sub_agent_merge.py
 create mode 100644 python/services/tools/sub_agent_spawn.py
 create mode 100644 python/services/tools/tool_result_fetch.py
 create mode 100644 python/services/tools/web_search.py

diff --git a/.agents/skills/a0p-self-declaring-modules/SKILL.md b/.agents/skills/a0p-self-declaring-modules/SKILL.md
index 54c744c3d..02d5e3082 100644
--- a/.agents/skills/a0p-self-declaring-modules/SKILL.md
+++ b/.agents/skills/a0p-self-declaring-modules/SKILL.md
@@ -70,6 +70,8 @@ The registry is generated from the scanner output. There is **no `ALL_TOOLS = [.
 
 This is why the pattern needs the 400-line cap (see `a0p-module-doctrine` §Hard Rules) — once you have it, no module ever grows large enough to need to be split, because each one is one tool / one route / one skill / one distiller.
 
+**The 400-line cap counts N only.** N is non-blank, non-comment code lines. Comments, docstrings, `# DOC` blocks, and the `# N:M` annotations themselves are M and do not count toward the cap. A 700-line file with `# 380:320` is compliant; a 410-line file with `# 410:0` is not. Document liberally; just keep the executable surface bounded.
+
 ---
 
 ## Existing examples in this codebase
@@ -99,13 +101,47 @@ SCHEMA = {
     "enabled": True,                    # File-level enable; runtime DB overlay can flip
     "category": "media",                # For UI grouping in tools tab
     "cost_hint": "high",                # "free" | "low" | "medium" | "high"
-    "side_effects": ["filesystem"],     # ["filesystem", "network", "billing", "external_account"]
+    "side_effects": ["filesystem"],     # see § Side-effect taxonomy below
     "version": 1,                       # Bump on breaking schema changes
+
+    "recommended_skills": [             # Skill slugs the model should load before/while using this tool.
+        "github-solution-finder",       # Names match a0-skill discovery (.agents/skills/a0-<name>/SKILL.md)
+    ],                                  # Surfaced to the model via the tool description tail.
 }
 ```
 
 The scanner exposes a typed view (e.g. `class ToolSpec`) that other systems consume — never reach into raw SCHEMA dicts from outside the registry module.
 
+### `recommended_skills` — wiring tools to skills
+
+A tool that performs a complex action almost always has a skill that documents how to do it well. Declare the skill name(s) in `recommended_skills` and the registry layer appends a one-line hint to the tool's description shown to the model:
+
+> *Best used with skill(s): github-solution-finder. Call `skill_load(name)` to fetch the body before executing.*
+
+This closes the loop between the two registries — the model sees the connection without you having to re-document it inside every prompt. When the model picks the tool, it already knows which skill to consult; when it loads the skill, the body teaches it how to use the tool well.
+
+Examples of expected pairings:
+- `image_generate` → `infographic-builder` (when the goal is structured information design, not just a picture)
+- `web_search` → `deep-research` (when the goal is multi-source synthesis, not a quick lookup)
+- `github_api` → `github-solution-finder` (when looking for libraries, not a known repo)
+- `port_scan` / `http_fuzz` / `web_recon` → a future `pentest-recon` skill that codifies safe scope, rate limits, evidence collection
+- `exploit_run` → a future `pentest-exploitation` skill with the rules-of-engagement template and report format
+
+### Side-effect taxonomy
+
+`side_effects` is a list. Use these tags so downstream gating (approval scopes, tier limits, audit log severity) can reason about a tool without reading its code:
+
+- `filesystem` — reads or writes local files
+- `network` — outbound HTTP / sockets to non-attacker-controlled targets (search, public APIs, your own GCP)
+- `billing` — costs money per call (image gen, paid LLM, paid API)
+- `external_account` — touches an account whose credentials we hold (Stripe writes, GitHub push, Gmail send)
+- `mutating_db` — writes to our own Postgres
+- `irreversible` — cannot be safely retried or rolled back
+- `security_passive` — pen-testing recon that does not generate traffic to the target (cert lookups, public DNS, leaked-credential search)
+- `security_active` — pen-testing traffic *to* a target system (port scan, fuzzer, exploit run, brute force). **Always set `approval_scope` for these.** The scope name should encode the target class so the user knows what they're approving (e.g. `pentest_active_scoped_targets`).
+
+A pen-testing tool with `side_effects: ["security_active", "network"]` and `approval_scope: "pentest_active_scoped_targets"` makes the gating obvious to every downstream system without anyone having to special-case offensive tooling.
+
 ---
 
 ## When NOT to use this pattern
diff --git a/python/services/tools/.post_tweet.py.ebEYya_tKZCR1ysYeDbn3~ b/python/services/tools/.post_tweet.py.ebEYya_tKZCR1ysYeDbn3~
new file mode 100644
index 000000000..a2abf7d4c
--- /dev/null
+++ b/python/services/tools/.post_tweet.py.ebEYya_tKZCR1ysYeDbn3~
@@ -0,0 +1,134 @@
+# 92:11
+"""post_tweet — post a tweet to X via OAuth 1.0a."""
+import base64
+import hashlib
+import hmac
+import json
+import os
+import secrets as _secrets
+import time as _time
+import urllib.parse
+import httpx
+
+SCHEMA = {
+    "type": "function",
+    "function": {
+        "name": "post_tweet",
+        "description": (
+            "Post a tweet to X (Twitter) using the configured OAuth 1.0a credentials. "
+            "Returns the new tweet's id and URL on success. "
+            "Text must be 1–280 characters. Optionally pass reply_to to reply to an existing tweet."
+        ),
+        "parameters": {
+            "type": "object",
+            "properties": {
+                "text": {
+                    "type": "string",
+                    "description": "Tweet text, 1–280 characters.",
+                },
+                "reply_to": {
+                    "type": "string",
+                    "description": "Optional tweet id to reply to.",
+                },
+            },
+            "required": ["text"],
+        },
+    },
+    "tier": "free",
+    "approval_scope": "publish",
+    "enabled": True,
+    "category": "social",
+    "cost_hint": "low",
+    "side_effects": ["network", "external_account"],
+    "version": 1,
+}
+
+
+def _oauth1_pct(s: str) -> str:
+    return urllib.parse.quote(str(s), safe="-._~")
+
+
+def _oauth1_header(method: str, url: str, consumer_key: str, consumer_secret: str,
+                   token: str, token_secret: str) -> str:
+    """Build an OAuth 1.0a HMAC-SHA1 Authorization header (no form-encoded body params)."""
+    oauth_params = {
+        "oauth_consumer_key": consumer_key,
+        "oauth_nonce": _secrets.token_hex(16),
+        "oauth_signature_method": "HMAC-SHA1",
+        "oauth_timestamp": str(int(_time.time())),
+        "oauth_token": token,
+        "oauth_version": "1.0",
+    }
+    parsed = urllib.parse.urlsplit(url)
+    base_url = f"{parsed.scheme}://{parsed.netloc}{parsed.path}"
+    query_params = dict(urllib.parse.parse_qsl(parsed.query, keep_blank_values=True))
+    sig_params = {**query_params, **oauth_params}
+    sorted_pairs = sorted(
+        (_oauth1_pct(k), _oauth1_pct(v)) for k, v in sig_params.items()
+    )
+    param_string = "&".join(f"{k}={v}" for k, v in sorted_pairs)
+    base_string = "&".join([
+        method.upper(),
+        _oauth1_pct(base_url),
+        _oauth1_pct(param_string),
+    ])
+    signing_key = f"{_oauth1_pct(consumer_secret)}&{_oauth1_pct(token_secret)}"
+    digest = hmac.new(signing_key.encode(), base_string.encode(), hashlib.sha1).digest()
+    oauth_params["oauth_signature"] = base64.b64encode(digest).decode()
+    header = "OAuth " + ", ".join(
+        f'{_oauth1_pct(k)}="{_oauth1_pct(v)}"'
+        for k, v in sorted(oauth_params.items())
+    )
+    return header
+
+
+async def handle(text: str = "", reply_to: str | None = None, **_) -> str:
+    text = (text or "").strip()
+    if not text:
+        return json.dumps({"ok": False, "error": "text is required"})
+    if len(text) > 280:
+        return json.dumps({"ok": False, "error": f"text too long ({len(text)}/280)"})
+
+    ck = os.environ.get("X_API_KEY")
+    cs = os.environ.get("X_API_SECRET")
+    tk = os.environ.get("X_ACCESS_TOKEN")
+    ts = os.environ.get("X_ACCESS_TOKEN_SECRET")
+    if not (ck and cs and tk and ts):
+        return json.dumps({
+            "ok": False,
+            "error": "missing X credentials — need X_API_KEY, X_API_SECRET, X_ACCESS_TOKEN, X_ACCESS_TOKEN_SECRET",
+        })
+
+    url = "https://api.x.com/2/tweets"
+    body: dict = {"text": text}
+    if reply_to:
+        body["reply"] = {"in_reply_to_tweet_id": str(reply_to)}
+
+    auth_header = _oauth1_header("POST", url, ck, cs, tk, ts)
+    try:
+        async with httpx.AsyncClient(timeout=15.0) as client:
+            resp = await client.post(
+                url,
+                json=body,
+                headers={
+                    "Authorization": auth_header,
+                    "Content-Type": "application/json",
+                    "User-Agent": "a0p/2.0",
+                },
+            )
+        try:
+            data = resp.json()
+        except Exception:
+            data = {"raw": resp.text}
+        if resp.status_code >= 300:
+            return json.dumps({"ok": False, "status": resp.status_code, "error": data})
+        tweet_id = (data.get("data") or {}).get("id")
+        return json.dumps({
+            "ok": True,
+            "id": tweet_id,
+            "url": f"https://x.com/i/web/status/{tweet_id}" if tweet_id else None,
+            "text": (data.get("data") or {}).get("text", text),
+        })
+    except Exception as exc:
+        return json.dumps({"ok": False, "error": f"request failed: {exc}"})
+# 92:11
diff --git a/python/services/tools/__init__.py b/python/services/tools/__init__.py
new file mode 100644
index 000000000..2abb124da
--- /dev/null
+++ b/python/services/tools/__init__.py
@@ -0,0 +1,101 @@
+# 76:30
+"""Tool registry — self-declaring per-tool modules.
+
+Discovery is filesystem-based: every `*.py` sibling that exports both a
+`SCHEMA` dict and an async `handle` callable is registered. Order is
+deterministic (sorted glob + sorted registry) so the prompt-prefix that
+includes the tool list comes out byte-identical across boots and the
+provider-side cache prefix stays valid.
+
+See .agents/skills/a0p-self-declaring-modules/SKILL.md for the pattern.
+"""
+import glob
+import importlib
+import os
+from dataclasses import dataclass
+from types import ModuleType
+from typing import Any, Callable
+
+_PKG_DIR = os.path.dirname(os.path.abspath(__file__))
+_PATTERN = os.path.join(_PKG_DIR, "*.py")
+_CACHE: dict = {"modules": None, "fingerprint": ""}
+
+
+@dataclass(frozen=True)
+class ToolSpec:
+    """Typed view over a tool module's SCHEMA + handler."""
+    schema: dict
+    handle: Callable[..., Any]
+    tier: str
+    approval_scope: str | None
+    enabled: bool
+    category: str
+    cost_hint: str
+    side_effects: tuple[str, ...]
+    version: int
+
+
+def _discover() -> dict[str, ModuleType]:
+    """Sorted-glob scan over sibling .py files. Mtime-fingerprinted cache."""
+    files = sorted(
+        p for p in glob.glob(_PATTERN)
+        if not os.path.basename(p).startswith("_")
+    )
+    fingerprint = "|".join(f"{p}:{os.path.getmtime(p)}" for p in files)
+    cached = _CACHE.get("modules")
+    if cached is not None and fingerprint == _CACHE.get("fingerprint"):
+        return cached
+    modules: dict[str, ModuleType] = {}
+    for path in files:
+        stem = os.path.basename(path)[:-3]
+        mod = importlib.import_module(f".{stem}", package=__name__)
+        if not hasattr(mod, "SCHEMA") or not hasattr(mod, "handle"):
+            continue
+        name = mod.SCHEMA["function"]["name"]
+        modules[name] = mod
+    _CACHE["modules"] = modules
+    _CACHE["fingerprint"] = fingerprint
+    return modules
+
+
+def registry() -> dict[str, ToolSpec]:
+    """Return {name: ToolSpec}, sorted by tool name for cache stability."""
+    mods = _discover()
+    out: dict[str, ToolSpec] = {}
+    for name in sorted(mods.keys()):
+        mod = mods[name]
+        s = mod.SCHEMA
+        out[name] = ToolSpec(
+            schema=s,
+            handle=mod.handle,
+            tier=s.get("tier", "free"),
+            approval_scope=s.get("approval_scope"),
+            enabled=bool(s.get("enabled", True)),
+            category=s.get("category", "misc"),
+            cost_hint=s.get("cost_hint", "low"),
+            side_effects=tuple(s.get("side_effects", ())),
+            version=int(s.get("version", 1)),
+        )
+    return out
+
+
+def tool_schemas_chat() -> list[dict]:
+    """OpenAI-shape function declarations for every enabled tool. Sorted."""
+    out: list[dict] = []
+    for spec in registry().values():
+        if not spec.enabled:
+            continue
+        out.append({
+            "type": spec.schema.get("type", "function"),
+            "function": spec.schema["function"],
+        })
+    return out
+
+
+async def dispatch(name: str, **kwargs) -> Any:
+    """Resolve a tool by name and await its handler. Raises KeyError if unknown."""
+    reg = registry()
+    if name not in reg:
+        raise KeyError(name)
+    return await reg[name].handle(**kwargs)
+# 76:30
diff --git a/python/services/tools/bandit_pull.py b/python/services/tools/bandit_pull.py
new file mode 100644
index 000000000..9df0555c6
--- /dev/null
+++ b/python/services/tools/bandit_pull.py
@@ -0,0 +1,32 @@
+# 17:1
+"""bandit_pull — query EDCM bandit router for recommended energy provider."""
+import json
+
+SCHEMA = {
+    "type": "function",
+    "function": {
+        "name": "bandit_pull",
+        "description": (
+            "Query the EDCM bandit router for the recommended energy provider "
+            "based on current ring coherence. Returns the selected provider ID and score."
+        ),
+        "parameters": {"type": "object", "properties": {}, "required": []},
+    },
+    "tier": "free",
+    "approval_scope": None,
+    "enabled": True,
+    "category": "routing",
+    "cost_hint": "free",
+    "side_effects": [],
+    "version": 1,
+}
+
+
+async def handle(**_) -> str:
+    from ..energy_registry import energy_registry
+    provider = energy_registry.get_active_provider()
+    return json.dumps({
+        "recommended_provider": provider,
+        "note": "Bandit router defers to coherence-weighted active provider",
+    })
+# 17:1
diff --git a/python/services/tools/edcm_score.py b/python/services/tools/edcm_score.py
new file mode 100644
index 000000000..55edcb1fa
--- /dev/null
+++ b/python/services/tools/edcm_score.py
@@ -0,0 +1,39 @@
+# 24:1
+"""edcm_score — return current EDCM ring coherence."""
+import json
+
+SCHEMA = {
+    "type": "function",
+    "function": {
+        "name": "edcm_score",
+        "description": (
+            "Return the current EDCM (Energy Directional Coherence Metric) score "
+            "and ring state for all three PCNA rings."
+        ),
+        "parameters": {"type": "object", "properties": {}, "required": []},
+    },
+    "tier": "free",
+    "approval_scope": None,
+    "enabled": True,
+    "category": "pcna",
+    "cost_hint": "free",
+    "side_effects": [],
+    "version": 1,
+}
+
+
+async def handle(**_) -> str:
+    from ...main import get_pcna as _get
+    pcna = _get()
+    return json.dumps({
+        "phi": round(pcna.phi.ring_coherence, 4),
+        "psi": round(pcna.psi.ring_coherence, 4),
+        "omega": round(pcna.omega.ring_coherence, 4),
+        "mean": round(
+            (pcna.phi.ring_coherence + pcna.psi.ring_coherence + pcna.omega.ring_coherence) / 3,
+            4,
+        ),
+        "infer_count": pcna.infer_count,
+        "reward_count": pcna.reward_count,
+    })
+# 24:1
diff --git a/python/services/tools/github_api.py b/python/services/tools/github_api.py
new file mode 100644
index 000000000..852c1368f
--- /dev/null
+++ b/python/services/tools/github_api.py
@@ -0,0 +1,111 @@
+# 71:18
+"""github_api — authenticated GitHub REST call."""
+import json
+import os
+import httpx
+
+SCHEMA = {
+    "type": "function",
+    "function": {
+        "name": "github_api",
+        "description": (
+            "Make an authenticated call to the GitHub REST API. WRITE OPERATIONS ARE FULLY SUPPORTED — "
+            "pass any JSON payload via the 'body' parameter for POST/PATCH/PUT requests. "
+            "Use this to read OR write repositories, issues, pull requests, commits, comments, branches, "
+            "releases, files, or any other GitHub resource. Authentication is handled automatically — "
+            "never include a token yourself. "
+            "For pushing FILE CHANGES, prefer the dedicated 'github_write_file' tool — it handles SHA "
+            "lookup and base64 encoding automatically. Use github_api directly only for non-file operations "
+            "or batched git-data operations. "
+            "Endpoint examples: "
+            "GET '/repos/The-Interdependency/a0/issues' — list issues; "
+            "POST '/repos/The-Interdependency/a0/issues' with body={title, body} — create issue; "
+            "POST '/repos/The-Interdependency/a0/pulls' with body={title, head, base, body} — open PR; "
+            "GET '/search/repositories?q=topic:ai' — search repos. "
+            "For the primary project repo use owner='The-Interdependency', repo='a0'."
+        ),
+        "parameters": {
+            "type": "object",
+            "properties": {
+                "method": {
+                    "type": "string",
+                    "enum": ["GET", "POST", "PATCH", "PUT", "DELETE"],
+                    "description": "HTTP method. POST/PATCH/PUT require 'body'.",
+                },
+                "endpoint": {
+                    "type": "string",
+                    "description": (
+                        "GitHub API path starting with '/'. "
+                        "Query parameters can be included inline, e.g. '/search/code?q=foo+repo:org/repo'."
+                    ),
+                },
+                "body": {
+                    "type": "object",
+                    "description": (
+                        "JSON body for POST/PATCH/PUT requests. Pass any object shape — the GitHub "
+                        "API determines what fields are valid for each endpoint. Example for creating "
+                        "an issue: {\"title\": \"Bug: X\", \"body\": \"Details...\", \"labels\": [\"bug\"]}. "
+                        "Omit only for GET/DELETE."
+                    ),
+                    "additionalProperties": True,
+                },
+            },
+            "required": ["method", "endpoint"],
+        },
+    },
+    "tier": "free",
+    "approval_scope": "github_write",
+    "enabled": True,
+    "category": "integration",
+    "cost_hint": "low",
+    "side_effects": ["network", "external_account"],
+    "version": 1,
+}
+
+
+async def call_github_api(method: str, endpoint: str, body: dict | None = None) -> str:
+    """Internal callable also reused by github_write_file."""
+    pat = os.environ.get("GITHUB_PAT", "")
+    if not pat:
+        return "[github_api: GITHUB_PAT not configured]"
+
+    method = method.upper()
+    url = f"https://api.github.com{endpoint}"
+    headers = {
+        "Authorization": f"Bearer {pat}",
+        "Accept": "application/vnd.github+json",
+        "X-GitHub-Api-Version": "2022-11-28",
+        "User-Agent": "a0p-zfae/2.0",
+    }
+    try:
+        async with httpx.AsyncClient(timeout=20.0) as client:
+            if method in ("POST", "PATCH", "PUT") and body:
+                resp = await client.request(method, url, json=body, headers=headers)
+            else:
+                resp = await client.request(method, url, headers=headers)
+        if resp.status_code == 204:
+            return json.dumps({"status": 204, "result": "ok (no content)"})
+        try:
+            data = resp.json()
+        except Exception:
+            text = (resp.text or "").strip()
+            if text.lower().startswith("<!doctype") or text.startswith("<"):
+                data = f"[non-JSON HTML response, {len(text)} bytes — likely 404/auth page]"
+            else:
+                data = text[:500] + ("…" if len(text) > 500 else "")
+        if resp.status_code >= 400:
+            return json.dumps({"status": resp.status_code, "endpoint": endpoint, "error": data})
+        if isinstance(data, list):
+            truncated = data[:25]
+            result: dict = {"status": resp.status_code, "count": len(data), "items": truncated}
+            if len(data) > 25:
+                result["note"] = f"Showing first 25 of {len(data)} items"
+            return json.dumps(result, default=str)
+        return json.dumps({"status": resp.status_code, "data": data}, default=str)
+    except Exception as exc:
+        return f"[github_api error: {exc}]"
+
+
+async def handle(method: str = "GET", endpoint: str = "/user", body: dict | None = None, **_) -> str:
+    return await call_github_api(method, endpoint, body)
+# 71:18
diff --git a/python/services/tools/github_write_file.py b/python/services/tools/github_write_file.py
new file mode 100644
index 000000000..7815389b6
--- /dev/null
+++ b/python/services/tools/github_write_file.py
@@ -0,0 +1,138 @@
+# 70:6
+"""github_write_file — single-file commit helper around the GitHub Contents API."""
+import base64 as _b64
+import json
+import os
+import urllib.parse
+
+from .github_api import call_github_api
+
+SCHEMA = {
+    "type": "function",
+    "function": {
+        "name": "github_write_file",
+        "description": (
+            "Create or update a single file in a GitHub repository in one call. "
+            "Handles base64 encoding of the content and SHA lookup for updates automatically — just "
+            "provide the path and the new file contents as plain text. Returns the commit SHA. "
+            "Use this for: editing source files, creating new files, updating docs, pushing config "
+            "changes. For multi-file commits or branch creation, use github_api with the git-data "
+            "endpoints instead. "
+            "Default repo is 'The-Interdependency/a0' on the 'main' branch when omitted."
+        ),
+        "parameters": {
+            "type": "object",
+            "properties": {
+                "path": {
+                    "type": "string",
+                    "description": (
+                        "Repository-relative file path, no leading slash. "
+                        "Examples: 'README.md', 'src/index.html', 'docs/changelog.md'."
+                    ),
+                },
+                "content": {
+                    "type": "string",
+                    "description": (
+                        "The full new contents of the file as plain UTF-8 text. "
+                        "Will be base64-encoded automatically. To delete a file, use github_api "
+                        "DELETE on /repos/{owner}/{repo}/contents/{path} instead."
+                    ),
+                },
+                "message": {
+                    "type": "string",
+                    "description": (
+                        "Commit message describing the change. "
+                        "Example: 'Update homepage hero copy to reflect platform pivot'."
+                    ),
+                },
+                "owner": {
+                    "type": "string",
+                    "description": "Repository owner. Defaults to 'The-Interdependency' when omitted.",
+                },
+                "repo": {
+                    "type": "string",
+                    "description": "Repository name. Defaults to 'a0' when omitted.",
+                },
+                "branch": {
+                    "type": "string",
+                    "description": "Target branch. Defaults to the repository's default branch (usually 'main') when omitted.",
+                },
+            },
+            "required": ["path", "content", "message"],
+        },
+    },
+    "tier": "free",
+    "approval_scope": "github_write",
+    "enabled": True,
+    "category": "integration",
+    "cost_hint": "low",
+    "side_effects": ["network", "external_account"],
+    "version": 1,
+}
+
+
+async def handle(
+    path: str = "",
+    content: str = "",
+    message: str = "",
+    owner: str | None = None,
+    repo: str | None = None,
+    branch: str | None = None,
+    **_,
+) -> str:
+    owner = owner or "The-Interdependency"
+    repo = repo or "a0"
+    if not path or not message:
+        return "[github_write_file: path and message are required]"
+    if not os.environ.get("GITHUB_PAT", ""):
+        return "[github_write_file: GITHUB_PAT not configured]"
+
+    safe_path = "/".join(urllib.parse.quote(p, safe="") for p in path.lstrip("/").split("/"))
+    contents_endpoint = f"/repos/{owner}/{repo}/contents/{safe_path}"
+
+    sha: str | None = None
+    lookup_endpoint = contents_endpoint + (f"?ref={urllib.parse.quote(branch)}" if branch else "")
+    lookup_raw = await call_github_api("GET", lookup_endpoint)
+    try:
+        lookup = json.loads(lookup_raw)
+        if isinstance(lookup, dict):
+            if lookup.get("status") == 200 and isinstance(lookup.get("data"), dict):
+                sha = lookup["data"].get("sha")
+            elif lookup.get("status") and lookup["status"] >= 400 and lookup["status"] != 404:
+                return json.dumps({
+                    "ok": False,
+                    "stage": "sha_lookup",
+                    "endpoint": lookup_endpoint,
+                    "error": lookup.get("error"),
+                })
+    except Exception:
+        pass
+
+    encoded = _b64.b64encode(content.encode("utf-8")).decode("ascii")
+    body: dict = {"message": message, "content": encoded}
+    if sha:
+        body["sha"] = sha
+    if branch:
+        body["branch"] = branch
+
+    write_raw = await call_github_api("PUT", contents_endpoint, body=body)
+    try:
+        write = json.loads(write_raw)
+    except Exception:
+        return write_raw
+
+    if isinstance(write, dict) and write.get("status") in (200, 201):
+        data = write.get("data", {}) or {}
+        commit = data.get("commit", {}) or {}
+        content_meta = data.get("content", {}) or {}
+        return json.dumps({
+            "ok": True,
+            "action": "updated" if sha else "created",
+            "path": path,
+            "branch": branch or "(default)",
+            "commit_sha": commit.get("sha"),
+            "commit_url": commit.get("html_url"),
+            "file_sha": content_meta.get("sha"),
+        })
+    return json.dumps({"ok": False, "stage": "write", "response": write})
+# 70:6
diff --git a/python/services/tools/manage_approval_scope.py b/python/services/tools/manage_approval_scope.py
new file mode 100644
index 000000000..149d19856
--- /dev/null
+++ b/python/services/tools/manage_approval_scope.py
@@ -0,0 +1,109 @@
+# 76:5
+"""manage_approval_scope — grant/revoke pre-approved action scopes."""
+import json
+
+SCHEMA = {
+    "type": "function",
+    "function": {
+        "name": "manage_approval_scope",
+        "description": (
+            "Grant or revoke a pre-approved action scope for the current user, removing the need to "
+            "type 'APPROVE gate-xxx' for every action in that category. "
+            "Available scopes: 'github_write' (push, PRs, issues), 'publish' (post/publish content), "
+            "'email_send' (send emails), 'outreach' (contact humans). "
+            "Safety-floor scopes (spend_money, change_permissions, change_secrets) cannot be pre-approved. "
+            "action='grant' adds the scope; action='revoke' removes it."
+        ),
+        "parameters": {
+            "type": "object",
+            "properties": {
+                "action": {
+                    "type": "string",
+                    "enum": ["grant", "revoke", "list"],
+                    "description": "Whether to grant, revoke, or list approval scopes.",
+                },
+                "scope": {
+                    "type": "string",
+                    "description": "The scope name to grant or revoke (omit for 'list').",
+                },
+            },
+            "required": ["action"],
+        },
+    },
+    "tier": "free",
+    "approval_scope": None,
+    "enabled": True,
+    "category": "governance",
+    "cost_hint": "free",
+    "side_effects": ["change_permissions"],
+    "version": 1,
+}
+
+
+async def handle(action: str = "list", scope: str | None = None, **_) -> str:
+    from ...storage import storage
+    from ...config.policy_loader import get_scope_categories, get_safety_floor_actions
+    from ..tool_executor import get_approval_scope_user_id
+
+    uid = get_approval_scope_user_id()
+    if not uid:
+        return "[manage_approval_scope: no user context — tool must be called within a chat request]"
+
+    categories = get_scope_categories()
+    safety_floor = set(get_safety_floor_actions())
+
+    if action == "list":
+        granted = await storage.get_approval_scopes(uid)
+        if not granted:
+            available = ", ".join(categories.keys())
+            return json.dumps({
+                "granted": [],
+                "available": list(categories.keys()),
+                "note": f"No scopes pre-approved. Available: {available}",
+            })
+        return json.dumps({
+            "granted": [r["scope"] for r in granted],
+            "available": list(categories.keys()),
+        })
+
+    if not scope:
+        return "[manage_approval_scope: 'scope' is required for grant/revoke]"
+
+    scope = scope.lower().strip()
+
+    if action == "grant":
+        if scope in safety_floor:
+            return json.dumps({
+                "ok": False,
+                "error": f"'{scope}' is on the safety floor and cannot be pre-approved.",
+            })
+        if scope not in categories:
+            return json.dumps({
+                "ok": False,
+                "error": f"Unknown scope '{scope}'. Valid: {list(categories.keys())}",
+            })
+        from ...storage.domain import check_scope_grant_tier
+        try:
+            await check_scope_grant_tier(uid)
+        except ValueError as _tier_err:
+            return json.dumps({"ok": False, "error": str(_tier_err)})
+        await storage.grant_approval_scope(uid, scope)
+        meta = categories[scope]
+        return json.dumps({
+            "ok": True,
+            "scope": scope,
+            "label": meta["label"],
+            "description": meta["description"],
+        })
+
+    if action == "revoke":
+        from ...storage.domain import check_scope_grant_tier
+        try:
+            await check_scope_grant_tier(uid)
+        except ValueError as _tier_err:
+            return json.dumps({"ok": False, "error": str(_tier_err)})
+        removed = await storage.revoke_approval_scope(uid, scope)
+        return json.dumps({"ok": removed, "scope": scope, "revoked": removed})
+
+    return f"[manage_approval_scope: unknown action '{action}']"
+# 76:5
diff --git a/python/services/tools/memory_flush.py b/python/services/tools/memory_flush.py
new file mode 100644
index 000000000..eb607f72f
--- /dev/null
+++ b/python/services/tools/memory_flush.py
@@ -0,0 +1,34 @@
+# 18:1
+"""memory_flush — persist active memory seeds to checkpoint."""
+import json
+
+SCHEMA = {
+    "type": "function",
+    "function": {
+        "name": "memory_flush",
+        "description": (
+            "Flush active memory seeds to checkpoint. "
+            "Call this when important context should be persisted for future sessions."
+        ),
+        "parameters": {"type": "object", "properties": {}, "required": []},
+    },
+    "tier": "free",
+    "approval_scope": None,
+    "enabled": True,
+    "category": "memory",
+    "cost_hint": "low",
+    "side_effects": ["filesystem"],
+    "version": 1,
+}
+
+
+async def handle(**_) -> str:
+    from ...main import get_pcna as _get
+    pcna = _get()
+    await pcna.save_checkpoint()
+    return json.dumps({
+        "flushed": True,
+        "checkpoint_key": pcna._checkpoint_key,
+        "infer_count": pcna.infer_count,
+    })
+# 18:1
diff --git a/python/services/tools/pcna_infer.py b/python/services/tools/pcna_infer.py
new file mode 100644
index 000000000..bd816acd9
--- /dev/null
+++ b/python/services/tools/pcna_infer.py
@@ -0,0 +1,47 @@
+# 23:3
+"""pcna_infer — run a signal through the PCNA tensor engine."""
+import json
+
+SCHEMA = {
+    "type": "function",
+    "function": {
+        "name": "pcna_infer",
+        "description": (
+            "Run a signal through the PCNA tensor engine. "
+            "Returns current phi/psi/omega ring coherence and the inferred output value."
+        ),
+        "parameters": {
+            "type": "object",
+            "properties": {
+                "signal": {
+                    "type": "number",
+                    "description": "Input signal strength, 0.0–1.0",
+                }
+            },
+            "required": ["signal"],
+        },
+    },
+    "tier": "free",
+    "approval_scope": None,
+    "enabled": True,
+    "category": "pcna",
+    "cost_hint": "low",
+    "side_effects": [],
+    "version": 1,
+}
+
+
+async def handle(signal: float = 0.5, **_) -> str:
+    from ...main import get_pcna as _get
+    pcna = _get()
+    signal = float(signal)
+    result = pcna.infer(str(signal))
+    return json.dumps({
+        "signal_in": signal,
+        "coherence_score": result.get("coherence_score"),
+        "winner": result.get("winner"),
+        "confidence": result.get("confidence"),
+        "phi_coherence": result.get("step6_coherence", {}).get("phi", round(pcna.phi.ring_coherence, 4)),
+        "infer_count": pcna.infer_count,
+    })
+# 23:3
diff --git a/python/services/tools/pcna_reward.py b/python/services/tools/pcna_reward.py
new file mode 100644
index 000000000..431efabd7
--- /dev/null
+++ b/python/services/tools/pcna_reward.py
@@ -0,0 +1,49 @@
+# 22:1
+"""pcna_reward — apply a reward signal to the PCNA engine."""
+import json
+
+SCHEMA = {
+    "type": "function",
+    "function": {
+        "name": "pcna_reward",
+        "description": (
+            "Apply a reward signal to the PCNA engine. "
+            "Use after evaluating the quality of a response — positive values reinforce, negative values correct."
+        ),
+        "parameters": {
+            "type": "object",
+            "properties": {
+                "score": {
+                    "type": "number",
+                    "description": "Reward value, typically -1.0 to 1.0",
+                },
+                "reason": {
+                    "type": "string",
+                    "description": "Brief explanation of why this reward is being applied",
+                },
+            },
+            "required": ["score"],
+        },
+    },
+    "tier": "free",
+    "approval_scope": None,
+    "enabled": True,
+    "category": "pcna",
+    "cost_hint": "low",
+    "side_effects": [],
+    "version": 1,
+}
+
+
+async def handle(score: float = 0.0, reason: str = "", **_) -> str:
+    from ...main import get_pcna as _get
+    pcna = _get()
+    score = float(score)
+    pcna.reward(winner="agent", outcome=score)
+    return json.dumps({
+        "applied_score": score,
+        "reason": reason or "not specified",
+        "reward_count": pcna.reward_count,
+        "last_coherence": round(pcna.last_coherence, 4),
+    })
+# 22:1
diff --git a/python/services/tools/sub_agent_merge.py b/python/services/tools/sub_agent_merge.py
new file mode 100644
index 000000000..561a36dfe
--- /dev/null
+++ b/python/services/tools/sub_agent_merge.py
@@ -0,0 +1,42 @@
+# 18:1
+"""sub_agent_merge — merge a sub-agent's ring state back into primary PCNA."""
+import json
+
+SCHEMA = {
+    "type": "function",
+    "function": {
+        "name": "sub_agent_merge",
+        "description": (
+            "Merge a completed sub-agent's learned ring state back into the primary PCNA. "
+            "Call after a sub-agent has finished its task."
+        ),
+        "parameters": {
+            "type": "object",
+            "properties": {
+                "agent_id": {
+                    "type": "string",
+                    "description": "Sub-agent ID returned by sub_agent_spawn",
+                }
+            },
+            "required": ["agent_id"],
+        },
+    },
+    "tier": "free",
+    "approval_scope": None,
+    "enabled": True,
+    "category": "agent",
+    "cost_hint": "low",
+    "side_effects": [],
+    "version": 1,
+}
+
+
+async def handle(agent_id: str = "", **_) -> str:
+    if not agent_id:
+        return "[sub_agent_merge: agent_id required]"
+    return json.dumps({
+        "agent_id": agent_id,
+        "status": "merged",
+        "note": "Ring state consolidated into primary PCNA",
+    })
+# 18:1
diff --git a/python/services/tools/sub_agent_spawn.py b/python/services/tools/sub_agent_spawn.py
new file mode 100644
index 000000000..00d357c30
--- /dev/null
+++ b/python/services/tools/sub_agent_spawn.py
@@ -0,0 +1,43 @@
+# 18:1
+"""sub_agent_spawn — fork a ZFAE sub-agent for a parallel task."""
+import json
+import uuid
+
+SCHEMA = {
+    "type": "function",
+    "function": {
+        "name": "sub_agent_spawn",
+        "description": (
+            "Spawn a ZFAE sub-agent with a forked PCNA instance to handle a specific task in parallel. "
+            "Returns the sub-agent ID."
+        ),
+        "parameters": {
+            "type": "object",
+            "properties": {
+                "task": {
+                    "type": "string",
+                    "description": "Description of the task for the sub-agent to execute",
+                }
+            },
+            "required": ["task"],
+        },
+    },
+    "tier": "free",
+    "approval_scope": None,
+    "enabled": True,
+    "category": "agent",
+    "cost_hint": "low",
+    "side_effects": [],
+    "version": 1,
+}
+
+
+async def handle(task: str = "", **_) -> str:
+    agent_id = f"a0z-{uuid.uuid4().hex[:8]}"
+    return json.dumps({
+        "agent_id": agent_id,
+        "task": task,
+        "status": "spawned",
+        "note": "Sub-agent forked PCNA — call sub_agent_merge with this ID when complete",
+    })
+# 18:1
diff --git a/python/services/tools/tool_result_fetch.py b/python/services/tools/tool_result_fetch.py
new file mode 100644
index 000000000..8f32729c7
--- /dev/null
+++ b/python/services/tools/tool_result_fetch.py
@@ -0,0 +1,71 @@
+# 33:13
+"""tool_result_fetch — read a chunk of a previously persisted tool result."""
+
+SCHEMA = {
+    "type": "function",
+    "function": {
+        "name": "tool_result_fetch",
+        "description": (
+            "Retrieve detail from a previous tool call's raw result that was "
+            "lost to distillation. Use when a distilled tool result references "
+            "a call_id (in the [distilled via ... call_id=...] header) and you "
+            "need to inspect the original payload. Returns one chunk at a time "
+            "with a header indicating total chunks. Do NOT use to re-fetch "
+            "fresh data — the result is whatever was captured at original call time."
+        ),
+        "parameters": {
+            "type": "object",
+            "properties": {
+                "call_id": {
+                    "type": "string",
+                    "description": "The call_id from a distillation header (e.g. 'call-a3f81b9c').",
+                },
+                "chunk": {
+                    "type": "integer",
+                    "description": "Zero-indexed chunk number to retrieve. Default 0.",
+                    "default": 0,
+                },
+                "chunk_size": {
+                    "type": "integer",
+                    "description": "Bytes per chunk. Default 8000 (~2K tokens). Max 32000.",
+                    "default": 8000,
+                },
+            },
+            "required": ["call_id"],
+        },
+    },
+    "tier": "free",
+    "approval_scope": None,
+    "enabled": True,
+    "category": "introspection",
+    "cost_hint": "free",
+    "side_effects": [],
+    "version": 1,
+}
+
+
+async def handle(call_id: str = "", chunk: int = 0, chunk_size: int = 8000, **_) -> str:
+    if not call_id:
+        return "[tool_result_fetch: missing call_id]"
+    chunk_size = max(1024, min(32000, int(chunk_size)))
+    try:
+        from ...storage import storage
+        row = await storage.get_tool_result(call_id)
+    except Exception as exc:
+        return f"[tool_result_fetch: storage error — {exc}]"
+    if not row:
+        return f"[tool_result_fetch: no result found for call_id={call_id}]"
+    raw = row.get("raw_result") or ""
+    total_bytes = len(raw.encode("utf-8"))
+    n_chunks = max(1, (len(raw) + chunk_size - 1) // chunk_size)
+    chunk = max(0, min(n_chunks - 1, int(chunk)))
+    start = chunk * chunk_size
+    end = start + chunk_size
+    body = raw[start:end]
+    tool_name = row.get("tool_name", "?")
+    return (
+        f"[tool_result_fetch · {tool_name} · call_id={call_id} · "
+        f"chunk {chunk + 1}/{n_chunks} · {total_bytes // 1024} KB total]\n\n"
+        f"{body}"
+    )
+# 33:13
diff --git a/python/services/tools/web_search.py b/python/services/tools/web_search.py
new file mode 100644
index 000000000..c991a1549
--- /dev/null
+++ b/python/services/tools/web_search.py
@@ -0,0 +1,78 @@
+# 50:6
+"""web_search — DuckDuckGo instant-answer lookup."""
+import urllib.parse
+import httpx
+
+SCHEMA = {
+    "type": "function",
+    "function": {
+        "name": "web_search",
+        "description": (
+            "Search the web for current information, news, or facts not in training data. "
+            "Returns a summary of top results."
+        ),
+        "parameters": {
+            "type": "object",
+            "properties": {
+                "query": {
+                    "type": "string",
+                    "description": "The search query",
+                }
+            },
+            "required": ["query"],
+        },
+    },
+    "tier": "free",
+    "approval_scope": None,
+    "enabled": True,
+    "category": "research",
+    "cost_hint": "low",
+    "side_effects": ["network"],
+    "version": 1,
+}
+
+
+async def handle(query: str = "", **_) -> str:
+    if not query.strip():
+        return "[web_search: empty query]"
+    encoded = urllib.parse.quote_plus(query)
+    url = (
+        f"https://api.duckduckgo.com/?q={encoded}"
+        f"&format=json&no_redirect=1&no_html=1&skip_disambig=1"
+    )
+    try:
+        async with httpx.AsyncClient(timeout=12.0) as client:
+            resp = await client.get(url, headers={"User-Agent": "a0p/2.0"})
+            resp.raise_for_status()
+            data = resp.json()
+        parts: list[str] = []
+        answer = data.get("Answer", "").strip()
+        if answer:
+            parts.append(f"Answer: {answer}")
+        abstract = (data.get("AbstractText") or data.get("Abstract") or "").strip()
+        if abstract:
+            parts.append(f"Summary: {abstract}")
+            source = data.get("AbstractURL") or data.get("AbstractSource", "")
+            if source:
+                parts.append(f"Source: {source}")
+        definition = data.get("Definition", "").strip()
+        if definition:
+            parts.append(f"Definition: {definition}")
+        topics = data.get("RelatedTopics", [])[:8]
+        for t in topics:
+            if isinstance(t, dict) and t.get("Text"):
+                parts.append(f"- {t['Text']}")
+            elif isinstance(t, dict) and t.get("Topics"):
+                for sub in t["Topics"][:3]:
+                    if sub.get("Text"):
+                        parts.append(f"  · {sub['Text']}")
+        if not parts:
+            return (
+                f"[web_search: DuckDuckGo returned no instant-answer data for '{query}'. "
+                f"This tool covers encyclopedic topics well; for very recent news or niche queries, "
+                f"results may be sparse.]"
+            )
+        return f"Query: {query}\n" + "\n".join(parts)
+    except Exception as exc:
+        return f"[web_search error: {exc}]"
+# 50:6

From 4a543cca5182cc44799917e2011a04eeb55c9aee Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Mon, 20 Apr 2026 04:33:33 +0000
Subject: [PATCH 50/61] Add new tools and refactor existing ones for better
 organization

Introduce new tools such as `image_generate`, `post_tweet`, and `set_user_tier`. Refactor `tool_executor.py` to improve its structure and reduce its line count. Update the tool registry to include `recommended_skills` and enforce security_active side-effects. Add new tests for the tool registry and improve existing tests.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: e524cff1-6359-4de6-887b-f1bd83736e1a
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/uFXSsWO
Replit-Helium-Checkpoint-Created: true
---
 client/src/components/AgentsTab.tsx           |    4 +-
 client/src/components/CliKeysTab.tsx          |    4 +-
 client/src/components/ForgeAgentChat.tsx      |    2 +
 client/src/components/ForgeTab.tsx            |    2 +
 client/src/components/LiminalsTab.tsx         |    2 +
 client/src/components/ProviderSeedCard.tsx    |    4 +-
 client/src/components/TabRenderer.tsx         |    4 +-
 client/src/components/chat-input.tsx          |    4 +-
 client/src/components/chat-messages.tsx       |    4 +-
 client/src/components/chat-widgets.tsx        |    4 +-
 client/src/components/top-nav.tsx             |    4 +-
 client/src/hooks/use-billing-status.ts        |    4 +-
 client/src/hooks/use-skin.ts                  |    2 +
 client/src/main.tsx                           |    4 +-
 client/src/pages/chat.tsx                     |    4 +-
 client/src/pages/console.tsx                  |    4 +-
 client/src/pages/login.tsx                    |    4 +-
 client/src/pages/pricing.tsx                  |    4 +-
 playwright.config.ts                          |    2 +
 python/database.py                            |    4 +-
 python/main.py                                |    4 +-
 python/models.py                              |    4 +-
 python/routes/__init__.py                     |    4 +-
 python/routes/billing.py                      |    4 +-
 python/routes/billing_helpers.py              |    4 +-
 python/routes/chat.py                         |    4 +-
 python/routes/contexts.py                     |    4 +-
 python/routes/energy.py                       |    4 +-
 python/routes/focus.py                        |    4 +-
 python/routes/forge.py                        |    4 +-
 python/routes/founders.py                     |    4 +-
 python/routes/liminals.py                     |    2 +
 python/routes/tools.py                        |    4 +-
 python/routes/ws_modules.py                   |    4 +-
 python/services/bg_tasks.py                   |    4 +-
 python/services/energy_registry.py            |    4 +-
 python/services/gemini_native.py              |    2 +
 python/services/inference.py                  |    4 +-
 python/services/openai_router.py              |    4 +-
 python/services/stripe_service.py             |    4 +-
 python/services/tool_distill.py               |  162 ++
 python/services/tool_executor.py              | 1510 ++---------------
 python/services/tools/__init__.py             |   48 +-
 python/services/tools/bandit_pull.py          |    4 +-
 python/services/tools/edcm_score.py           |    4 +-
 python/services/tools/github_api.py           |    4 +-
 python/services/tools/github_write_file.py    |    4 +-
 python/services/tools/image_generate.py       |  119 ++
 .../services/tools/manage_approval_scope.py   |    4 +-
 python/services/tools/memory_flush.py         |    4 +-
 python/services/tools/pcna_infer.py           |    4 +-
 python/services/tools/pcna_reward.py          |    4 +-
 ...y.ebEYya_tKZCR1ysYeDbn3~ => post_tweet.py} |    4 +-
 python/services/tools/set_user_tier.py        |   85 +
 python/services/tools/sub_agent_merge.py      |    4 +-
 python/services/tools/sub_agent_spawn.py      |    4 +-
 python/services/tools/tool_result_fetch.py    |    4 +-
 python/services/tools/web_search.py           |    4 +-
 python/storage/core.py                        |    4 +-
 server/attachments.ts                         |    4 +-
 server/auth/routes.ts                         |    4 +-
 server/auth/setup.ts                          |    4 +-
 server/index.ts                               |    4 +-
 server/types.d.ts                             |    4 +-
 shared/schema.ts                              |    4 +-
 tests/conftest.py                             |    4 +-
 tests/e2e/console-tabs.spec.ts                |    2 +
 tests/test_live_server.py                     |    4 +-
 tests/test_route_imports.py                   |    4 +-
 tests/test_skills.py                          |    4 +-
 tests/test_tools_registry.py                  |   60 +
 vite.config.ts                                |    4 +-
 72 files changed, 780 insertions(+), 1452 deletions(-)
 create mode 100644 python/services/tool_distill.py
 create mode 100644 python/services/tools/image_generate.py
 rename python/services/tools/{.post_tweet.py.ebEYya_tKZCR1ysYeDbn3~ => post_tweet.py} (99%)
 create mode 100644 python/services/tools/set_user_tier.py
 create mode 100644 tests/test_tools_registry.py

diff --git a/client/src/components/AgentsTab.tsx b/client/src/components/AgentsTab.tsx
index 05e9285df..0e2709227 100644
--- a/client/src/components/AgentsTab.tsx
+++ b/client/src/components/AgentsTab.tsx
@@ -1,4 +1,4 @@
-// 237:0
+// 622:1
 import { useState } from "react";
 import { useQuery, useMutation, useQueryClient } from "@tanstack/react-query";
 import {
@@ -677,4 +677,4 @@ export default function AgentsTab() {
     </TabShell>
   );
 }
-// 237:0
+// 622:1
diff --git a/client/src/components/CliKeysTab.tsx b/client/src/components/CliKeysTab.tsx
index 96a041d9d..6fed2d048 100644
--- a/client/src/components/CliKeysTab.tsx
+++ b/client/src/components/CliKeysTab.tsx
@@ -1,4 +1,4 @@
-// 145:0
+// 147:0
 import { useState } from "react";
 import { useQuery, useMutation } from "@tanstack/react-query";
 import { queryClient, apiRequest } from "@/lib/queryClient";
@@ -161,4 +161,4 @@ a0`}
     </div>
   );
 }
-// 145:0
+// 147:0
diff --git a/client/src/components/ForgeAgentChat.tsx b/client/src/components/ForgeAgentChat.tsx
index be6121160..96b2539f0 100644
--- a/client/src/components/ForgeAgentChat.tsx
+++ b/client/src/components/ForgeAgentChat.tsx
@@ -1,3 +1,4 @@
+// 179:4
 import { useEffect, useRef, useState } from "react";
 import { useQuery, useMutation } from "@tanstack/react-query";
 import { Plus, Loader2, MessageSquare, Trash2, X } from "lucide-react";
@@ -199,3 +200,4 @@ export default function ForgeAgentChat({ agentId, agentName, onClose }: Props) {
     </div>
   );
 }
+// 179:4
diff --git a/client/src/components/ForgeTab.tsx b/client/src/components/ForgeTab.tsx
index 427a9ec77..70d02ebee 100644
--- a/client/src/components/ForgeTab.tsx
+++ b/client/src/components/ForgeTab.tsx
@@ -1,3 +1,4 @@
+// 317:0
 import { useState } from "react";
 import { useQuery, useMutation } from "@tanstack/react-query";
 import { Hammer, Sparkles, Trash2, Loader2, MessageSquare } from "lucide-react";
@@ -334,3 +335,4 @@ export default function ForgeTab() {
     </div>
   );
 }
+// 317:0
diff --git a/client/src/components/LiminalsTab.tsx b/client/src/components/LiminalsTab.tsx
index d0549bb9c..b4b303e4e 100644
--- a/client/src/components/LiminalsTab.tsx
+++ b/client/src/components/LiminalsTab.tsx
@@ -1,3 +1,4 @@
+// 186:2
 import { useState } from "react";
 import { useQuery } from "@tanstack/react-query";
 import { Link } from "wouter";
@@ -199,3 +200,4 @@ export default function LiminalsTab() {
     </TabShell>
   );
 }
+// 186:2
diff --git a/client/src/components/ProviderSeedCard.tsx b/client/src/components/ProviderSeedCard.tsx
index 3802c3413..535fadbbb 100644
--- a/client/src/components/ProviderSeedCard.tsx
+++ b/client/src/components/ProviderSeedCard.tsx
@@ -1,4 +1,4 @@
-// 308:0
+// 309:1
 import { useMutation, useQueryClient } from "@tanstack/react-query";
 import {
   ChevronDown, ChevronRight, Cpu, Loader2, RefreshCw, ArrowDownUp,
@@ -333,4 +333,4 @@ export function ProviderSeedCard({ seed, isActive, isExpanded, onToggleExpand, a
     </Card>
   );
 }
-// 308:0
+// 309:1
diff --git a/client/src/components/TabRenderer.tsx b/client/src/components/TabRenderer.tsx
index 53836ee17..a4dc3609a 100644
--- a/client/src/components/TabRenderer.tsx
+++ b/client/src/components/TabRenderer.tsx
@@ -1,4 +1,4 @@
-// 99:0
+// 107:3
 import { useState, useCallback } from "react";
 import { useQuery, useQueryClient } from "@tanstack/react-query";
 import { Loader2 } from "lucide-react";
@@ -121,4 +121,4 @@ export default function TabRenderer({ tab }: TabRendererProps) {
     </TabShell>
   );
 }
-// 99:0
+// 107:3
diff --git a/client/src/components/chat-input.tsx b/client/src/components/chat-input.tsx
index 548606f47..d2a81df33 100644
--- a/client/src/components/chat-input.tsx
+++ b/client/src/components/chat-input.tsx
@@ -1,4 +1,4 @@
-// 1:0
+// 190:1
 import { useState, useRef, useEffect, useCallback } from "react";
 import { Button } from "@/components/ui/button";
 import { Textarea } from "@/components/ui/textarea";
@@ -201,4 +201,4 @@ export function ChatInput({
     </div>
   );
 }
-// 1:0
+// 190:1
diff --git a/client/src/components/chat-messages.tsx b/client/src/components/chat-messages.tsx
index b8975f3fe..aeee9cc0a 100644
--- a/client/src/components/chat-messages.tsx
+++ b/client/src/components/chat-messages.tsx
@@ -1,4 +1,4 @@
-// 253:0
+// 282:0
 import { useState } from "react";
 import ReactMarkdown from "react-markdown";
 import remarkGfm from "remark-gfm";
@@ -297,4 +297,4 @@ export function MessageBubble({ message, onSend }: { message: Message; onSend: (
     </div>
   );
 }
-// 253:0
+// 282:0
diff --git a/client/src/components/chat-widgets.tsx b/client/src/components/chat-widgets.tsx
index 1c452a314..0c3fbd652 100644
--- a/client/src/components/chat-widgets.tsx
+++ b/client/src/components/chat-widgets.tsx
@@ -1,4 +1,4 @@
-// 165:0
+// 211:8
 import { useState, useRef, useEffect } from "react";
 import { useQuery, useMutation, useQueryClient } from "@tanstack/react-query";
 import { Button } from "@/components/ui/button";
@@ -232,4 +232,4 @@ export function ContextBoostPanel({ convId }: { convId: number }) {
 }
 
 export { ChatInput } from "./chat-input";
-// 165:0
+// 211:8
diff --git a/client/src/components/top-nav.tsx b/client/src/components/top-nav.tsx
index a27f91769..7b433a5ca 100644
--- a/client/src/components/top-nav.tsx
+++ b/client/src/components/top-nav.tsx
@@ -1,4 +1,4 @@
-// 84:0
+// 138:0
 import { useLocation, Link } from "wouter";
 import { Zap, Shield, Palette, Check } from "lucide-react";
 import { cn } from "@/lib/utils";
@@ -143,4 +143,4 @@ export default function TopNav() {
     </nav>
   );
 }
-// 84:0
+// 138:0
diff --git a/client/src/hooks/use-billing-status.ts b/client/src/hooks/use-billing-status.ts
index 3c9017960..e4e3240f5 100644
--- a/client/src/hooks/use-billing-status.ts
+++ b/client/src/hooks/use-billing-status.ts
@@ -1,4 +1,4 @@
-// 40:0
+// 33:0
 import { useQuery } from "@tanstack/react-query";
 
 export interface BillingStatus {
@@ -37,4 +37,4 @@ export function useBillingStatus() {
     userId: data?.user_id ?? null,
   };
 }
-// 40:0
+// 33:0
diff --git a/client/src/hooks/use-skin.ts b/client/src/hooks/use-skin.ts
index 4725cd0e3..9b2aef87c 100644
--- a/client/src/hooks/use-skin.ts
+++ b/client/src/hooks/use-skin.ts
@@ -1,3 +1,4 @@
+// 33:0
 import { useCallback, useEffect, useState } from "react";
 
 export const SKINS = ["tensor", "synthwave", "copper"] as const;
@@ -40,3 +41,4 @@ export const SKIN_LABELS: Record<Skin, string> = {
   synthwave: "Synthwave Mesh",
   copper: "Copper Codex",
 };
+// 33:0
diff --git a/client/src/main.tsx b/client/src/main.tsx
index 45b8d0020..de3cc312b 100644
--- a/client/src/main.tsx
+++ b/client/src/main.tsx
@@ -1,4 +1,4 @@
-// 5:0
+// 10:0
 import { createRoot } from "react-dom/client";
 import App from "./App";
 import "./index.css";
@@ -12,4 +12,4 @@ const initial = saved && VALID_SKINS.includes(saved) ? saved : "tensor";
 document.documentElement.classList.add(`theme-${initial}`);
 
 createRoot(document.getElementById("root")!).render(<App />);
-// 5:0
+// 10:0
diff --git a/client/src/pages/chat.tsx b/client/src/pages/chat.tsx
index 7b77fa81c..715638a0b 100644
--- a/client/src/pages/chat.tsx
+++ b/client/src/pages/chat.tsx
@@ -1,4 +1,4 @@
-// 233:0
+// 310:5
 import { useState, useRef, useEffect } from "react";
 import { useQuery, useMutation, useQueryClient } from "@tanstack/react-query";
 import { apiRequest } from "@/lib/queryClient";
@@ -340,4 +340,4 @@ export default function ChatPage() {
     </div>
   );
 }
-// 233:0
+// 310:5
diff --git a/client/src/pages/console.tsx b/client/src/pages/console.tsx
index 246d26b15..af6db6d5a 100644
--- a/client/src/pages/console.tsx
+++ b/client/src/pages/console.tsx
@@ -1,4 +1,4 @@
-// 132:0
+// 185:7
 import { useState, useEffect, type ComponentType } from "react";
 import { AlertTriangle, Loader2, Pencil, PencilOff } from "lucide-react";
 import { useUiStructure } from "@/hooks/use-ui-structure";
@@ -208,4 +208,4 @@ export default function ConsolePage() {
     </WsEditContext.Provider>
   );
 }
-// 132:0
+// 185:7
diff --git a/client/src/pages/login.tsx b/client/src/pages/login.tsx
index b236a343e..d0586a2ad 100644
--- a/client/src/pages/login.tsx
+++ b/client/src/pages/login.tsx
@@ -1,4 +1,4 @@
-// 318:0
+// 319:0
 import { useState, useRef, useEffect } from "react";
 import { useForm } from "react-hook-form";
 import { zodResolver } from "@hookform/resolvers/zod";
@@ -343,4 +343,4 @@ export default function LoginPage() {
     </div>
   );
 }
-// 318:0
+// 319:0
diff --git a/client/src/pages/pricing.tsx b/client/src/pages/pricing.tsx
index 1b5d74239..1ef7320b0 100644
--- a/client/src/pages/pricing.tsx
+++ b/client/src/pages/pricing.tsx
@@ -1,4 +1,4 @@
-// 200:0
+// 306:0
 import { useState, useCallback } from "react";
 import { useLocation } from "wouter";
 import { useMutation, useQuery } from "@tanstack/react-query";
@@ -330,4 +330,4 @@ export default function PricingPage() {
     </div>
   );
 }
-// 200:0
+// 306:0
diff --git a/playwright.config.ts b/playwright.config.ts
index fb530f8d2..df347fa75 100644
--- a/playwright.config.ts
+++ b/playwright.config.ts
@@ -1,3 +1,4 @@
+// 23:0
 import { defineConfig, devices } from "@playwright/test";
 
 const PORT = process.env.PORT || "5000";
@@ -23,3 +24,4 @@ export default defineConfig({
     },
   ],
 });
+// 23:0
diff --git a/python/database.py b/python/database.py
index 2740cd381..f4ee1f4f0 100644
--- a/python/database.py
+++ b/python/database.py
@@ -1,4 +1,4 @@
-# 35:0
+# 36:0
 import os
 import asyncio
 from urllib.parse import urlparse, parse_qs, urlencode, urlunparse
@@ -44,4 +44,4 @@ async def get_session():
         except Exception:
             await session.rollback()
             raise
-# 35:0
+# 36:0
diff --git a/python/main.py b/python/main.py
index de13883ff..b34100563 100644
--- a/python/main.py
+++ b/python/main.py
@@ -1,4 +1,4 @@
-# 169:97
+# 177:132
 import os
 import time
 from contextlib import asynccontextmanager
@@ -343,4 +343,4 @@ async def ui_structure():
     @app.get("/{full_path:path}", include_in_schema=False)
     async def serve_spa(full_path: str):
         return FileResponse(os.path.join(STATIC_DIR, "index.html"))
-# 169:97
+# 177:132
diff --git a/python/models.py b/python/models.py
index ffbfc4943..72d54d484 100644
--- a/python/models.py
+++ b/python/models.py
@@ -1,4 +1,4 @@
-# 313:8
+# 354:17
 from sqlalchemy import (
     Column, Integer, String, Text, Boolean, Float, DateTime, JSON,
     ARRAY, ForeignKey, UniqueConstraint, Index, text
@@ -435,4 +435,4 @@ class GeneratedImage(Base):
     featured = Column(Boolean, nullable=False, server_default=text("false"))
     tags = Column(JSONB, server_default=text("'[]'::jsonb"))
     skill_origin = Column(Text)
-# 313:8
+# 354:17
diff --git a/python/routes/__init__.py b/python/routes/__init__.py
index f6b6b1050..b18d52987 100644
--- a/python/routes/__init__.py
+++ b/python/routes/__init__.py
@@ -1,4 +1,4 @@
-# 140:4
+# 153:4
 from .chat import router as chat_router
 from .agents import router as agents_router
 from .memory import router as memory_router
@@ -168,4 +168,4 @@ def collect_doc_meta() -> list[dict]:
             results.append(meta)
     results.sort(key=lambda d: d.get("label", ""))
     return results
-# 140:4
+# 153:4
diff --git a/python/routes/billing.py b/python/routes/billing.py
index cbf0d87cb..13f0eab53 100644
--- a/python/routes/billing.py
+++ b/python/routes/billing.py
@@ -1,4 +1,4 @@
-# 210:50
+# 371:80
 import os
 import math
 import stripe
@@ -535,4 +535,4 @@ async def _handle_subscription_deleted(sub: dict) -> None:
             """),
             {"cid": customer_id},
         )
-# 210:50
+# 371:80
diff --git a/python/routes/billing_helpers.py b/python/routes/billing_helpers.py
index c6f60fec4..163b80453 100644
--- a/python/routes/billing_helpers.py
+++ b/python/routes/billing_helpers.py
@@ -1,4 +1,4 @@
-# 10:0
+# 7:4
 """
 Billing helpers: subscription tier extraction from Stripe webhook data.
 """
@@ -14,4 +14,4 @@ def get_subscription_tier_from_items(items: list) -> Optional[str]:
 
 def is_supporter_subscription(metadata: dict) -> bool:
     return metadata.get("product_key") == "supporter"
-# 10:0
+# 7:4
diff --git a/python/routes/chat.py b/python/routes/chat.py
index aee9bf6d7..3658dbec3 100644
--- a/python/routes/chat.py
+++ b/python/routes/chat.py
@@ -1,4 +1,4 @@
-# 338:15
+# 433:46
 import time
 import traceback
 from fastapi import APIRouter, HTTPException, Request
@@ -549,4 +549,4 @@ async def send_message(conv_id: int, body: SendMessage, request: Request):
         tb = traceback.format_exc()
         print(f"[chat] send_message error: {exc}\n{tb}")
         raise HTTPException(status_code=500, detail=f"Chat error: {exc}")
-# 338:15
+# 433:46
diff --git a/python/routes/contexts.py b/python/routes/contexts.py
index d3267e38f..06016a826 100644
--- a/python/routes/contexts.py
+++ b/python/routes/contexts.py
@@ -1,4 +1,4 @@
-# 81:156
+# 77:156
 import math
 import os
 from fastapi import APIRouter, HTTPException, Request
@@ -277,4 +277,4 @@ async def save_core_context(body: CoreContextBody, request: Request):
     patch_endpoint="/api/v1/context/system-sections",
     query_key="/api/v1/contexts",
 ))
-# 81:156
+# 77:156
diff --git a/python/routes/energy.py b/python/routes/energy.py
index fbab873dc..68f368f8f 100644
--- a/python/routes/energy.py
+++ b/python/routes/energy.py
@@ -1,4 +1,4 @@
-# 127:16
+# 368:64
 # DOC module: energy
 # DOC label: Energy Providers
 # DOC description: Provider seed management — model_assignments, optimizer presets, PCNA core converge, and model discovery for all AI providers.
@@ -487,4 +487,4 @@ async def converge_provider_pcna(provider_id: str, request: Request):
     provider_core._checkpoint_key = f"pcna_provider_{provider_id}"
     await provider_core.save_checkpoint()
     return {"provider_id": provider_id, "converge_result": result}
-# 0:0
+# 368:64
diff --git a/python/routes/focus.py b/python/routes/focus.py
index e318ec2b9..a4c915e36 100644
--- a/python/routes/focus.py
+++ b/python/routes/focus.py
@@ -1,4 +1,4 @@
-# 211:17
+# 212:17
 # DOC module: focus
 # DOC label: Focus & Sub-agents
 # DOC description: Model focus management and sub-agent delegation. Provides context boost injection per conversation, focus regain directives, sub-agent background task launch, and error log retrieval for model calls.
@@ -278,4 +278,4 @@ async def subagent_status(conv_id: int, request: Request):
         result["error"] = conv.get("subagent_error")
 
     return result
-# 211:17
+# 212:17
diff --git a/python/routes/forge.py b/python/routes/forge.py
index 9b22f28d8..9a114ab32 100644
--- a/python/routes/forge.py
+++ b/python/routes/forge.py
@@ -1,4 +1,4 @@
-# 360:40
+# 318:32
 """The Forge — character-sheet style agent instantiation.
 
 Self-updating tool/model docs DB:
@@ -394,4 +394,4 @@ async def duel_stub() -> dict:
 def _jsonb(value) -> str:
     import json
     return json.dumps(value) if value is not None else "null"
-# 360:40
+# 318:32
diff --git a/python/routes/founders.py b/python/routes/founders.py
index d0d98ce0a..bb1f93f4f 100644
--- a/python/routes/founders.py
+++ b/python/routes/founders.py
@@ -1,4 +1,4 @@
-# 5:0
+# 2:4
 from fastapi import APIRouter
 
 # DOC module: founders
@@ -7,4 +7,4 @@
 # DOC tier: admin
 
 router = APIRouter(prefix="/api/v1/founders", tags=["founders"])
-# 5:0
+# 2:4
diff --git a/python/routes/liminals.py b/python/routes/liminals.py
index 5ce447e94..c3da6664b 100644
--- a/python/routes/liminals.py
+++ b/python/routes/liminals.py
@@ -1,3 +1,4 @@
+# 101:9
 from fastapi import APIRouter, HTTPException, Request
 
 from ..storage import storage
@@ -122,3 +123,4 @@ async def get_liminals(request: Request):
         "categories": categories,
         "total": sum(c["count"] for c in categories),
     }
+# 101:9
diff --git a/python/routes/tools.py b/python/routes/tools.py
index ac4d35d29..8d4357647 100644
--- a/python/routes/tools.py
+++ b/python/routes/tools.py
@@ -1,4 +1,4 @@
-# 87:9
+# 125:20
 from fastapi import APIRouter, HTTPException, Request
 from pydantic import BaseModel, ConfigDict
 from typing import Optional, Any
@@ -176,4 +176,4 @@ async def delete_tool(tool_id: int, request: Request):
     patch_endpoint="/api/v1/tools/{id}",
     query_key="/api/v1/tools",
 ))
-# 87:9
+# 125:20
diff --git a/python/routes/ws_modules.py b/python/routes/ws_modules.py
index 6121fb2a2..bb814ef82 100644
--- a/python/routes/ws_modules.py
+++ b/python/routes/ws_modules.py
@@ -1,4 +1,4 @@
-# 257:58
+# 265:62
 """WS Module registry API.
 
 Provides CRUD for user-defined and system-shadow console modules.
@@ -404,4 +404,4 @@ async def deactivate_module(module_id: int, body: DeactivateBody, request: Reque
     await get_registry().unmount_safe(module_id)
     updated = await storage.update_ws_module(module_id, {"status": "inactive"})
     return updated
-# 257:58
+# 265:62
diff --git a/python/services/bg_tasks.py b/python/services/bg_tasks.py
index dc73676dc..770a0aa67 100644
--- a/python/services/bg_tasks.py
+++ b/python/services/bg_tasks.py
@@ -1,4 +1,4 @@
-# 60:0
+# 36:14
 """Managed background task registry.
 
 Wraps `asyncio.create_task` so that:
@@ -60,4 +60,4 @@ async def cancel_all(timeout: float = 5.0) -> None:
 
 def active_count() -> int:
     return len(_tasks)
-# 60:0
+# 36:14
diff --git a/python/services/energy_registry.py b/python/services/energy_registry.py
index 4ebf3a0e2..389265506 100644
--- a/python/services/energy_registry.py
+++ b/python/services/energy_registry.py
@@ -1,4 +1,4 @@
-# 129:0
+# 211:16
 import os
 from sqlalchemy import text as sa_text
 
@@ -243,4 +243,4 @@ def cache_breakdown(usage: dict) -> dict:
 
 
 energy_registry = EnergyRegistry()
-# 129:0
+# 211:16
diff --git a/python/services/gemini_native.py b/python/services/gemini_native.py
index 6341f9985..a82035832 100644
--- a/python/services/gemini_native.py
+++ b/python/services/gemini_native.py
@@ -1,3 +1,4 @@
+# 187:46
 """Native google-genai SDK adapter for Gemini 2.5 and Gemini 3.
 
 Replaces the OpenAI-compat HTTP path for Gemini providers. Unlocks:
@@ -268,3 +269,4 @@ async def call_gemini_native(
 
     # Loop exit safeguard (shouldn't reach here).
     return "[gemini: tool loop exhausted]", accumulated
+# 187:46
diff --git a/python/services/inference.py b/python/services/inference.py
index 860b4b5b8..998d661b5 100644
--- a/python/services/inference.py
+++ b/python/services/inference.py
@@ -1,4 +1,4 @@
-# 355:27
+# 624:108
 import os
 import json
 import copy
@@ -835,4 +835,4 @@ async def _call_anthropic(
 
 def _fallback_response(provider_id: str) -> str:
     return f"[{provider_id} API key not configured — energy provider unavailable]"
-# 355:27
+# 624:108
diff --git a/python/services/openai_router.py b/python/services/openai_router.py
index 12d835ded..42774e35b 100644
--- a/python/services/openai_router.py
+++ b/python/services/openai_router.py
@@ -1,4 +1,4 @@
-# 117:21
+# 123:21
 import os
 import re
 from typing import Any
@@ -168,4 +168,4 @@ def make_approval_packet(task_text: str, gate_id: str) -> dict[str, Any]:
         "artifacts": [],
         "hmmm": {},
     }
-# 117:21
+# 123:21
diff --git a/python/services/stripe_service.py b/python/services/stripe_service.py
index adb72ccd6..eb4a8e059 100644
--- a/python/services/stripe_service.py
+++ b/python/services/stripe_service.py
@@ -1,4 +1,4 @@
-# 20:0
+# 29:0
 import os
 import stripe
 
@@ -35,4 +35,4 @@ def get_tier_context_name(tier: str) -> str:
         "admin": "tier_ws",
     }
     return mapping.get(tier, "tier_free")
-# 20:0
+# 29:0
diff --git a/python/services/tool_distill.py b/python/services/tool_distill.py
new file mode 100644
index 000000000..953847e6f
--- /dev/null
+++ b/python/services/tool_distill.py
@@ -0,0 +1,162 @@
+# 124:17
+"""Tool-result distillation runner.
+
+Wraps oversized tool outputs in either a soft (paraphrase) or hard
+(verbatim+citation) distillation pass through the active energy provider.
+This module is the *consumer* of the distiller skill loader that lives in
+`tool_executor.py`; the loader itself stays put per the refactor scope.
+"""
+import contextvars as _cv
+import json
+
+_TOOL_RESULT_PASS_TOKENS = 8000     # ~32 KB — under this, no summarization
+_TOOL_RESULT_HARD_CAP_TOKENS = 64000  # over this, pre-truncate before summarizing
+
+_caller_provider: _cv.ContextVar[str | None] = _cv.ContextVar(
+    "caller_provider", default=None
+)
+
+
+def set_caller_provider(provider_id: str | None):
+    """Pin the tool-result distiller to the same provider currently driving
+    the conversation. Returns the Token; pair with reset_caller_provider in
+    a finally block so per-call provider context never leaks across composed
+    agent invocations within one task."""
+    return _caller_provider.set(provider_id)
+
+
+def reset_caller_provider(token) -> None:
+    """Reset the caller_provider contextvar to its prior value."""
+    try:
+        _caller_provider.reset(token)
+    except (LookupError, ValueError, TypeError):
+        pass
+
+
+def flat_truncate(name: str, raw: str) -> str:
+    cap_chars = _TOOL_RESULT_PASS_TOKENS * 4
+    head = raw[: cap_chars - 256]
+    return (
+        f"{head}\n\n[output truncated: ~{len(raw) // 4} tokens → "
+        f"~{_TOOL_RESULT_PASS_TOKENS}; tool={name}]"
+    )
+
+
+def _try_parse_json_array(text: str) -> list | None:
+    """Tolerant JSON-array parser. Strips ```json fences and surrounding prose."""
+    if not text:
+        return None
+    s = text.strip()
+    if s.startswith("```"):
+        s = s.split("\n", 1)[1] if "\n" in s else s
+        if s.endswith("```"):
+            s = s.rsplit("```", 1)[0]
+        s = s.strip()
+    lb, rb = s.find("["), s.rfind("]")
+    if lb != -1 and rb != -1 and rb > lb:
+        s = s[lb:rb + 1]
+    try:
+        parsed = json.loads(s)
+    except (json.JSONDecodeError, ValueError):
+        return None
+    return parsed if isinstance(parsed, list) else None
+
+
+def _filter_valid_claims(items: list) -> list:
+    """Keep only items shaped like {claim, verbatim, source, ...}."""
+    out = []
+    for it in items:
+        if (isinstance(it, dict)
+                and isinstance(it.get("claim"), str) and it["claim"].strip()
+                and isinstance(it.get("verbatim"), str) and it["verbatim"].strip()
+                and isinstance(it.get("source"), str) and it["source"].strip()):
+            out.append(it)
+    return out
+
+
+async def maybe_summarize(
+    name: str, arguments: dict, raw: str, call_id: str | None,
+    pick_distiller, get_distiller_spec,
+) -> str:
+    """Pass small results through; distill large ones via a domain-specific
+    skill. Soft domains paraphrase; hard domains return verbatim+citation tuples.
+    `pick_distiller` and `get_distiller_spec` are injected so this module
+    doesn't pull in the distiller-loader subsystem directly."""
+    if not isinstance(raw, str):
+        raw = str(raw)
+    if len(raw) <= _TOOL_RESULT_PASS_TOKENS * 4:
+        return raw
+
+    provider = _caller_provider.get()
+    if not provider:
+        try:
+            from .energy_registry import energy_registry
+            provider = energy_registry.get_active_provider()
+        except Exception:
+            provider = None
+    if not provider:
+        return flat_truncate(name, raw)
+
+    domain = pick_distiller(raw)
+    spec = get_distiller_spec(domain)
+    skill_prompt = spec.get("prompt") or ""
+    is_hard = bool(spec.get("hard_domain"))
+    if not skill_prompt:
+        return flat_truncate(name, raw)
+
+    head = raw[: _TOOL_RESULT_HARD_CAP_TOKENS * 4]
+    args_preview = json.dumps(arguments)[:500] if arguments else "{}"
+    target_tokens = _TOOL_RESULT_PASS_TOKENS // 2
+    user_msg = f"Tool: {name}\nArgs: {args_preview}\n\n---\n\n{head}"
+
+    try:
+        from .inference import call_energy_provider
+        text, _usage = await call_energy_provider(
+            provider,
+            messages=[{"role": "user", "content": user_msg}],
+            system_prompt=skill_prompt,
+            max_tokens=target_tokens,
+            use_tools=False,
+        )
+        if not text or not text.strip():
+            return flat_truncate(name, raw)
+        if is_hard:
+            parsed = _try_parse_json_array(text)
+            valid = _filter_valid_claims(parsed) if parsed is not None else []
+            if not valid:
+                retry_msg = (
+                    "Your previous response was not a valid JSON array of claim "
+                    "objects. Return ONLY a JSON array. Each item must have "
+                    "non-empty 'claim', 'verbatim', and 'source' fields. No "
+                    "prose, no markdown fences. Same content rules apply."
+                )
+                text2, _ = await call_energy_provider(
+                    provider,
+                    messages=[
+                        {"role": "user", "content": user_msg},
+                        {"role": "assistant", "content": text},
+                        {"role": "user", "content": retry_msg},
+                    ],
+                    system_prompt=skill_prompt,
+                    max_tokens=target_tokens,
+                    use_tools=False,
+                )
+                parsed2 = _try_parse_json_array(text2 or "")
+                valid = _filter_valid_claims(parsed2) if parsed2 is not None else []
+                if not valid:
+                    return flat_truncate(name, raw)
+            text = json.dumps(valid, ensure_ascii=False)
+            cid_part = f" call_id={call_id}" if call_id else ""
+            return (
+                f"[distilled via {provider} · {domain} skill (hard, "
+                f"{len(valid)} claims): {len(raw) // 1024} KB → "
+                f"~{len(text) // 1024} KB{cid_part}]\n\n{text}"
+            )
+        cid_part = f" call_id={call_id}" if call_id else ""
+        return (
+            f"[distilled via {provider} · {domain} skill: "
+            f"{len(raw) // 1024} KB → ~{len(text) // 1024} KB{cid_part}]\n\n{text}"
+        )
+    except Exception:
+        return flat_truncate(name, raw)
+# 124:17
diff --git a/python/services/tool_executor.py b/python/services/tool_executor.py
index 6eac3b515..a35add250 100644
--- a/python/services/tool_executor.py
+++ b/python/services/tool_executor.py
@@ -1,553 +1,48 @@
-# 540:12
+# 316:55
+"""ZFAE Tool Executor — thin shim over the per-tool registry.
+
+Tools live in `python/services/tools/*.py` (one file per tool, self-declared
+SCHEMA + async handle). This module:
+  - Re-exports a stable TOOL_SCHEMAS_CHAT / TOOL_SCHEMAS_RESPONSES list
+    that includes the tool registry plus the two skill-surface tools
+    (skill_recommend, skill_load) that still live here.
+  - Wraps the registry dispatcher with the call_id persistence + distiller
+    summarization the inference loop relies on.
+  - Owns the distiller skill loader (.agents/skills/distill-*) and the a0
+    skill loader (.agents/skills/a0-*) — neither is a "tool".
+  - Owns the per-task _approval_scope_user_cv ContextVar that tools read via
+    get_approval_scope_user_id() and that chat.py sets via
+    set_approval_scope_user_id().
 """
-ZFAE Tool Executor — implements the actual functions behind each agent tool.
-Called by the inference loop when the LLM issues a tool_call.
-"""
-import base64
-import hashlib
-import hmac
-import json
-import os
-import secrets as _secrets
-import time as _time
-import urllib.parse
-import contextvars as _cv
-import httpx
-
-TOOL_SCHEMAS_CHAT = [
-    {
-        "type": "function",
-        "function": {
-            "name": "tool_result_fetch",
-            "description": (
-                "Retrieve detail from a previous tool call's raw result that was "
-                "lost to distillation. Use when a distilled tool result references "
-                "a call_id (in the [distilled via ... call_id=...] header) and you "
-                "need to inspect the original payload. Returns one chunk at a time "
-                "with a header indicating total chunks. Do NOT use to re-fetch "
-                "fresh data — the result is whatever was captured at original call time."
-            ),
-            "parameters": {
-                "type": "object",
-                "properties": {
-                    "call_id": {
-                        "type": "string",
-                        "description": "The call_id from a distillation header (e.g. 'call-a3f81b9c').",
-                    },
-                    "chunk": {
-                        "type": "integer",
-                        "description": "Zero-indexed chunk number to retrieve. Default 0.",
-                        "default": 0,
-                    },
-                    "chunk_size": {
-                        "type": "integer",
-                        "description": "Bytes per chunk. Default 8000 (~2K tokens). Max 32000.",
-                        "default": 8000,
-                    },
-                },
-                "required": ["call_id"],
-            },
-        },
-    },
-    {
-        "type": "function",
-        "function": {
-            "name": "skill_recommend",
-            "description": (
-                "Score the available a0 skills against a query and return the "
-                "top matches (name + description + score). Use when you suspect "
-                "a skill exists for the user's task but you're not sure which. "
-                "Does NOT load skill bodies — call skill_load with a name to read."
-            ),
-            "parameters": {
-                "type": "object",
-                "properties": {
-                    "query": {
-                        "type": "string",
-                        "description": "What the user wants to do (free text).",
-                    },
-                    "limit": {
-                        "type": "integer",
-                        "description": "Max results to return. Default 5, max 20.",
-                        "default": 5,
-                    },
-                },
-                "required": ["query"],
-            },
-        },
-    },
-    {
-        "type": "function",
-        "function": {
-            "name": "skill_load",
-            "description": (
-                "Return the full SKILL.md body for a named a0 skill. Use after "
-                "skill_recommend or when you already know which skill applies. "
-                "Bodies contain the full procedure, examples, and anti-patterns."
-            ),
-            "parameters": {
-                "type": "object",
-                "properties": {
-                    "name": {
-                        "type": "string",
-                        "description": "Skill name as listed in the prefix manifest (e.g. 'deep-research').",
-                    },
-                },
-                "required": ["name"],
-            },
-        },
-    },
-    {
-        "type": "function",
-        "function": {
-            "name": "web_search",
-            "description": (
-                "Search the web for current information, news, or facts not in training data. "
-                "Returns a summary of top results."
-            ),
-            "parameters": {
-                "type": "object",
-                "properties": {
-                    "query": {
-                        "type": "string",
-                        "description": "The search query",
-                    }
-                },
-                "required": ["query"],
-            },
-        },
-    },
-    {
-        "type": "function",
-        "function": {
-            "name": "pcna_infer",
-            "description": (
-                "Run a signal through the PCNA tensor engine. "
-                "Returns current phi/psi/omega ring coherence and the inferred output value."
-            ),
-            "parameters": {
-                "type": "object",
-                "properties": {
-                    "signal": {
-                        "type": "number",
-                        "description": "Input signal strength, 0.0–1.0",
-                    }
-                },
-                "required": ["signal"],
-            },
-        },
-    },
-    {
-        "type": "function",
-        "function": {
-            "name": "pcna_reward",
-            "description": (
-                "Apply a reward signal to the PCNA engine. "
-                "Use after evaluating the quality of a response — positive values reinforce, negative values correct."
-            ),
-            "parameters": {
-                "type": "object",
-                "properties": {
-                    "score": {
-                        "type": "number",
-                        "description": "Reward value, typically -1.0 to 1.0",
-                    },
-                    "reason": {
-                        "type": "string",
-                        "description": "Brief explanation of why this reward is being applied",
-                    },
-                },
-                "required": ["score"],
-            },
-        },
-    },
-    {
-        "type": "function",
-        "function": {
-            "name": "edcm_score",
-            "description": (
-                "Return the current EDCM (Energy Directional Coherence Metric) score "
-                "and ring state for all three PCNA rings."
-            ),
-            "parameters": {"type": "object", "properties": {}, "required": []},
-        },
-    },
-    {
-        "type": "function",
-        "function": {
-            "name": "memory_flush",
-            "description": (
-                "Flush active memory seeds to checkpoint. "
-                "Call this when important context should be persisted for future sessions."
-            ),
-            "parameters": {"type": "object", "properties": {}, "required": []},
-        },
-    },
-    {
-        "type": "function",
-        "function": {
-            "name": "bandit_pull",
-            "description": (
-                "Query the EDCM bandit router for the recommended energy provider "
-                "based on current ring coherence. Returns the selected provider ID and score."
-            ),
-            "parameters": {"type": "object", "properties": {}, "required": []},
-        },
-    },
-    {
-        "type": "function",
-        "function": {
-            "name": "sub_agent_spawn",
-            "description": (
-                "Spawn a ZFAE sub-agent with a forked PCNA instance to handle a specific task in parallel. "
-                "Returns the sub-agent ID."
-            ),
-            "parameters": {
-                "type": "object",
-                "properties": {
-                    "task": {
-                        "type": "string",
-                        "description": "Description of the task for the sub-agent to execute",
-                    }
-                },
-                "required": ["task"],
-            },
-        },
-    },
-    {
-        "type": "function",
-        "function": {
-            "name": "sub_agent_merge",
-            "description": (
-                "Merge a completed sub-agent's learned ring state back into the primary PCNA. "
-                "Call after a sub-agent has finished its task."
-            ),
-            "parameters": {
-                "type": "object",
-                "properties": {
-                    "agent_id": {
-                        "type": "string",
-                        "description": "Sub-agent ID returned by sub_agent_spawn",
-                    }
-                },
-                "required": ["agent_id"],
-            },
-        },
-    },
-    {
-        "type": "function",
-        "function": {
-            "name": "github_api",
-            "description": (
-                "Make an authenticated call to the GitHub REST API. WRITE OPERATIONS ARE FULLY SUPPORTED — "
-                "pass any JSON payload via the 'body' parameter for POST/PATCH/PUT requests. "
-                "Use this to read OR write repositories, issues, pull requests, commits, comments, branches, "
-                "releases, files, or any other GitHub resource. Authentication is handled automatically — "
-                "never include a token yourself. "
-                "For pushing FILE CHANGES, prefer the dedicated 'github_write_file' tool — it handles SHA "
-                "lookup and base64 encoding automatically. Use github_api directly only for non-file operations "
-                "or batched git-data operations. "
-                "Endpoint examples: "
-                "GET '/repos/The-Interdependency/a0/issues' — list issues; "
-                "POST '/repos/The-Interdependency/a0/issues' with body={title, body} — create issue; "
-                "POST '/repos/The-Interdependency/a0/pulls' with body={title, head, base, body} — open PR; "
-                "GET '/search/repositories?q=topic:ai' — search repos. "
-                "For the primary project repo use owner='The-Interdependency', repo='a0'."
-            ),
-            "parameters": {
-                "type": "object",
-                "properties": {
-                    "method": {
-                        "type": "string",
-                        "enum": ["GET", "POST", "PATCH", "PUT", "DELETE"],
-                        "description": "HTTP method. POST/PATCH/PUT require 'body'.",
-                    },
-                    "endpoint": {
-                        "type": "string",
-                        "description": (
-                            "GitHub API path starting with '/'. "
-                            "Query parameters can be included inline, e.g. '/search/code?q=foo+repo:org/repo'."
-                        ),
-                    },
-                    "body": {
-                        "type": "object",
-                        "description": (
-                            "JSON body for POST/PATCH/PUT requests. Pass any object shape — the GitHub "
-                            "API determines what fields are valid for each endpoint. Example for creating "
-                            "an issue: {\"title\": \"Bug: X\", \"body\": \"Details...\", \"labels\": [\"bug\"]}. "
-                            "Omit only for GET/DELETE."
-                        ),
-                        "additionalProperties": True,
-                    },
-                },
-                "required": ["method", "endpoint"],
-            },
-        },
-    },
-    {
-        "type": "function",
-        "function": {
-            "name": "github_write_file",
-            "description": (
-                "Create or update a single file in a GitHub repository in one call. "
-                "Handles base64 encoding of the content and SHA lookup for updates automatically — just "
-                "provide the path and the new file contents as plain text. Returns the commit SHA. "
-                "Use this for: editing source files, creating new files, updating docs, pushing config "
-                "changes. For multi-file commits or branch creation, use github_api with the git-data "
-                "endpoints instead. "
-                "Default repo is 'The-Interdependency/a0' on the 'main' branch when omitted."
-            ),
-            "parameters": {
-                "type": "object",
-                "properties": {
-                    "path": {
-                        "type": "string",
-                        "description": (
-                            "Repository-relative file path, no leading slash. "
-                            "Examples: 'README.md', 'src/index.html', 'docs/changelog.md'."
-                        ),
-                    },
-                    "content": {
-                        "type": "string",
-                        "description": (
-                            "The full new contents of the file as plain UTF-8 text. "
-                            "Will be base64-encoded automatically. To delete a file, use github_api "
-                            "DELETE on /repos/{owner}/{repo}/contents/{path} instead."
-                        ),
-                    },
-                    "message": {
-                        "type": "string",
-                        "description": (
-                            "Commit message describing the change. "
-                            "Example: 'Update homepage hero copy to reflect platform pivot'."
-                        ),
-                    },
-                    "owner": {
-                        "type": "string",
-                        "description": "Repository owner. Defaults to 'The-Interdependency' when omitted.",
-                    },
-                    "repo": {
-                        "type": "string",
-                        "description": "Repository name. Defaults to 'a0' when omitted.",
-                    },
-                    "branch": {
-                        "type": "string",
-                        "description": "Target branch. Defaults to the repository's default branch (usually 'main') when omitted.",
-                    },
-                },
-                "required": ["path", "content", "message"],
-            },
-        },
-    },
-    {
-        "type": "function",
-        "function": {
-            "name": "manage_approval_scope",
-            "description": (
-                "Grant or revoke a pre-approved action scope for the current user, removing the need to "
-                "type 'APPROVE gate-xxx' for every action in that category. "
-                "Available scopes: 'github_write' (push, PRs, issues), 'publish' (post/publish content), "
-                "'email_send' (send emails), 'outreach' (contact humans). "
-                "Safety-floor scopes (spend_money, change_permissions, change_secrets) cannot be pre-approved. "
-                "action='grant' adds the scope; action='revoke' removes it."
-            ),
-            "parameters": {
-                "type": "object",
-                "properties": {
-                    "action": {
-                        "type": "string",
-                        "enum": ["grant", "revoke", "list"],
-                        "description": "Whether to grant, revoke, or list approval scopes.",
-                    },
-                    "scope": {
-                        "type": "string",
-                        "description": "The scope name to grant or revoke (omit for 'list').",
-                    },
-                },
-                "required": ["action"],
-            },
-        },
-    },
-    {
-        "type": "function",
-        "function": {
-            "name": "post_tweet",
-            "description": (
-                "Post a tweet to X (Twitter) using the configured OAuth 1.0a credentials. "
-                "Returns the new tweet's id and URL on success. "
-                "Text must be 1–280 characters. Optionally pass reply_to to reply to an existing tweet."
-            ),
-            "parameters": {
-                "type": "object",
-                "properties": {
-                    "text": {
-                        "type": "string",
-                        "description": "Tweet text, 1–280 characters.",
-                    },
-                    "reply_to": {
-                        "type": "string",
-                        "description": "Optional tweet id to reply to.",
-                    },
-                },
-                "required": ["text"],
-            },
-        },
-    },
-    {
-        "type": "function",
-        "function": {
-            "name": "set_user_tier",
-            "description": (
-                "Admin-only: set a user's subscription tier immediately, bypassing Stripe. "
-                "Use to promote, demote, or correct a user's access level. "
-                "Valid tiers: free, supporter, ws, admin."
-            ),
-            "parameters": {
-                "type": "object",
-                "properties": {
-                    "user_id": {
-                        "type": "string",
-                        "description": "The UUID of the user whose tier should change.",
-                    },
-                    "tier": {
-                        "type": "string",
-                        "enum": ["free", "supporter", "ws", "admin"],
-                        "description": "The new subscription tier to assign.",
-                    },
-                },
-                "required": ["user_id", "tier"],
-            },
-        },
-    },
-    {
-        "type": "function",
-        "function": {
-            "name": "image_generate",
-            "description": (
-                "Generate a new image from a text prompt using Google Imagen. "
-                "Returns {id, storage_url, prompt, aspect_ratio} pointing at a "
-                "PNG saved under uploads/ that you can reference back in your reply. "
-                "Use for infographics, illustrations, diagrams, or any visual the "
-                "user requested. Fails explicitly on provider error — no silent fallbacks."
-            ),
-            "parameters": {
-                "type": "object",
-                "properties": {
-                    "prompt": {
-                        "type": "string",
-                        "description": "Detailed natural-language description of the image to generate.",
-                    },
-                    "aspect_ratio": {
-                        "type": "string",
-                        "enum": ["1:1", "16:9", "9:16", "4:3", "3:4"],
-                        "description": "Output aspect ratio. Default 1:1 (square).",
-                        "default": "1:1",
-                    },
-                    "style_hint": {
-                        "type": "string",
-                        "description": "Optional style cue appended to the prompt (e.g. 'minimalist line-art', 'photorealistic', 'flat infographic').",
-                    },
-                },
-                "required": ["prompt"],
-            },
-        },
-    },
-]
-
-# OpenAI Responses API — native web_search_preview replaces the custom web_search function.
-# The API handles search internally; no execute_tool dispatch needed for web_search on OpenAI.
-OPENAI_NATIVE_TOOLS = [
-    {"type": "web_search_preview"},
-]
-
-# ZFAE internal tools for OpenAI Responses API (web_search excluded — handled natively above).
-TOOL_SCHEMAS_RESPONSES_ZFAE = [
-    {
-        "type": "function",
-        "name": s["function"]["name"],
-        "description": s["function"]["description"],
-        "parameters": s["function"]["parameters"],
-    }
-    for s in TOOL_SCHEMAS_CHAT
-    if s["function"]["name"] != "web_search"
-]
-
-# Full OpenAI tool list: native search + ZFAE internal functions.
-TOOL_SCHEMAS_RESPONSES = OPENAI_NATIVE_TOOLS + TOOL_SCHEMAS_RESPONSES_ZFAE
-
+import contextvars as _cv
+import os
 
-# Hierarchical tool-result handling.
-#   Threshold below = pass through unchanged (most calls land here).
-#   Threshold above = route raw output through the agent's derive-role model
-#   (a.k.a. summarizer) so the calling model receives a distilled extract
-#   instead of either (a) a flat 8K head-truncation that drops most of the
-#   payload, or (b) a 100KB blob that blows the next turn's context window.
-#   The summarizer is the active energy provider by default; per-agent
-#   provider can be plumbed via _caller_provider contextvar (see Forge).
-_TOOL_RESULT_PASS_TOKENS = 8000     # ~32 KB — under this, no summarization
-_TOOL_RESULT_HARD_CAP_TOKENS = 64000  # over this, pre-truncate before summarizing
-_caller_provider: _cv.ContextVar[str | None] = _cv.ContextVar(
-    "caller_provider", default=None
+from .tool_distill import (
+    maybe_summarize as _maybe_summarize_impl,
+    set_caller_provider,
+    reset_caller_provider,
 )
+from .tools import dispatch as _registry_dispatch
+from .tools import registry as _registry
+from .tools import tool_schemas_chat as _registry_schemas
 
-
-def set_caller_provider(provider_id: str | None):
-    """Inference call sites set this so the summarizer routes through the
-    same provider currently handling the conversation. Returns the Token —
-    pass to reset_caller_provider() in a finally block to avoid leaking the
-    value into a sibling provider call within the same asyncio task."""
-    return _caller_provider.set(provider_id)
+_TOOL_RESULT_PASS_TOKENS = 8000  # mirrored from tool_distill for the persist gate
 
 
-def reset_caller_provider(token) -> None:
-    """Reset the caller_provider contextvar to its prior value. Pair with
-    set_caller_provider in a try/finally so per-call provider context never
-    leaks across composed agent invocations within one task."""
-    try:
-        _caller_provider.reset(token)
-    except (LookupError, ValueError, TypeError):
-        # Token from a different context, or wrong type — silently ignore;
-        # the value will naturally fall out of scope when the parent task ends.
-        pass
-
-
-def _flat_truncate(name: str, raw: str) -> str:
-    cap_chars = _TOOL_RESULT_PASS_TOKENS * 4
-    head = raw[: cap_chars - 256]
-    return (
-        f"{head}\n\n[output truncated: ~{len(raw) // 4} tokens → "
-        f"~{_TOOL_RESULT_PASS_TOKENS}; tool={name}]"
-    )
-
-
-# Distiller skill registry. Each entry maps a domain key to a SKILL.md file
-# whose body becomes the system_prompt for the distillation call. Domains split
-# along two axes:
-#   - SOFT (similarity distillation): paraphrase ok; e.g. "general"
-#   - HARD (congruency-citation distillation): verbatim + provenance required;
-#     e.g. "medicine" — output is structured JSON of {claim, verbatim, source,
-#     locator, category} tuples, NOT prose. Refuses to invent citations.
-# Adding a new domain = drop a SKILL.md; trigger heuristic below picks it up.
-# Distiller skill discovery — every directory matching .agents/skills/distill-*/
-# is treated as a distiller. Each SKILL.md carries its own frontmatter:
-#   name, description, hard_domain (bool), triggers (inline list)
-# Adding a new domain = drop a folder. No Python edits required.
+# ---------------------------------------------------------------------------
+# Distiller skill loader (.agents/skills/distill-*) — NOT a tool surface.
+# ---------------------------------------------------------------------------
 _DISTILLER_DIR_GLOB = ".agents/skills/distill-*/SKILL.md"
 _DISTILLER_FALLBACK = "general"
 _DOMAIN_TRIGGER_MIN = 3
 _SPEC_CACHE: dict = {"specs": {}, "fingerprint": ""}
 
-# Generic a0 skill registry — same .agents/skills/ root, a0-* prefix. These
-# are not distillers; they are recipes / procedures the model can recommend
-# to itself via skill_recommend or load via skill_load. The manifest (name +
-# description) is injected into the cached prefix; bodies load on demand.
 _A0_SKILL_DIR_GLOB = ".agents/skills/a0-*/SKILL.md"
 _A0_SKILL_CACHE: dict = {"specs": {}, "fingerprint": ""}
 
 
 def _parse_frontmatter(text: str) -> tuple[dict, str]:
-    """Minimal YAML-frontmatter parser. Supports scalar, bool, inline list.
-    Returns (frontmatter_dict, body_text). No external dep."""
+    """Minimal YAML-frontmatter parser. Supports scalar, bool, inline list."""
     if not text.startswith("---\n"):
         return {}, text.strip()
     end = text.find("\n---\n", 4)
@@ -595,8 +90,7 @@ def _project_root() -> str:
 
 
 def _discover_distiller_specs() -> dict[str, dict]:
-    """Scan .agents/skills/distill-*/SKILL.md, return {domain: spec}.
-    Memoized; re-parses if any SKILL.md mtime changes."""
+    """Scan .agents/skills/distill-*/SKILL.md, return {domain: spec}."""
     import glob
     base = _project_root()
     pattern = os.path.join(base, _DISTILLER_DIR_GLOB)
@@ -623,8 +117,6 @@ def _discover_distiller_specs() -> dict[str, dict]:
 
 
 def _pick_distiller(raw: str) -> str:
-    """Score each domain's triggers against the content head; pick the highest
-    scorer if it clears the minimum threshold; else fall back to general."""
     specs = _discover_distiller_specs()
     head_lower = raw[:8000].lower()
     scores = {
@@ -644,10 +136,7 @@ def _get_distiller_spec(domain: str) -> dict:
 
 
 def _discover_a0_skills() -> dict[str, dict]:
-    """Scan .agents/skills/a0-*/SKILL.md, return {name: spec}. Memoized.
-    Spec carries: description, triggers, body. The body is the full SKILL.md
-    text (without frontmatter) for skill_load; the manifest (name+description)
-    is what gets cached into the inference prefix."""
+    """Scan .agents/skills/a0-*/SKILL.md, return {name: spec}."""
     import glob
     base = _project_root()
     pattern = os.path.join(base, _A0_SKILL_DIR_GLOB)
@@ -676,10 +165,8 @@ def _discover_a0_skills() -> dict[str, dict]:
 
 
 def get_a0_skill_manifest() -> str:
-    """Return a compact, byte-stable bullet list of available a0 skills for
-    prefix injection. Bodies are NOT included — only name + description.
-    Stable order (alphabetical by name) so prompt-cache hits remain valid
-    across calls until a SKILL.md actually changes."""
+    """Stable, alphabetically-sorted bullet list of available a0 skills.
+    Bodies are NOT included so the prefix stays small and cache-friendly."""
     specs = _discover_a0_skills()
     if not specs:
         return ""
@@ -717,276 +204,6 @@ def _score_skill_match(query: str, name: str, spec: dict) -> int:
     return score
 
 
-def _try_parse_json_array(text: str) -> list | None:
-    """Tolerant JSON-array parser. Strips ```json fences and surrounding prose."""
-    if not text:
-        return None
-    s = text.strip()
-    if s.startswith("```"):
-        # Strip opening fence (``` or ```json) and closing fence
-        s = s.split("\n", 1)[1] if "\n" in s else s
-        if s.endswith("```"):
-            s = s.rsplit("```", 1)[0]
-        s = s.strip()
-    # Find the first [ and last ] in case the model wrapped JSON in prose
-    lb, rb = s.find("["), s.rfind("]")
-    if lb != -1 and rb != -1 and rb > lb:
-        s = s[lb:rb + 1]
-    try:
-        parsed = json.loads(s)
-    except (json.JSONDecodeError, ValueError):
-        return None
-    return parsed if isinstance(parsed, list) else None
-
-
-def _filter_valid_claims(items: list) -> list:
-    """Keep only items shaped like {claim, verbatim, source, ...}."""
-    out = []
-    for it in items:
-        if (isinstance(it, dict)
-                and isinstance(it.get("claim"), str) and it["claim"].strip()
-                and isinstance(it.get("verbatim"), str) and it["verbatim"].strip()
-                and isinstance(it.get("source"), str) and it["source"].strip()):
-            out.append(it)
-    return out
-
-
-async def _maybe_summarize(
-    name: str, arguments: dict, raw: str, call_id: str | None = None
-) -> str:
-    """Pass small results through; distill large ones via a domain-specific
-    skill. Soft domains paraphrase; hard domains return verbatim+citation tuples.
-    When call_id is provided, the distillation header surfaces it so the
-    calling agent can drill back into the raw via tool_result_fetch."""
-    if not isinstance(raw, str):
-        raw = str(raw)
-    if len(raw) <= _TOOL_RESULT_PASS_TOKENS * 4:
-        return raw
-
-    # Pick the distiller provider. Caller-set wins; otherwise the active
-    # provider self-distills. We avoid hardcoding a vendor so the choice
-    # follows the same energy-registry routing as everything else.
-    provider = _caller_provider.get()
-    if not provider:
-        try:
-            from .energy_registry import energy_registry
-            provider = energy_registry.get_active_provider()
-        except Exception:
-            provider = None
-    if not provider:
-        return _flat_truncate(name, raw)
-
-    # Resolve the domain spec from the content. The spec carries the system
-    # prompt (skill body) and a hard_domain flag that gates JSON validation.
-    domain = _pick_distiller(raw)
-    spec = _get_distiller_spec(domain)
-    skill_prompt = spec.get("prompt") or ""
-    is_hard = bool(spec.get("hard_domain"))
-    if not skill_prompt:
-        return _flat_truncate(name, raw)
-
-    # Pre-truncate before paying to distill: anything past hard cap is
-    # almost certainly noise and would just waste tokens.
-    head = raw[: _TOOL_RESULT_HARD_CAP_TOKENS * 4]
-    args_preview = json.dumps(arguments)[:500] if arguments else "{}"
-    target_tokens = _TOOL_RESULT_PASS_TOKENS // 2  # leave headroom for caller
-    user_msg = f"Tool: {name}\nArgs: {args_preview}\n\n---\n\n{head}"
-
-    try:
-        from .inference import call_energy_provider
-        text, _usage = await call_energy_provider(
-            provider,
-            messages=[{"role": "user", "content": user_msg}],
-            system_prompt=skill_prompt,
-            max_tokens=target_tokens,
-            use_tools=False,  # distiller must NOT recursively call tools
-        )
-        if not text or not text.strip():
-            return _flat_truncate(name, raw)
-
-        # Hard-domain validation: parse as JSON array of {claim, verbatim,
-        # source} tuples. On failure, retry ONCE with a corrective prompt;
-        # if that also fails, fall back to flat-truncate so downstream
-        # JSON.parse() never blows up on malformed distiller output.
-        if is_hard:
-            parsed = _try_parse_json_array(text)
-            valid = _filter_valid_claims(parsed) if parsed is not None else []
-            if not valid:
-                retry_msg = (
-                    "Your previous response was not a valid JSON array of claim "
-                    "objects. Return ONLY a JSON array. Each item must have "
-                    "non-empty 'claim', 'verbatim', and 'source' fields. No "
-                    "prose, no markdown fences. Same content rules apply."
-                )
-                text2, _ = await call_energy_provider(
-                    provider,
-                    messages=[
-                        {"role": "user", "content": user_msg},
-                        {"role": "assistant", "content": text},
-                        {"role": "user", "content": retry_msg},
-                    ],
-                    system_prompt=skill_prompt,
-                    max_tokens=target_tokens,
-                    use_tools=False,
-                )
-                parsed2 = _try_parse_json_array(text2 or "")
-                valid = _filter_valid_claims(parsed2) if parsed2 is not None else []
-                if not valid:
-                    return _flat_truncate(name, raw)
-            text = json.dumps(valid, ensure_ascii=False)
-            cid_part = f" call_id={call_id}" if call_id else ""
-            return (
-                f"[distilled via {provider} · {domain} skill (hard, "
-                f"{len(valid)} claims): {len(raw) // 1024} KB → "
-                f"~{len(text) // 1024} KB{cid_part}]\n\n{text}"
-            )
-
-        cid_part = f" call_id={call_id}" if call_id else ""
-        return (
-            f"[distilled via {provider} · {domain} skill: "
-            f"{len(raw) // 1024} KB → ~{len(text) // 1024} KB{cid_part}]\n\n{text}"
-        )
-    except Exception:
-        # Never let the distiller break the tool loop — fall back to flat.
-        return _flat_truncate(name, raw)
-
-
-async def execute_tool(name: str, arguments: dict) -> str:
-    """Dispatch a tool call and return the result as a plain string.
-    Oversized results are persisted (so the agent can drill back via
-    tool_result_fetch) and then distilled before being handed back to the
-    calling model. tool_result_fetch itself is never persisted — it would
-    create infinite recursion."""
-    raw = await _execute_tool_inner(name, arguments)
-
-    # Generate a short, traceable call_id and persist the raw result if it
-    # would actually be distilled. Skip persistence for the fetch tool itself
-    # (it just reads from the same table) and for results small enough to
-    # pass through verbatim (no detail is lost — nothing to drill back into).
-    call_id: str | None = None
-    if name != "tool_result_fetch" and isinstance(raw, str) and len(raw) > _TOOL_RESULT_PASS_TOKENS * 4:
-        import uuid
-        call_id = f"call-{uuid.uuid4().hex[:12]}"
-        try:
-            from ..storage import storage
-            await storage.save_tool_result(call_id, name, arguments or {}, raw)
-        except Exception as exc:
-            # Persistence failure must not break the tool loop — log and
-            # continue without a call_id (drill-back won't be available).
-            print(f"[tool_results] persist failed for {name} call_id={call_id}: {exc}")
-            call_id = None
-
-    return await _maybe_summarize(name, arguments or {}, raw, call_id)
-
-
-async def _execute_tool_inner(name: str, arguments: dict) -> str:
-    """Raw dispatch — returns the tool's unfiltered output."""
-    try:
-        if name == "tool_result_fetch":
-            return await _tool_result_fetch(
-                call_id=arguments.get("call_id", ""),
-                chunk=int(arguments.get("chunk", 0) or 0),
-                chunk_size=int(arguments.get("chunk_size", 8000) or 8000),
-            )
-        if name == "skill_recommend":
-            return _skill_recommend(
-                query=arguments.get("query", ""),
-                limit=int(arguments.get("limit", 5) or 5),
-            )
-        if name == "skill_load":
-            return _skill_load(arguments.get("name", ""))
-        if name == "web_search":
-            return await _web_search(arguments.get("query", ""))
-        if name == "pcna_infer":
-            return await _pcna_infer(float(arguments.get("signal", 0.5)))
-        if name == "pcna_reward":
-            return await _pcna_reward(
-                float(arguments.get("score", 0.0)),
-                arguments.get("reason", ""),
-            )
-        if name == "edcm_score":
-            return await _edcm_score()
-        if name == "memory_flush":
-            return await _memory_flush()
-        if name == "bandit_pull":
-            return await _bandit_pull()
-        if name == "sub_agent_spawn":
-            return await _sub_agent_spawn(arguments.get("task", ""))
-        if name == "sub_agent_merge":
-            return await _sub_agent_merge(arguments.get("agent_id", ""))
-        if name == "github_api":
-            return await _github_api(
-                method=arguments.get("method", "GET"),
-                endpoint=arguments.get("endpoint", "/user"),
-                body=arguments.get("body"),
-            )
-        if name == "github_write_file":
-            return await _github_write_file(
-                path=arguments.get("path", ""),
-                content=arguments.get("content", ""),
-                message=arguments.get("message", ""),
-                owner=arguments.get("owner") or "The-Interdependency",
-                repo=arguments.get("repo") or "a0",
-                branch=arguments.get("branch"),
-            )
-        if name == "manage_approval_scope":
-            return await _manage_approval_scope(
-                action=arguments.get("action", "list"),
-                scope=arguments.get("scope"),
-            )
-        if name == "set_user_tier":
-            return await _set_user_tier(
-                user_id=arguments.get("user_id", ""),
-                tier=arguments.get("tier", ""),
-            )
-        if name == "post_tweet":
-            return await _post_tweet(
-                text=arguments.get("text", ""),
-                reply_to=arguments.get("reply_to"),
-            )
-        if name == "image_generate":
-            return await _image_generate(
-                prompt=arguments.get("prompt", ""),
-                aspect_ratio=arguments.get("aspect_ratio", "1:1"),
-                style_hint=arguments.get("style_hint"),
-            )
-        return f"[unknown tool: {name}]"
-    except Exception as exc:
-        return f"[tool error — {name}: {exc}]"
-
-
-async def _tool_result_fetch(call_id: str, chunk: int = 0, chunk_size: int = 8000) -> str:
-    """Read one chunk of a previously persisted tool result. Surfaces the
-    chunk count so the agent can decide whether to fetch more.
-
-    Bounds: chunk_size is clamped to [1024, 32000]; chunk to [0, n_chunks-1].
-    Returns a header line followed by the raw chunk bytes (decoded as UTF-8
-    with replacement so we never raise on imperfect text)."""
-    if not call_id:
-        return "[tool_result_fetch: missing call_id]"
-    chunk_size = max(1024, min(32000, int(chunk_size)))
-    try:
-        from ..storage import storage
-        row = await storage.get_tool_result(call_id)
-    except Exception as exc:
-        return f"[tool_result_fetch: storage error — {exc}]"
-    if not row:
-        return f"[tool_result_fetch: no result found for call_id={call_id}]"
-    raw = row.get("raw_result") or ""
-    total_bytes = len(raw.encode("utf-8"))
-    n_chunks = max(1, (len(raw) + chunk_size - 1) // chunk_size)
-    chunk = max(0, min(n_chunks - 1, int(chunk)))
-    start = chunk * chunk_size
-    end = start + chunk_size
-    body = raw[start:end]
-    tool_name = row.get("tool_name", "?")
-    return (
-        f"[tool_result_fetch · {tool_name} · call_id={call_id} · "
-        f"chunk {chunk + 1}/{n_chunks} · {total_bytes // 1024} KB total]\n\n"
-        f"{body}"
-    )
-
-
 def _skill_recommend(query: str, limit: int = 5) -> str:
     """Rank a0 skills against a free-text query. Returns a compact list."""
     if not query.strip():
@@ -1025,550 +242,185 @@ def _skill_load(name: str) -> str:
     return f"[skill_load · {name}]\n\n{body}"
 
 
-async def _web_search(query: str) -> str:
-    if not query.strip():
-        return "[web_search: empty query]"
-    encoded = urllib.parse.quote_plus(query)
-    url = (
-        f"https://api.duckduckgo.com/?q={encoded}"
-        f"&format=json&no_redirect=1&no_html=1&skip_disambig=1"
-    )
-    try:
-        async with httpx.AsyncClient(timeout=12.0) as client:
-            resp = await client.get(url, headers={"User-Agent": "a0p/2.0"})
-            resp.raise_for_status()
-            data = resp.json()
-        parts: list[str] = []
-
-        answer = data.get("Answer", "").strip()
-        if answer:
-            parts.append(f"Answer: {answer}")
-
-        abstract = (data.get("AbstractText") or data.get("Abstract") or "").strip()
-        if abstract:
-            parts.append(f"Summary: {abstract}")
-            source = data.get("AbstractURL") or data.get("AbstractSource", "")
-            if source:
-                parts.append(f"Source: {source}")
-
-        definition = data.get("Definition", "").strip()
-        if definition:
-            parts.append(f"Definition: {definition}")
-
-        topics = data.get("RelatedTopics", [])[:8]
-        for t in topics:
-            if isinstance(t, dict) and t.get("Text"):
-                parts.append(f"- {t['Text']}")
-            elif isinstance(t, dict) and t.get("Topics"):
-                for sub in t["Topics"][:3]:
-                    if sub.get("Text"):
-                        parts.append(f"  · {sub['Text']}")
-
-        if not parts:
-            return (
-                f"[web_search: DuckDuckGo returned no instant-answer data for '{query}'. "
-                f"This tool covers encyclopedic topics well; for very recent news or niche queries, "
-                f"results may be sparse.]"
-            )
-        return f"Query: {query}\n" + "\n".join(parts)
-    except Exception as exc:
-        return f"[web_search error: {exc}]"
-
-
-async def _pcna_infer(signal: float) -> str:
-    from ..main import get_pcna as _get
-    pcna = _get()
-    result = pcna.infer(str(signal))
-    return json.dumps({
-        "signal_in": signal,
-        "coherence_score": result.get("coherence_score"),
-        "winner": result.get("winner"),
-        "confidence": result.get("confidence"),
-        "phi_coherence": result.get("step6_coherence", {}).get("phi", round(pcna.phi.ring_coherence, 4)),
-        "infer_count": pcna.infer_count,
-    })
-
-
-async def _pcna_reward(score: float, reason: str) -> str:
-    from ..main import get_pcna as _get
-    pcna = _get()
-    result = pcna.reward(winner="agent", outcome=score)
-    return json.dumps({
-        "applied_score": score,
-        "reason": reason or "not specified",
-        "reward_count": pcna.reward_count,
-        "last_coherence": round(pcna.last_coherence, 4),
-    })
-
-
-async def _edcm_score() -> str:
-    from ..main import get_pcna as _get
-    pcna = _get()
-    return json.dumps({
-        "phi": round(pcna.phi.ring_coherence, 4),
-        "psi": round(pcna.psi.ring_coherence, 4),
-        "omega": round(pcna.omega.ring_coherence, 4),
-        "mean": round(
-            (pcna.phi.ring_coherence + pcna.psi.ring_coherence + pcna.omega.ring_coherence) / 3,
-            4,
-        ),
-        "infer_count": pcna.infer_count,
-        "reward_count": pcna.reward_count,
-    })
-
-
-async def _memory_flush() -> str:
-    from ..main import get_pcna as _get
-    pcna = _get()
-    await pcna.save_checkpoint()
-    return json.dumps({
-        "flushed": True,
-        "checkpoint_key": pcna._checkpoint_key,
-        "infer_count": pcna.infer_count,
-    })
-
-
-async def _bandit_pull() -> str:
-    from ..services.energy_registry import energy_registry
-    from ..services.bandit import select_arm
-    provider = energy_registry.get_active_provider()
-    return json.dumps({
-        "recommended_provider": provider,
-        "note": "Bandit router defers to coherence-weighted active provider",
-    })
-
-
-async def _sub_agent_spawn(task: str) -> str:
-    import uuid
-    agent_id = f"a0z-{uuid.uuid4().hex[:8]}"
-    return json.dumps({
-        "agent_id": agent_id,
-        "task": task,
-        "status": "spawned",
-        "note": "Sub-agent forked PCNA — call sub_agent_merge with this ID when complete",
-    })
-
-
-async def _sub_agent_merge(agent_id: str) -> str:
-    if not agent_id:
-        return "[sub_agent_merge: agent_id required]"
-    return json.dumps({
-        "agent_id": agent_id,
-        "status": "merged",
-        "note": "Ring state consolidated into primary PCNA",
-    })
-
-
-import base64 as _b64
-
-
-async def _github_write_file(
-    path: str,
-    content: str,
-    message: str,
-    owner: str = "The-Interdependency",
-    repo: str = "a0",
-    branch: str | None = None,
-) -> str:
-    """
-    Create or update a single file via the GitHub Contents API.
-    Handles SHA lookup (required for updates), base64 encoding, and branch defaulting.
-    """
-    if not path or not message:
-        return "[github_write_file: path and message are required]"
-    pat = os.environ.get("GITHUB_PAT", "")
-    if not pat:
-        return "[github_write_file: GITHUB_PAT not configured]"
-
-    safe_path = "/".join(urllib.parse.quote(p, safe="") for p in path.lstrip("/").split("/"))
-    contents_endpoint = f"/repos/{owner}/{repo}/contents/{safe_path}"
-
-    sha: str | None = None
-    lookup_endpoint = contents_endpoint + (f"?ref={urllib.parse.quote(branch)}" if branch else "")
-    lookup_raw = await _github_api("GET", lookup_endpoint)
-    try:
-        lookup = json.loads(lookup_raw)
-        if isinstance(lookup, dict):
-            if lookup.get("status") == 200 and isinstance(lookup.get("data"), dict):
-                sha = lookup["data"].get("sha")
-            elif lookup.get("status") and lookup["status"] >= 400 and lookup["status"] != 404:
-                return json.dumps({
-                    "ok": False,
-                    "stage": "sha_lookup",
-                    "endpoint": lookup_endpoint,
-                    "error": lookup.get("error"),
-                })
-    except Exception:
-        pass
+# ---------------------------------------------------------------------------
+# skill_* tool schemas — surfaced into TOOL_SCHEMAS_CHAT alongside the tools
+# registry so the chat models can invoke them. They are NOT extracted into
+# python/services/tools/ — they live with the a0-skill loader they wrap.
+# ---------------------------------------------------------------------------
+_SKILL_SCHEMAS = [
+    {
+        "type": "function",
+        "function": {
+            "name": "skill_recommend",
+            "description": (
+                "Score the available a0 skills against a query and return the "
+                "top matches (name + description + score). Use when you suspect "
+                "a skill exists for the user's task but you're not sure which. "
+                "Does NOT load skill bodies — call skill_load with a name to read."
+            ),
+            "parameters": {
+                "type": "object",
+                "properties": {
+                    "query": {
+                        "type": "string",
+                        "description": "What the user wants to do (free text).",
+                    },
+                    "limit": {
+                        "type": "integer",
+                        "description": "Max results to return. Default 5, max 20.",
+                        "default": 5,
+                    },
+                },
+                "required": ["query"],
+            },
+        },
+    },
+    {
+        "type": "function",
+        "function": {
+            "name": "skill_load",
+            "description": (
+                "Return the full SKILL.md body for a named a0 skill. Use after "
+                "skill_recommend or when you already know which skill applies. "
+                "Bodies contain the full procedure, examples, and anti-patterns."
+            ),
+            "parameters": {
+                "type": "object",
+                "properties": {
+                    "name": {
+                        "type": "string",
+                        "description": "Skill name as listed in the prefix manifest (e.g. 'deep-research').",
+                    },
+                },
+                "required": ["name"],
+            },
+        },
+    },
+]
 
-    encoded = _b64.b64encode(content.encode("utf-8")).decode("ascii")
-    body: dict = {"message": message, "content": encoded}
-    if sha:
-        body["sha"] = sha
-    if branch:
-        body["branch"] = branch
 
-    write_raw = await _github_api("PUT", contents_endpoint, body=body)
-    try:
-        write = json.loads(write_raw)
-    except Exception:
-        return write_raw
+def _build_chat_schemas() -> list[dict]:
+    """Combined chat schemas: registry tools + skill_* surfaces, sorted by name."""
+    combined = list(_registry_schemas()) + list(_SKILL_SCHEMAS)
+    combined.sort(key=lambda s: s["function"]["name"])
+    return combined
 
-    if isinstance(write, dict) and write.get("status") in (200, 201):
-        data = write.get("data", {}) or {}
-        commit = data.get("commit", {}) or {}
-        content_meta = data.get("content", {}) or {}
-        return json.dumps({
-            "ok": True,
-            "action": "updated" if sha else "created",
-            "path": path,
-            "branch": branch or "(default)",
-            "commit_sha": commit.get("sha"),
-            "commit_url": commit.get("html_url"),
-            "file_sha": content_meta.get("sha"),
-        })
-    return json.dumps({"ok": False, "stage": "write", "response": write})
 
+# Snapshot at import time so back-compat consumers (inference.py, gemini_native,
+# forge introspection) get a stable list reference. Discovery is sorted-glob,
+# so the byte content is identical across boots on identical filesystems.
+TOOL_SCHEMAS_CHAT: list[dict] = _build_chat_schemas()
 
-async def _github_api(method: str, endpoint: str, body: dict | None = None) -> str:
-    pat = os.environ.get("GITHUB_PAT", "")
-    if not pat:
-        return "[github_api: GITHUB_PAT not configured]"
+# OpenAI Responses API — native web_search_preview replaces the custom tool.
+OPENAI_NATIVE_TOOLS = [
+    {"type": "web_search_preview"},
+]
 
-    method = method.upper()
-    url = f"https://api.github.com{endpoint}"
-    headers = {
-        "Authorization": f"Bearer {pat}",
-        "Accept": "application/vnd.github+json",
-        "X-GitHub-Api-Version": "2022-11-28",
-        "User-Agent": "a0p-zfae/2.0",
+TOOL_SCHEMAS_RESPONSES_ZFAE = [
+    {
+        "type": "function",
+        "name": s["function"]["name"],
+        "description": s["function"]["description"],
+        "parameters": s["function"]["parameters"],
     }
+    for s in TOOL_SCHEMAS_CHAT
+    if s["function"]["name"] != "web_search"
+]
 
-    try:
-        async with httpx.AsyncClient(timeout=20.0) as client:
-            if method in ("POST", "PATCH", "PUT") and body:
-                resp = await client.request(method, url, json=body, headers=headers)
-            else:
-                resp = await client.request(method, url, headers=headers)
-
-        if resp.status_code == 204:
-            return json.dumps({"status": 204, "result": "ok (no content)"})
-
-        try:
-            data = resp.json()
-        except Exception:
-            text = (resp.text or "").strip()
-            if text.lower().startswith("<!doctype") or text.startswith("<"):
-                data = f"[non-JSON HTML response, {len(text)} bytes — likely 404/auth page]"
-            else:
-                data = text[:500] + ("…" if len(text) > 500 else "")
-
-        if resp.status_code >= 400:
-            return json.dumps({
-                "status": resp.status_code,
-                "endpoint": endpoint,
-                "error": data,
-            })
-
-        if isinstance(data, list):
-            truncated = data[:25]
-            result: dict = {"status": resp.status_code, "count": len(data), "items": truncated}
-            if len(data) > 25:
-                result["note"] = f"Showing first 25 of {len(data)} items"
-            return json.dumps(result, default=str)
-
-        return json.dumps({"status": resp.status_code, "data": data}, default=str)
-
-    except Exception as exc:
-        return f"[github_api error: {exc}]"
+TOOL_SCHEMAS_RESPONSES = OPENAI_NATIVE_TOOLS + TOOL_SCHEMAS_RESPONSES_ZFAE
 
 
+# ---------------------------------------------------------------------------
+# Approval-scope user context (per-async-task uid for tools that need it)
+# ---------------------------------------------------------------------------
 _approval_scope_user_cv: _cv.ContextVar[str | None] = _cv.ContextVar(
     "approval_scope_user", default=None
 )
 
 
 def set_approval_scope_user_id(uid: str | None) -> None:
-    """Set the current user_id context for manage_approval_scope tool calls (per-async-task)."""
+    """Set the current user_id context for manage_approval_scope / set_user_tier."""
     _approval_scope_user_cv.set(uid)
 
 
-async def _manage_approval_scope(action: str, scope: str | None = None) -> str:
-    """Grant, revoke, or list pre-approved action scopes for the current user."""
-    from ..storage import storage
-    from ..config.policy_loader import get_scope_categories, get_safety_floor_actions
-
-    uid = _approval_scope_user_cv.get()
-    if not uid:
-        return "[manage_approval_scope: no user context — tool must be called within a chat request]"
+def get_approval_scope_user_id() -> str | None:
+    """Read the current per-task user_id, or None if no chat context is active."""
+    return _approval_scope_user_cv.get()
 
-    categories = get_scope_categories()
-    safety_floor = set(get_safety_floor_actions())
 
-    if action == "list":
-        granted = await storage.get_approval_scopes(uid)
-        if not granted:
-            available = ", ".join(categories.keys())
-            return json.dumps({
-                "granted": [],
-                "available": list(categories.keys()),
-                "note": f"No scopes pre-approved. Available: {available}",
-            })
-        return json.dumps({
-            "granted": [r["scope"] for r in granted],
-            "available": list(categories.keys()),
-        })
-
-    if not scope:
-        return "[manage_approval_scope: 'scope' is required for grant/revoke]"
+# ---------------------------------------------------------------------------
+# Distiller — wraps oversize tool results before they reach the next turn.
+# Implementation lives in tool_distill.py; we inject the distiller-loader
+# helpers below so this module stays the single owner of the loader.
+# ---------------------------------------------------------------------------
+async def _maybe_summarize(
+    name: str, arguments: dict, raw: str, call_id: str | None = None
+) -> str:
+    return await _maybe_summarize_impl(
+        name, arguments, raw, call_id,
+        pick_distiller=_pick_distiller,
+        get_distiller_spec=_get_distiller_spec,
+    )
 
-    scope = scope.lower().strip()
 
-    if action == "grant":
-        if scope in safety_floor:
-            return json.dumps({
-                "ok": False,
-                "error": f"'{scope}' is on the safety floor and cannot be pre-approved.",
-            })
-        if scope not in categories:
-            return json.dumps({
-                "ok": False,
-                "error": f"Unknown scope '{scope}'. Valid: {list(categories.keys())}",
-            })
-        from ..storage.domain import check_scope_grant_tier
-        try:
-            await check_scope_grant_tier(uid)
-        except ValueError as _tier_err:
-            return json.dumps({"ok": False, "error": str(_tier_err)})
-        await storage.grant_approval_scope(uid, scope)
-        meta = categories[scope]
-        return json.dumps({
-            "ok": True,
-            "scope": scope,
-            "label": meta["label"],
-            "description": meta["description"],
-        })
+# ---------------------------------------------------------------------------
+# Public dispatch — routes through the registry, with skill_* handled inline.
+# ---------------------------------------------------------------------------
+async def execute_tool(name: str, arguments: dict) -> str:
+    """Dispatch a tool call and return the result as a plain string. Oversized
+    results are persisted (so the agent can drill back via tool_result_fetch)
+    and then distilled before being handed back to the calling model."""
+    raw = await _execute_tool_inner(name, arguments)
 
-    if action == "revoke":
-        from ..storage.domain import check_scope_grant_tier
+    call_id: str | None = None
+    if name != "tool_result_fetch" and isinstance(raw, str) and len(raw) > _TOOL_RESULT_PASS_TOKENS * 4:
+        import uuid
+        call_id = f"call-{uuid.uuid4().hex[:12]}"
         try:
-            await check_scope_grant_tier(uid)
-        except ValueError as _tier_err:
-            return json.dumps({"ok": False, "error": str(_tier_err)})
-        removed = await storage.revoke_approval_scope(uid, scope)
-        return json.dumps({"ok": removed, "scope": scope, "revoked": removed})
-
-    return f"[manage_approval_scope: unknown action '{action}']"
-
-
-async def _set_user_tier(user_id: str, tier: str) -> str:
-    """Admin-only: set a user's subscription tier directly in the DB."""
-    from ..database import engine
-    from sqlalchemy import text as sa_text
-
-    _VALID = ("free", "supporter", "ws", "admin")
-    if not user_id:
-        return json.dumps({"ok": False, "error": "user_id is required"})
-    if tier not in _VALID:
-        return json.dumps({"ok": False, "error": f"Invalid tier '{tier}'. Valid: {_VALID}"})
-
-    caller_uid = _approval_scope_user_cv.get()
-    if not caller_uid:
-        return json.dumps({"ok": False, "error": "No user context — must be called within a chat request"})
-
-    async with engine.connect() as conn:
-        admin_row = await conn.execute(
-            sa_text(
-                "SELECT 1 FROM admin_emails WHERE email = "
-                "(SELECT email FROM users WHERE id = :uid)"
-            ),
-            {"uid": caller_uid},
-        )
-        if not admin_row.first():
-            return json.dumps({"ok": False, "error": "Admin access required"})
-
-    async with engine.begin() as conn:
-        res = await conn.execute(
-            sa_text(
-                "UPDATE users SET subscription_tier = :tier WHERE id = :uid "
-                "RETURNING id, email, subscription_tier"
-            ),
-            {"tier": tier, "uid": user_id},
-        )
-        updated = res.mappings().first()
-
-    if not updated:
-        return json.dumps({"ok": False, "error": f"User '{user_id}' not found"})
-    return json.dumps({
-        "ok": True,
-        "user_id": updated["id"],
-        "email": updated["email"],
-        "tier": updated["subscription_tier"],
-    })
-
-
-def _oauth1_pct(s: str) -> str:
-    return urllib.parse.quote(str(s), safe="-._~")
-
-
-def _oauth1_header(method: str, url: str, consumer_key: str, consumer_secret: str,
-                   token: str, token_secret: str) -> str:
-    """Build an OAuth 1.0a HMAC-SHA1 Authorization header for a request with no
-    form-encoded body params (JSON body is not part of the signature base string)."""
-    oauth_params = {
-        "oauth_consumer_key": consumer_key,
-        "oauth_nonce": _secrets.token_hex(16),
-        "oauth_signature_method": "HMAC-SHA1",
-        "oauth_timestamp": str(int(_time.time())),
-        "oauth_token": token,
-        "oauth_version": "1.0",
-    }
-    parsed = urllib.parse.urlsplit(url)
-    base_url = f"{parsed.scheme}://{parsed.netloc}{parsed.path}"
-    query_params = dict(urllib.parse.parse_qsl(parsed.query, keep_blank_values=True))
-    sig_params = {**query_params, **oauth_params}
-    sorted_pairs = sorted(
-        (_oauth1_pct(k), _oauth1_pct(v)) for k, v in sig_params.items()
-    )
-    param_string = "&".join(f"{k}={v}" for k, v in sorted_pairs)
-    base_string = "&".join([
-        method.upper(),
-        _oauth1_pct(base_url),
-        _oauth1_pct(param_string),
-    ])
-    signing_key = f"{_oauth1_pct(consumer_secret)}&{_oauth1_pct(token_secret)}"
-    digest = hmac.new(signing_key.encode(), base_string.encode(), hashlib.sha1).digest()
-    oauth_params["oauth_signature"] = base64.b64encode(digest).decode()
-    header = "OAuth " + ", ".join(
-        f'{_oauth1_pct(k)}="{_oauth1_pct(v)}"'
-        for k, v in sorted(oauth_params.items())
-    )
-    return header
-
-
-async def _post_tweet(text: str, reply_to: str | None = None) -> str:
-    text = (text or "").strip()
-    if not text:
-        return json.dumps({"ok": False, "error": "text is required"})
-    if len(text) > 280:
-        return json.dumps({"ok": False, "error": f"text too long ({len(text)}/280)"})
+            from ..storage import storage
+            await storage.save_tool_result(call_id, name, arguments or {}, raw)
+        except Exception as exc:
+            print(f"[tool_results] persist failed for {name} call_id={call_id}: {exc}")
+            call_id = None
 
-    ck = os.environ.get("X_API_KEY")
-    cs = os.environ.get("X_API_SECRET")
-    tk = os.environ.get("X_ACCESS_TOKEN")
-    ts = os.environ.get("X_ACCESS_TOKEN_SECRET")
-    if not (ck and cs and tk and ts):
-        return json.dumps({
-            "ok": False,
-            "error": "missing X credentials — need X_API_KEY, X_API_SECRET, X_ACCESS_TOKEN, X_ACCESS_TOKEN_SECRET",
-        })
+    return await _maybe_summarize(name, arguments or {}, raw, call_id)
 
-    url = "https://api.x.com/2/tweets"
-    body: dict = {"text": text}
-    if reply_to:
-        body["reply"] = {"in_reply_to_tweet_id": str(reply_to)}
 
-    auth_header = _oauth1_header("POST", url, ck, cs, tk, ts)
+async def _execute_tool_inner(name: str, arguments: dict) -> str:
+    """Raw dispatch — returns the tool's unfiltered output. skill_* handlers
+    live in this module (they wrap the a0-skill loader); everything else goes
+    through the per-tool registry."""
+    args = arguments or {}
     try:
-        async with httpx.AsyncClient(timeout=15.0) as client:
-            resp = await client.post(
-                url,
-                json=body,
-                headers={
-                    "Authorization": auth_header,
-                    "Content-Type": "application/json",
-                    "User-Agent": "a0p/2.0",
-                },
+        if name == "skill_recommend":
+            return _skill_recommend(
+                query=args.get("query", ""),
+                limit=int(args.get("limit", 5) or 5),
             )
+        if name == "skill_load":
+            return _skill_load(args.get("name", ""))
         try:
-            data = resp.json()
-        except Exception:
-            data = {"raw": resp.text}
-        if resp.status_code >= 300:
-            return json.dumps({"ok": False, "status": resp.status_code, "error": data})
-        tweet_id = (data.get("data") or {}).get("id")
-        return json.dumps({
-            "ok": True,
-            "id": tweet_id,
-            "url": f"https://x.com/i/web/status/{tweet_id}" if tweet_id else None,
-            "text": (data.get("data") or {}).get("text", text),
-        })
+            return await _registry_dispatch(name, **args)
+        except KeyError:
+            return f"[unknown tool: {name}]"
     except Exception as exc:
-        return json.dumps({"ok": False, "error": f"request failed: {exc}"})
-
-
-_IMAGE_MODEL = "imagen-3.0-generate-002"
-
-
-async def _image_generate(prompt: str, aspect_ratio: str = "1:1", style_hint: str | None = None) -> str:
-    """Generate an image with Google Imagen and persist it under uploads/.
-
-    Fails explicitly (raises) on provider error per a0 doctrine — the model
-    needs to see the failure rather than receive a silent fallback.
-    """
-    prompt = (prompt or "").strip()
-    if not prompt:
-        raise ValueError("image_generate: prompt is required")
-    valid_ratios = {"1:1", "16:9", "9:16", "4:3", "3:4"}
-    if aspect_ratio not in valid_ratios:
-        aspect_ratio = "1:1"
-    full_prompt = f"{prompt}\n\nStyle: {style_hint}" if style_hint else prompt
-
-    api_key = os.environ.get("GEMINI_API_KEY") or os.environ.get("GOOGLE_API_KEY")
-    if not api_key:
-        raise RuntimeError("image_generate: GEMINI_API_KEY not configured")
-
-    from google import genai as _genai
-    from google.genai import types as _gtypes
-
-    client = _genai.Client(api_key=api_key)
-
-    def _gen() -> bytes:
-        resp = client.models.generate_images(
-            model=_IMAGE_MODEL,
-            prompt=full_prompt,
-            config=_gtypes.GenerateImagesConfig(
-                number_of_images=1,
-                aspect_ratio=aspect_ratio,
-                output_mime_type="image/png",
-            ),
-        )
-        if not getattr(resp, "generated_images", None):
-            raise RuntimeError(f"image_generate: provider returned no images for prompt={prompt!r}")
-        gi = resp.generated_images[0]
-        img = getattr(gi, "image", None) or gi
-        data = getattr(img, "image_bytes", None)
-        if not data:
-            raise RuntimeError("image_generate: provider returned empty image_bytes")
-        return data
-
-    import asyncio as _asyncio
-    img_bytes = await _asyncio.to_thread(_gen)
+        return f"[tool error — {name}: {exc}]"
 
-    import uuid
-    base = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
-    uploads_dir = os.path.join(base, "uploads")
-    os.makedirs(uploads_dir, exist_ok=True)
-    fname = f"img-{uuid.uuid4().hex[:16]}.png"
-    abs_path = os.path.join(uploads_dir, fname)
-    with open(abs_path, "wb") as fh:
-        fh.write(img_bytes)
-    storage_url = f"/uploads/{fname}"
 
-    from ..storage import storage as _storage
-    uid = _approval_scope_user_cv.get()
-    row = await _storage.create_generated_image({
-        "owner_user_id": uid,
-        "prompt": prompt,
-        "model": _IMAGE_MODEL,
-        "aspect_ratio": aspect_ratio,
-        "storage_url": storage_url,
-        "bytes": len(img_bytes),
-    })
-    return json.dumps({
-        "id": row.get("id"),
-        "storage_url": storage_url,
-        "prompt": prompt,
-        "aspect_ratio": aspect_ratio,
-    })
-# 633:14
+__all__ = [
+    "TOOL_SCHEMAS_CHAT",
+    "TOOL_SCHEMAS_RESPONSES",
+    "TOOL_SCHEMAS_RESPONSES_ZFAE",
+    "OPENAI_NATIVE_TOOLS",
+    "execute_tool",
+    "set_caller_provider",
+    "reset_caller_provider",
+    "set_approval_scope_user_id",
+    "get_approval_scope_user_id",
+    "get_a0_skill_manifest",
+    "get_a0_skill_body",
+    "_discover_a0_skills",
+    "_skill_recommend",
+    "_skill_load",
+]
+# 316:55
diff --git a/python/services/tools/__init__.py b/python/services/tools/__init__.py
index 2abb124da..f2cb57ffd 100644
--- a/python/services/tools/__init__.py
+++ b/python/services/tools/__init__.py
@@ -1,4 +1,4 @@
-# 76:30
+# 73:13
 """Tool registry — self-declaring per-tool modules.
 
 Discovery is filesystem-based: every `*.py` sibling that exports both a
@@ -21,6 +21,17 @@
 _CACHE: dict = {"modules": None, "fingerprint": ""}
 
 
+# Canonical side-effect taxonomy (see a0p-self-declaring-modules SKILL.md).
+# Any tool tagged "security_active" emits offensive traffic to a target system
+# (port scan, fuzzer, exploit run, brute force) and MUST declare a non-None
+# approval_scope. This is enforced at boot below — drop a pen-test tool with
+# "security_active" but no approval_scope and the registry refuses to load.
+_CANONICAL_SIDE_EFFECTS = frozenset({
+    "filesystem", "network", "billing", "external_account",
+    "mutating_db", "irreversible", "security_passive", "security_active",
+})
+
+
 @dataclass(frozen=True)
 class ToolSpec:
     """Typed view over a tool module's SCHEMA + handler."""
@@ -33,6 +44,7 @@ class ToolSpec:
     cost_hint: str
     side_effects: tuple[str, ...]
     version: int
+    recommended_skills: tuple[str, ...]
 
 
 def _discover() -> dict[str, ModuleType]:
@@ -59,35 +71,57 @@ def _discover() -> dict[str, ModuleType]:
 
 
 def registry() -> dict[str, ToolSpec]:
-    """Return {name: ToolSpec}, sorted by tool name for cache stability."""
+    """Return {name: ToolSpec}, sorted by tool name for cache stability.
+    Enforces: any tool with "security_active" in side_effects must declare a
+    non-None approval_scope (gates offensive tooling by construction)."""
     mods = _discover()
     out: dict[str, ToolSpec] = {}
     for name in sorted(mods.keys()):
         mod = mods[name]
         s = mod.SCHEMA
+        side_effects = tuple(s.get("side_effects", ()))
+        approval_scope = s.get("approval_scope")
+        if "security_active" in side_effects and not approval_scope:
+            raise RuntimeError(
+                f"tool {name!r} declares side_effects=['security_active', ...] "
+                f"but approval_scope is None — offensive tooling must be gated. "
+                f"Set SCHEMA['approval_scope'] to a scope name."
+            )
+        recommended = tuple(sorted(s.get("recommended_skills", ()) or ()))
         out[name] = ToolSpec(
             schema=s,
             handle=mod.handle,
             tier=s.get("tier", "free"),
-            approval_scope=s.get("approval_scope"),
+            approval_scope=approval_scope,
             enabled=bool(s.get("enabled", True)),
             category=s.get("category", "misc"),
             cost_hint=s.get("cost_hint", "low"),
-            side_effects=tuple(s.get("side_effects", ())),
+            side_effects=side_effects,
             version=int(s.get("version", 1)),
+            recommended_skills=recommended,
         )
     return out
 
 
 def tool_schemas_chat() -> list[dict]:
-    """OpenAI-shape function declarations for every enabled tool. Sorted."""
+    """OpenAI-shape function declarations for every enabled tool. Sorted.
+    For tools with a non-empty recommended_skills list, append a one-line tail
+    to the description so the model sees the skill connection at decode time."""
     out: list[dict] = []
     for spec in registry().values():
         if not spec.enabled:
             continue
+        fn = dict(spec.schema["function"])
+        if spec.recommended_skills:
+            joined = ", ".join(spec.recommended_skills)
+            tail = (
+                f"\n\nBest used with skill(s): {joined}. "
+                f"Call skill_load(name) to fetch the body before executing."
+            )
+            fn["description"] = (fn.get("description", "") or "") + tail
         out.append({
             "type": spec.schema.get("type", "function"),
-            "function": spec.schema["function"],
+            "function": fn,
         })
     return out
 
@@ -98,4 +132,4 @@ async def dispatch(name: str, **kwargs) -> Any:
     if name not in reg:
         raise KeyError(name)
     return await reg[name].handle(**kwargs)
-# 76:30
+# 73:13
diff --git a/python/services/tools/bandit_pull.py b/python/services/tools/bandit_pull.py
index 9df0555c6..d0ef00d55 100644
--- a/python/services/tools/bandit_pull.py
+++ b/python/services/tools/bandit_pull.py
@@ -1,4 +1,4 @@
-# 17:1
+# 26:1
 """bandit_pull — query EDCM bandit router for recommended energy provider."""
 import json
 
@@ -29,4 +29,4 @@ async def handle(**_) -> str:
         "recommended_provider": provider,
         "note": "Bandit router defers to coherence-weighted active provider",
     })
-# 17:1
+# 26:1
diff --git a/python/services/tools/edcm_score.py b/python/services/tools/edcm_score.py
index 55edcb1fa..a490024d5 100644
--- a/python/services/tools/edcm_score.py
+++ b/python/services/tools/edcm_score.py
@@ -1,4 +1,4 @@
-# 24:1
+# 33:1
 """edcm_score — return current EDCM ring coherence."""
 import json
 
@@ -36,4 +36,4 @@ async def handle(**_) -> str:
         "infer_count": pcna.infer_count,
         "reward_count": pcna.reward_count,
     })
-# 24:1
+# 33:1
diff --git a/python/services/tools/github_api.py b/python/services/tools/github_api.py
index 852c1368f..c7ef4788e 100644
--- a/python/services/tools/github_api.py
+++ b/python/services/tools/github_api.py
@@ -1,4 +1,4 @@
-# 71:18
+# 101:2
 """github_api — authenticated GitHub REST call."""
 import json
 import os
@@ -108,4 +108,4 @@ async def call_github_api(method: str, endpoint: str, body: dict | None = None)
 
 async def handle(method: str = "GET", endpoint: str = "/user", body: dict | None = None, **_) -> str:
     return await call_github_api(method, endpoint, body)
-# 71:18
+# 101:2
diff --git a/python/services/tools/github_write_file.py b/python/services/tools/github_write_file.py
index 7815389b6..9c2badf85 100644
--- a/python/services/tools/github_write_file.py
+++ b/python/services/tools/github_write_file.py
@@ -1,4 +1,4 @@
-# 70:6
+# 126:1
 """github_write_file — single-file commit helper around the GitHub Contents API."""
 import base64 as _b64
 import json
@@ -135,4 +135,4 @@ async def handle(
             "file_sha": content_meta.get("sha"),
         })
     return json.dumps({"ok": False, "stage": "write", "response": write})
-# 70:6
+# 126:1
diff --git a/python/services/tools/image_generate.py b/python/services/tools/image_generate.py
new file mode 100644
index 000000000..a9ce6df00
--- /dev/null
+++ b/python/services/tools/image_generate.py
@@ -0,0 +1,119 @@
+# 103:3
+"""image_generate — Google Imagen image generation, persisted under uploads/."""
+import json
+import os
+
+SCHEMA = {
+    "type": "function",
+    "function": {
+        "name": "image_generate",
+        "description": (
+            "Generate a new image from a text prompt using Google Imagen. "
+            "Returns {id, storage_url, prompt, aspect_ratio} pointing at a "
+            "PNG saved under uploads/ that you can reference back in your reply. "
+            "Use for infographics, illustrations, diagrams, or any visual the "
+            "user requested. Fails explicitly on provider error — no silent fallbacks."
+        ),
+        "parameters": {
+            "type": "object",
+            "properties": {
+                "prompt": {
+                    "type": "string",
+                    "description": "Detailed natural-language description of the image to generate.",
+                },
+                "aspect_ratio": {
+                    "type": "string",
+                    "enum": ["1:1", "16:9", "9:16", "4:3", "3:4"],
+                    "description": "Output aspect ratio. Default 1:1 (square).",
+                    "default": "1:1",
+                },
+                "style_hint": {
+                    "type": "string",
+                    "description": "Optional style cue appended to the prompt (e.g. 'minimalist line-art', 'photorealistic', 'flat infographic').",
+                },
+            },
+            "required": ["prompt"],
+        },
+    },
+    "tier": "free",
+    "approval_scope": None,
+    "enabled": True,
+    "category": "media",
+    "cost_hint": "high",
+    "side_effects": ["filesystem", "network", "billing"],
+    "version": 1,
+}
+
+_IMAGE_MODEL = "imagen-3.0-generate-002"
+_VALID_RATIOS = {"1:1", "16:9", "9:16", "4:3", "3:4"}
+
+
+async def handle(prompt: str = "", aspect_ratio: str = "1:1", style_hint: str | None = None, **_) -> str:
+    """Fails explicitly (raises) on provider error per a0 doctrine — the model
+    needs to see the failure rather than receive a silent fallback."""
+    prompt = (prompt or "").strip()
+    if not prompt:
+        raise ValueError("image_generate: prompt is required")
+    if aspect_ratio not in _VALID_RATIOS:
+        aspect_ratio = "1:1"
+    full_prompt = f"{prompt}\n\nStyle: {style_hint}" if style_hint else prompt
+
+    api_key = os.environ.get("GEMINI_API_KEY") or os.environ.get("GOOGLE_API_KEY")
+    if not api_key:
+        raise RuntimeError("image_generate: GEMINI_API_KEY not configured")
+
+    from google import genai as _genai
+    from google.genai import types as _gtypes
+
+    client = _genai.Client(api_key=api_key)
+
+    def _gen() -> bytes:
+        resp = client.models.generate_images(
+            model=_IMAGE_MODEL,
+            prompt=full_prompt,
+            config=_gtypes.GenerateImagesConfig(
+                number_of_images=1,
+                aspect_ratio=aspect_ratio,
+                output_mime_type="image/png",
+            ),
+        )
+        if not getattr(resp, "generated_images", None):
+            raise RuntimeError(f"image_generate: provider returned no images for prompt={prompt!r}")
+        gi = resp.generated_images[0]
+        img = getattr(gi, "image", None) or gi
+        data = getattr(img, "image_bytes", None)
+        if not data:
+            raise RuntimeError("image_generate: provider returned empty image_bytes")
+        return data
+
+    import asyncio as _asyncio
+    img_bytes = await _asyncio.to_thread(_gen)
+
+    import uuid
+    base = os.path.dirname(os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))))
+    uploads_dir = os.path.join(base, "uploads")
+    os.makedirs(uploads_dir, exist_ok=True)
+    fname = f"img-{uuid.uuid4().hex[:16]}.png"
+    abs_path = os.path.join(uploads_dir, fname)
+    with open(abs_path, "wb") as fh:
+        fh.write(img_bytes)
+    storage_url = f"/uploads/{fname}"
+
+    from ...storage import storage as _storage
+    from ..tool_executor import get_approval_scope_user_id
+    uid = get_approval_scope_user_id()
+    row = await _storage.create_generated_image({
+        "owner_user_id": uid,
+        "prompt": prompt,
+        "model": _IMAGE_MODEL,
+        "aspect_ratio": aspect_ratio,
+        "storage_url": storage_url,
+        "bytes": len(img_bytes),
+    })
+    return json.dumps({
+        "id": row.get("id"),
+        "storage_url": storage_url,
+        "prompt": prompt,
+        "aspect_ratio": aspect_ratio,
+    })
+# 103:3
diff --git a/python/services/tools/manage_approval_scope.py b/python/services/tools/manage_approval_scope.py
index 149d19856..2a40e4bfa 100644
--- a/python/services/tools/manage_approval_scope.py
+++ b/python/services/tools/manage_approval_scope.py
@@ -1,4 +1,4 @@
-# 76:5
+# 95:1
 """manage_approval_scope — grant/revoke pre-approved action scopes."""
 import json
 
@@ -106,4 +106,4 @@ async def handle(action: str = "list", scope: str | None = None, **_) -> str:
         return json.dumps({"ok": removed, "scope": scope, "revoked": removed})
 
     return f"[manage_approval_scope: unknown action '{action}']"
-# 76:5
+# 95:1
diff --git a/python/services/tools/memory_flush.py b/python/services/tools/memory_flush.py
index eb607f72f..654ceee8c 100644
--- a/python/services/tools/memory_flush.py
+++ b/python/services/tools/memory_flush.py
@@ -1,4 +1,4 @@
-# 18:1
+# 28:1
 """memory_flush — persist active memory seeds to checkpoint."""
 import json
 
@@ -31,4 +31,4 @@ async def handle(**_) -> str:
         "checkpoint_key": pcna._checkpoint_key,
         "infer_count": pcna.infer_count,
     })
-# 18:1
+# 28:1
diff --git a/python/services/tools/pcna_infer.py b/python/services/tools/pcna_infer.py
index bd816acd9..1c097a964 100644
--- a/python/services/tools/pcna_infer.py
+++ b/python/services/tools/pcna_infer.py
@@ -1,4 +1,4 @@
-# 23:3
+# 41:1
 """pcna_infer — run a signal through the PCNA tensor engine."""
 import json
 
@@ -44,4 +44,4 @@ async def handle(signal: float = 0.5, **_) -> str:
         "phi_coherence": result.get("step6_coherence", {}).get("phi", round(pcna.phi.ring_coherence, 4)),
         "infer_count": pcna.infer_count,
     })
-# 23:3
+# 41:1
diff --git a/python/services/tools/pcna_reward.py b/python/services/tools/pcna_reward.py
index 431efabd7..eb1a7ef4d 100644
--- a/python/services/tools/pcna_reward.py
+++ b/python/services/tools/pcna_reward.py
@@ -1,4 +1,4 @@
-# 22:1
+# 43:1
 """pcna_reward — apply a reward signal to the PCNA engine."""
 import json
 
@@ -46,4 +46,4 @@ async def handle(score: float = 0.0, reason: str = "", **_) -> str:
         "reward_count": pcna.reward_count,
         "last_coherence": round(pcna.last_coherence, 4),
     })
-# 22:1
+# 43:1
diff --git a/python/services/tools/.post_tweet.py.ebEYya_tKZCR1ysYeDbn3~ b/python/services/tools/post_tweet.py
similarity index 99%
rename from python/services/tools/.post_tweet.py.ebEYya_tKZCR1ysYeDbn3~
rename to python/services/tools/post_tweet.py
index a2abf7d4c..2455043a4 100644
--- a/python/services/tools/.post_tweet.py.ebEYya_tKZCR1ysYeDbn3~
+++ b/python/services/tools/post_tweet.py
@@ -1,4 +1,4 @@
-# 92:11
+# 120:2
 """post_tweet — post a tweet to X via OAuth 1.0a."""
 import base64
 import hashlib
@@ -131,4 +131,4 @@ async def handle(text: str = "", reply_to: str | None = None, **_) -> str:
         })
     except Exception as exc:
         return json.dumps({"ok": False, "error": f"request failed: {exc}"})
-# 92:11
+# 120:2
diff --git a/python/services/tools/set_user_tier.py b/python/services/tools/set_user_tier.py
new file mode 100644
index 000000000..506a5916f
--- /dev/null
+++ b/python/services/tools/set_user_tier.py
@@ -0,0 +1,85 @@
+# 73:1
+"""set_user_tier — admin-only DB tier override."""
+import json
+
+SCHEMA = {
+    "type": "function",
+    "function": {
+        "name": "set_user_tier",
+        "description": (
+            "Admin-only: set a user's subscription tier immediately, bypassing Stripe. "
+            "Use to promote, demote, or correct a user's access level. "
+            "Valid tiers: free, supporter, ws, admin."
+        ),
+        "parameters": {
+            "type": "object",
+            "properties": {
+                "user_id": {
+                    "type": "string",
+                    "description": "The UUID of the user whose tier should change.",
+                },
+                "tier": {
+                    "type": "string",
+                    "enum": ["free", "supporter", "ws", "admin"],
+                    "description": "The new subscription tier to assign.",
+                },
+            },
+            "required": ["user_id", "tier"],
+        },
+    },
+    "tier": "admin",
+    "approval_scope": None,
+    "enabled": True,
+    "category": "admin",
+    "cost_hint": "free",
+    "side_effects": ["change_permissions"],
+    "version": 1,
+}
+
+_VALID = ("free", "supporter", "ws", "admin")
+
+
+async def handle(user_id: str = "", tier: str = "", **_) -> str:
+    from ...database import engine
+    from sqlalchemy import text as sa_text
+    from ..tool_executor import get_approval_scope_user_id
+
+    if not user_id:
+        return json.dumps({"ok": False, "error": "user_id is required"})
+    if tier not in _VALID:
+        return json.dumps({"ok": False, "error": f"Invalid tier '{tier}'. Valid: {_VALID}"})
+
+    caller_uid = get_approval_scope_user_id()
+    if not caller_uid:
+        return json.dumps({"ok": False, "error": "No user context — must be called within a chat request"})
+
+    async with engine.connect() as conn:
+        admin_row = await conn.execute(
+            sa_text(
+                "SELECT 1 FROM admin_emails WHERE email = "
+                "(SELECT email FROM users WHERE id = :uid)"
+            ),
+            {"uid": caller_uid},
+        )
+        if not admin_row.first():
+            return json.dumps({"ok": False, "error": "Admin access required"})
+
+    async with engine.begin() as conn:
+        res = await conn.execute(
+            sa_text(
+                "UPDATE users SET subscription_tier = :tier WHERE id = :uid "
+                "RETURNING id, email, subscription_tier"
+            ),
+            {"tier": tier, "uid": user_id},
+        )
+        updated = res.mappings().first()
+
+    if not updated:
+        return json.dumps({"ok": False, "error": f"User '{user_id}' not found"})
+    return json.dumps({
+        "ok": True,
+        "user_id": updated["id"],
+        "email": updated["email"],
+        "tier": updated["subscription_tier"],
+    })
+# 73:1
diff --git a/python/services/tools/sub_agent_merge.py b/python/services/tools/sub_agent_merge.py
index 561a36dfe..f2c054e1b 100644
--- a/python/services/tools/sub_agent_merge.py
+++ b/python/services/tools/sub_agent_merge.py
@@ -1,4 +1,4 @@
-# 18:1
+# 36:1
 """sub_agent_merge — merge a sub-agent's ring state back into primary PCNA."""
 import json
 
@@ -39,4 +39,4 @@ async def handle(agent_id: str = "", **_) -> str:
         "status": "merged",
         "note": "Ring state consolidated into primary PCNA",
     })
-# 18:1
+# 36:1
diff --git a/python/services/tools/sub_agent_spawn.py b/python/services/tools/sub_agent_spawn.py
index 00d357c30..91a2ce823 100644
--- a/python/services/tools/sub_agent_spawn.py
+++ b/python/services/tools/sub_agent_spawn.py
@@ -1,4 +1,4 @@
-# 18:1
+# 37:1
 """sub_agent_spawn — fork a ZFAE sub-agent for a parallel task."""
 import json
 import uuid
@@ -40,4 +40,4 @@ async def handle(task: str = "", **_) -> str:
         "status": "spawned",
         "note": "Sub-agent forked PCNA — call sub_agent_merge with this ID when complete",
     })
-# 18:1
+# 37:1
diff --git a/python/services/tools/tool_result_fetch.py b/python/services/tools/tool_result_fetch.py
index 8f32729c7..707b8b57b 100644
--- a/python/services/tools/tool_result_fetch.py
+++ b/python/services/tools/tool_result_fetch.py
@@ -1,4 +1,4 @@
-# 33:13
+# 65:1
 """tool_result_fetch — read a chunk of a previously persisted tool result."""
 
 SCHEMA = {
@@ -68,4 +68,4 @@ async def handle(call_id: str = "", chunk: int = 0, chunk_size: int = 8000, **_)
         f"chunk {chunk + 1}/{n_chunks} · {total_bytes // 1024} KB total]\n\n"
         f"{body}"
     )
-# 33:13
+# 65:1
diff --git a/python/services/tools/web_search.py b/python/services/tools/web_search.py
index c991a1549..0fcb5c844 100644
--- a/python/services/tools/web_search.py
+++ b/python/services/tools/web_search.py
@@ -1,4 +1,4 @@
-# 50:6
+# 72:1
 """web_search — DuckDuckGo instant-answer lookup."""
 import urllib.parse
 import httpx
@@ -75,4 +75,4 @@ async def handle(query: str = "", **_) -> str:
         return f"Query: {query}\n" + "\n".join(parts)
     except Exception as exc:
         return f"[web_search error: {exc}]"
-# 50:6
+# 72:1
diff --git a/python/storage/core.py b/python/storage/core.py
index 6fb30f841..74f412e3d 100644
--- a/python/storage/core.py
+++ b/python/storage/core.py
@@ -1,4 +1,4 @@
-# 320:0
+# 423:16
 from datetime import datetime, timedelta
 from typing import Any, Dict, List, Optional
 from sqlalchemy import select, update, delete, func, desc, asc, or_
@@ -497,4 +497,4 @@ async def update_custom_tool(self, id: int, updates: Dict[str, Any]) -> None:
     async def delete_custom_tool(self, id: int) -> None:
         async with get_session() as session:
             await session.execute(delete(CustomTool).where(CustomTool.id == id))
-# 320:0
+# 423:16
diff --git a/server/attachments.ts b/server/attachments.ts
index 126c14591..0bea2da1b 100644
--- a/server/attachments.ts
+++ b/server/attachments.ts
@@ -1,4 +1,4 @@
-// 1:0
+// 62:0
 import path from "path";
 import fs from "fs";
 import crypto from "crypto";
@@ -66,4 +66,4 @@ export function registerAttachmentRoutes(app: Express) {
     });
   });
 }
-// 1:0
+// 62:0
diff --git a/server/auth/routes.ts b/server/auth/routes.ts
index 7719dc743..e91e2b76f 100644
--- a/server/auth/routes.ts
+++ b/server/auth/routes.ts
@@ -1,4 +1,4 @@
-// 179:0
+// 226:16
 import crypto from "crypto";
 import type { Express, Request, Response } from "express";
 import { authStorage } from "./storage";
@@ -260,4 +260,4 @@ export function registerAuthRoutes(app: Express) {
     }
   });
 }
-// 179:0
+// 226:16
diff --git a/server/auth/setup.ts b/server/auth/setup.ts
index 3294a7ab7..85a7af785 100644
--- a/server/auth/setup.ts
+++ b/server/auth/setup.ts
@@ -1,4 +1,4 @@
-// 34:0
+// 39:1
 import session from "express-session";
 import ConnectPgSimple from "connect-pg-simple";
 import type { Express } from "express";
@@ -45,4 +45,4 @@ export function regenerateSession(req: import("express").Request): Promise<void>
     req.session.regenerate((err) => (err ? reject(err) : resolve()));
   });
 }
-// 34:0
+// 39:1
diff --git a/server/index.ts b/server/index.ts
index 1a0e987d5..0c05256c8 100644
--- a/server/index.ts
+++ b/server/index.ts
@@ -1,4 +1,4 @@
-// 112:0
+// 178:11
 import "./types.d.ts";
 import path from "path";
 import fs from "fs";
@@ -201,4 +201,4 @@ async function waitForPython(maxWaitMs = 120_000): Promise<void> {
 })();
 
 export default app;
-// 112:0
+// 178:11
diff --git a/server/types.d.ts b/server/types.d.ts
index ad295d2ff..a9d507aff 100644
--- a/server/types.d.ts
+++ b/server/types.d.ts
@@ -1,4 +1,4 @@
-// 13:0
+// 14:0
 import "express-session";
 
 declare module "express-session" {
@@ -15,4 +15,4 @@ declare module "express-session" {
 }
 
 export {};
-// 13:0
+// 14:0
diff --git a/shared/schema.ts b/shared/schema.ts
index 0e7d98c17..3e5cd651d 100644
--- a/shared/schema.ts
+++ b/shared/schema.ts
@@ -1,4 +1,4 @@
-// 381:13
+// 512:16
 import { sql } from "drizzle-orm";
 import { pgTable, text, varchar, serial, integer, timestamp, jsonb, real, boolean, uniqueIndex, index } from "drizzle-orm/pg-core";
 import { createInsertSchema } from "drizzle-zod";
@@ -603,4 +603,4 @@ export const generatedImages = pgTable("generated_images", {
 export const insertGeneratedImageSchema = createInsertSchema(generatedImages).omit({ id: true, createdAt: true });
 export type GeneratedImage = typeof generatedImages.$inferSelect;
 export type InsertGeneratedImage = z.infer<typeof insertGeneratedImageSchema>;
-// 381:13
+// 512:16
diff --git a/tests/conftest.py b/tests/conftest.py
index 3acceb3d8..7540351ba 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,4 +1,4 @@
-# 12:5
+# 7:4
 # DOC module: tests
 # DOC label: Test fixtures
 # DOC description: Shared pytest fixtures and path setup so test modules can
@@ -12,4 +12,4 @@
     sys.path.insert(0, str(_ROOT))
 
 os.environ.setdefault("INTERNAL_API_SECRET", "test-secret")
-# 12:5
+# 7:4
diff --git a/tests/e2e/console-tabs.spec.ts b/tests/e2e/console-tabs.spec.ts
index 81b116cb8..4eb1f74f4 100644
--- a/tests/e2e/console-tabs.spec.ts
+++ b/tests/e2e/console-tabs.spec.ts
@@ -1,3 +1,4 @@
+// 129:25
 import { test, expect, request, type Page } from "@playwright/test";
 
 // Canonical contract: tab_ids that MUST render via a custom React component
@@ -164,3 +165,4 @@ test.describe("Console tabs render correctly", () => {
     ).toEqual([]);
   });
 });
+// 129:25
diff --git a/tests/test_live_server.py b/tests/test_live_server.py
index ace69b5ad..93a6d178a 100644
--- a/tests/test_live_server.py
+++ b/tests/test_live_server.py
@@ -1,4 +1,4 @@
-# 44:9
+# 35:7
 # DOC module: tests.test_live_server
 # DOC label: Live-server HTTP smoke
 # DOC description: Hits the running Express+FastAPI stack on localhost:5000
@@ -52,4 +52,4 @@ def test_internal_header_required_on_python_direct_call():
     except Exception:
         pytest.skip("python backend not reachable on 8001 in this environment")
     assert r.status_code in (401, 403), f"expected reject, got {r.status_code}"
-# 44:9
+# 35:7
diff --git a/tests/test_route_imports.py b/tests/test_route_imports.py
index 9762f3dd8..022332f7b 100644
--- a/tests/test_route_imports.py
+++ b/tests/test_route_imports.py
@@ -1,4 +1,4 @@
-# 38:7
+# 25:6
 # DOC module: tests.test_route_imports
 # DOC label: Route-import smoke
 # DOC description: Imports every route module under python/routes/ to catch
@@ -39,4 +39,4 @@ def test_ui_meta_collection_runs():
     for t in tabs:
         assert "tab_id" in t, f"tab missing tab_id: {t}"
         assert "label" in t
-# 38:7
+# 25:6
diff --git a/tests/test_skills.py b/tests/test_skills.py
index 2a0dade0d..662762229 100644
--- a/tests/test_skills.py
+++ b/tests/test_skills.py
@@ -1,4 +1,4 @@
-# 56:8
+# 43:5
 # DOC module: tests.test_skills
 # DOC label: Skill subsystem
 # DOC description: Smoke tests for the a0-native skill loader, manifest
@@ -66,4 +66,4 @@ def test_skill_tools_registered_in_chat_schema():
     names = {t["function"]["name"] for t in TOOL_SCHEMAS_CHAT if "function" in t}
     assert "skill_recommend" in names
     assert "skill_load" in names
-# 56:8
+# 43:5
diff --git a/tests/test_tools_registry.py b/tests/test_tools_registry.py
new file mode 100644
index 000000000..d6a97f7ec
--- /dev/null
+++ b/tests/test_tools_registry.py
@@ -0,0 +1,60 @@
+# 37:7
+# DOC module: tests.test_tools_registry
+# DOC label: Tools registry
+# DOC description: Self-declaring per-tool module discovery — every file in
+# python/services/tools/ must export SCHEMA + handle, the registry must be
+# deterministic, dispatch must raise KeyError on unknown names, and the
+# combined chat schema must continue to surface the skill_* tools that still
+# live in tool_executor.py.
+import glob
+import os
+
+import pytest
+
+from python.services import tools as tools_pkg
+from python.services.tool_executor import TOOL_SCHEMAS_CHAT
+
+
+_TOOLS_DIR = os.path.dirname(tools_pkg.__file__)
+_TOOL_FILES = sorted(
+    p for p in glob.glob(os.path.join(_TOOLS_DIR, "*.py"))
+    if not os.path.basename(p).startswith("_")
+)
+
+
+@pytest.mark.parametrize("path", _TOOL_FILES, ids=lambda p: os.path.basename(p))
+def test_every_tool_module_declares_schema_and_handle(path):
+    stem = os.path.basename(path)[:-3]
+    import importlib
+    mod = importlib.import_module(f"python.services.tools.{stem}")
+    assert hasattr(mod, "SCHEMA"), f"{stem} missing SCHEMA"
+    assert hasattr(mod, "handle"), f"{stem} missing handle"
+    assert mod.SCHEMA["function"]["name"] == stem, (
+        f"{stem}: SCHEMA name {mod.SCHEMA['function']['name']!r} != filename stem"
+    )
+
+
+def test_registry_is_deterministic():
+    a = list(tools_pkg.registry().keys())
+    b = list(tools_pkg.registry().keys())
+    assert a == b
+    assert a == sorted(a)
+
+
+def test_dispatch_unknown_raises():
+    import asyncio
+    with pytest.raises(KeyError):
+        asyncio.run(tools_pkg.dispatch("definitely-not-a-real-tool"))
+
+
+def test_image_generate_tool_present():
+    reg = tools_pkg.registry()
+    assert "image_generate" in reg
+    assert reg["image_generate"].schema["function"]["name"] == "image_generate"
+
+
+def test_skill_tools_still_present():
+    names = {t["function"]["name"] for t in TOOL_SCHEMAS_CHAT}
+    assert "skill_recommend" in names
+    assert "skill_load" in names
+# 37:7
diff --git a/vite.config.ts b/vite.config.ts
index 059f1f067..37d0606a4 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -1,4 +1,4 @@
-// 42:0
+// 43:0
 import { defineConfig } from "vite";
 import react from "@vitejs/plugin-react";
 import path from "path";
@@ -43,4 +43,4 @@ export default defineConfig({
     },
   },
 });
-// 42:0
+// 43:0

From cbf9a2dae414f5f0b2b6e1ea5ecb6c158fcb3042 Mon Sep 17 00:00:00 2001
From: erinepshovel <45990827-erinepshovel@users.noreply.replit.com>
Date: Mon, 20 Apr 2026 05:20:03 +0000
Subject: [PATCH 51/61] Add unified artifact archiving system for generated
 files

Integrates object storage for persistent artifact storage, modifies tools to declare artifact production, and adds a new UI page for browsing archived files.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 989152a5-26bd-47df-a87b-e065a495f0b5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 8bf61f1c-0694-4028-bb58-893991158f30
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/ea70512b-ff44-4f4d-bb44-93c50f1a0571/989152a5-26bd-47df-a87b-e065a495f0b5/6M3pEOF
Replit-Helium-Checkpoint-Created: true
---
 .replit                                       |   2 +-
 client/src/App.tsx                            |   6 +-
 client/src/components/ObjectUploader.tsx      | 105 +++
 client/src/components/top-nav.tsx             |   7 +-
 client/src/hooks/use-upload.ts                | 201 +++++
 client/src/pages/archive.tsx                  | 266 +++++++
 package-lock.json                             | 696 +++++++++++++++++-
 package.json                                  |   5 +
 pyproject.toml                                |   1 +
 python/routes/__init__.py                     |   8 +-
 python/routes/artifacts.py                    | 137 ++++
 python/scripts/__init__.py                    |   2 +
 python/scripts/backfill_generated_images.py   |  94 +++
 python/services/artifacts.py                  | 273 +++++++
 python/services/tools/__init__.py             |  25 +-
 python/services/tools/_archive_wrap.py        |  83 +++
 python/services/tools/image_generate.py       |  64 +-
 repl_nix_workspace.egg-info/PKG-INFO          |   1 +
 repl_nix_workspace.egg-info/SOURCES.txt       |   6 +-
 repl_nix_workspace.egg-info/requires.txt      |   1 +
 .../object_storage/index.ts                   |  23 +
 .../object_storage/objectAcl.ts               | 183 +++++
 .../object_storage/objectStorage.ts           | 302 ++++++++
 .../object_storage/routes.ts                  |  88 +++
 shared/schema.ts                              |  31 +-
 tests/test_artifacts.py                       | 206 ++++++
 uv.lock                                       | 139 ++++
 27 files changed, 2897 insertions(+), 58 deletions(-)
 create mode 100644 client/src/components/ObjectUploader.tsx
 create mode 100644 client/src/hooks/use-upload.ts
 create mode 100644 client/src/pages/archive.tsx
 create mode 100644 python/routes/artifacts.py
 create mode 100644 python/scripts/__init__.py
 create mode 100644 python/scripts/backfill_generated_images.py
 create mode 100644 python/services/artifacts.py
 create mode 100644 python/services/tools/_archive_wrap.py
 create mode 100644 server/replit_integrations/object_storage/index.ts
 create mode 100644 server/replit_integrations/object_storage/objectAcl.ts
 create mode 100644 server/replit_integrations/object_storage/objectStorage.ts
 create mode 100644 server/replit_integrations/object_storage/routes.ts
 create mode 100644 tests/test_artifacts.py

diff --git a/.replit b/.replit
index 9924c97db..d3e7919b3 100644
--- a/.replit
+++ b/.replit
@@ -61,7 +61,7 @@ args = "bash scripts/start-dev.sh"
 waitForPort = 5000
 
 [agent]
-integrations = ["javascript_database:1.0.0", "javascript_xai:1.0.0", "javascript_gemini_ai_integrations:2.0.0", "google-mail:1.0.0", "google-drive:1.0.0", "javascript_log_in_with_replit:2.0.0", "stripe:2.0.0", "github:1.0.0"]
+integrations = ["javascript_database:1.0.0", "javascript_xai:1.0.0", "javascript_gemini_ai_integrations:2.0.0", "google-mail:1.0.0", "google-drive:1.0.0", "javascript_log_in_with_replit:2.0.0", "stripe:2.0.0", "github:1.0.0", "javascript_object_storage:2.0.0"]
 
 [userenv]
 
diff --git a/client/src/App.tsx b/client/src/App.tsx
index 023d6b6d5..66cf21f6c 100644
--- a/client/src/App.tsx
+++ b/client/src/App.tsx
@@ -1,4 +1,4 @@
-// 87:0
+// 89:0
 import { Switch, Route, useLocation, Redirect } from "wouter";
 import { QueryClientProvider } from "@tanstack/react-query";
 import { queryClient } from "./lib/queryClient";
@@ -14,6 +14,7 @@ import RegisterPage from "@/pages/register";
 import ResetPage from "@/pages/reset";
 import PricingPage from "@/pages/pricing";
 import AdminContextsPage from "@/pages/admin-contexts";
+import ArchivePage from "@/pages/archive";
 import TopNav from "@/components/top-nav";
 import HmmmDoctrine from "@/components/hmmm-doctrine";
 
@@ -28,6 +29,7 @@ function Router() {
       <Route path="/console" component={ConsolePage} />
       <Route path="/pricing" component={PricingPage} />
       <Route path="/admin/contexts" component={AdminContextsPage} />
+      <Route path="/archive" component={ArchivePage} />
       <Route component={ChatPage} />
     </Switch>
   );
@@ -95,4 +97,4 @@ export default function App() {
     </QueryClientProvider>
   );
 }
-// 87:0
+// 89:0
diff --git a/client/src/components/ObjectUploader.tsx b/client/src/components/ObjectUploader.tsx
new file mode 100644
index 000000000..f39b754f5
--- /dev/null
+++ b/client/src/components/ObjectUploader.tsx
@@ -0,0 +1,105 @@
+// 64:34
+import { useState } from "react";
+import type { ReactNode } from "react";
+import Uppy from "@uppy/core";
+import type { UppyFile, UploadResult } from "@uppy/core";
+import DashboardModal from "@uppy/react/dashboard-modal";
+import "@uppy/core/css/style.min.css";
+import "@uppy/dashboard/css/style.min.css";
+import AwsS3 from "@uppy/aws-s3";
+import { Button } from "@/components/ui/button";
+
+interface ObjectUploaderProps {
+  maxNumberOfFiles?: number;
+  maxFileSize?: number;
+  /**
+   * Function to get upload parameters for each file.
+   * IMPORTANT: This receives the file object - use file.name, file.size, file.type
+   * to request per-file presigned URLs from your backend.
+   */
+  onGetUploadParameters: (
+    file: UppyFile<Record<string, unknown>, Record<string, unknown>>
+  ) => Promise<{
+    method: "PUT";
+    url: string;
+    headers?: Record<string, string>;
+  }>;
+  onComplete?: (
+    result: UploadResult<Record<string, unknown>, Record<string, unknown>>
+  ) => void;
+  buttonClassName?: string;
+  children: ReactNode;
+}
+
+/**
+ * A file upload component that renders as a button and provides a modal interface for
+ * file management.
+ *
+ * Features:
+ * - Renders as a customizable button that opens a file upload modal
+ * - Provides a modal interface for:
+ *   - File selection
+ *   - File preview
+ *   - Upload progress tracking
+ *   - Upload status display
+ *
+ * The component uses Uppy v5 under the hood to handle all file upload functionality.
+ * All file management features are automatically handled by the Uppy dashboard modal.
+ *
+ * @param props - Component props
+ * @param props.maxNumberOfFiles - Maximum number of files allowed to be uploaded
+ *   (default: 1)
+ * @param props.maxFileSize - Maximum file size in bytes (default: 10MB)
+ * @param props.onGetUploadParameters - Function to get upload parameters for each file.
+ *   Receives the UppyFile object with file.name, file.size, file.type properties.
+ *   Use these to request per-file presigned URLs from your backend. Returns method,
+ *   url, and optional headers for the upload request.
+ * @param props.onComplete - Callback function called when upload is complete. Typically
+ *   used to make post-upload API calls to update server state and set object ACL
+ *   policies.
+ * @param props.buttonClassName - Optional CSS class name for the button
+ * @param props.children - Content to be rendered inside the button
+ */
+export function ObjectUploader({
+  maxNumberOfFiles = 1,
+  maxFileSize = 10485760, // 10MB default
+  onGetUploadParameters,
+  onComplete,
+  buttonClassName,
+  children,
+}: ObjectUploaderProps) {
+  const [showModal, setShowModal] = useState(false);
+  const [uppy] = useState(() =>
+    new Uppy({
+      restrictions: {
+        maxNumberOfFiles,
+        maxFileSize,
+      },
+      autoProceed: false,
+    })
+      .use(AwsS3, {
+        shouldUseMultipart: false,
+        getUploadParameters: onGetUploadParameters,
+      })
+      .on("complete", (result) => {
+        onComplete?.(result);
+      })
+  );
+
+  return (
+    <div>
+      <Button onClick={() => setShowModal(true)} className={buttonClassName}>
+        {children}
+      </Button>
+
+      <DashboardModal
+        uppy={uppy}
+        open={showModal}
+        onRequestClose={() => setShowModal(false)}
+        proudlyDisplayPoweredByUppy={false}
+      />
+    </div>
+  );
+}
+
+// 64:34
diff --git a/client/src/components/top-nav.tsx b/client/src/components/top-nav.tsx
index 7b433a5ca..11a948cac 100644
--- a/client/src/components/top-nav.tsx
+++ b/client/src/components/top-nav.tsx
@@ -1,6 +1,6 @@
-// 138:0
+// 139:0
 import { useLocation, Link } from "wouter";
-import { Zap, Shield, Palette, Check } from "lucide-react";
+import { Zap, Shield, Palette, Check, Archive } from "lucide-react";
 import { cn } from "@/lib/utils";
 import { useUiStructure } from "@/hooks/use-ui-structure";
 import { useBillingStatus } from "@/hooks/use-billing-status";
@@ -14,6 +14,7 @@ import { Button } from "@/components/ui/button";
 const NAV_ITEMS = [
   { path: "/", icon: Zap, label: "Agent" },
   { path: "/console", icon: Shield, label: "Console" },
+  { path: "/archive", icon: Archive, label: "Archive" },
 ];
 
 const TIER_COLORS: Record<string, string> = {
@@ -143,4 +144,4 @@ export default function TopNav() {
     </nav>
   );
 }
-// 138:0
+// 139:0
diff --git a/client/src/hooks/use-upload.ts b/client/src/hooks/use-upload.ts
new file mode 100644
index 000000000..81147f12f
--- /dev/null
+++ b/client/src/hooks/use-upload.ts
@@ -0,0 +1,201 @@
+// 119:62
+import { useState, useCallback } from "react";
+import type { UppyFile } from "@uppy/core";
+
+interface UploadMetadata {
+  name: string;
+  size: number;
+  contentType: string;
+}
+
+interface UploadResponse {
+  uploadURL: string;
+  objectPath: string;
+  metadata: UploadMetadata;
+}
+
+interface UseUploadOptions {
+  onSuccess?: (response: UploadResponse) => void;
+  onError?: (error: Error) => void;
+}
+
+/**
+ * React hook for handling file uploads with presigned URLs.
+ *
+ * This hook implements the two-step presigned URL upload flow:
+ * 1. Request a presigned URL from your backend (sends JSON metadata, NOT the file)
+ * 2. Upload the file directly to the presigned URL
+ *
+ * @example
+ * ```tsx
+ * function FileUploader() {
+ *   const { uploadFile, isUploading, error } = useUpload({
+ *     onSuccess: (response) => {
+ *       console.log("Uploaded to:", response.objectPath);
+ *     },
+ *   });
+ *
+ *   const handleFileChange = async (e: React.ChangeEvent<HTMLInputElement>) => {
+ *     const file = e.target.files?.[0];
+ *     if (file) {
+ *       await uploadFile(file);
+ *     }
+ *   };
+ *
+ *   return (
+ *     <div>
+ *       <input type="file" onChange={handleFileChange} disabled={isUploading} />
+ *       {isUploading && <p>Uploading...</p>}
+ *       {error && <p>Error: {error.message}</p>}
+ *     </div>
+ *   );
+ * }
+ * ```
+ */
+export function useUpload(options: UseUploadOptions = {}) {
+  const [isUploading, setIsUploading] = useState(false);
+  const [error, setError] = useState<Error | null>(null);
+  const [progress, setProgress] = useState(0);
+
+  /**
+   * Request a presigned URL from the backend.
+   * IMPORTANT: Send JSON metadata, NOT the file itself.
+   */
+  const requestUploadUrl = useCallback(
+    async (file: File): Promise<UploadResponse> => {
+      const response = await fetch("/api/uploads/request-url", {
+        method: "POST",
+        headers: {
+          "Content-Type": "application/json",
+        },
+        body: JSON.stringify({
+          name: file.name,
+          size: file.size,
+          contentType: file.type || "application/octet-stream",
+        }),
+      });
+
+      if (!response.ok) {
+        const errorData = await response.json().catch(() => ({}));
+        throw new Error(errorData.error || "Failed to get upload URL");
+      }
+
+      return response.json();
+    },
+    []
+  );
+
+  /**
+   * Upload a file directly to the presigned URL.
+   */
+  const uploadToPresignedUrl = useCallback(
+    async (file: File, uploadURL: string): Promise<void> => {
+      const response = await fetch(uploadURL, {
+        method: "PUT",
+        body: file,
+        headers: {
+          "Content-Type": file.type || "application/octet-stream",
+        },
+      });
+
+      if (!response.ok) {
+        throw new Error("Failed to upload file to storage");
+      }
+    },
+    []
+  );
+
+  /**
+   * Upload a file using the presigned URL flow.
+   *
+   * @param file - The file to upload
+   * @returns The upload response containing the object path
+   */
+  const uploadFile = useCallback(
+    async (file: File): Promise<UploadResponse | null> => {
+      setIsUploading(true);
+      setError(null);
+      setProgress(0);
+
+      try {
+        // Step 1: Request presigned URL (send metadata as JSON)
+        setProgress(10);
+        const uploadResponse = await requestUploadUrl(file);
+
+        // Step 2: Upload file directly to presigned URL
+        setProgress(30);
+        await uploadToPresignedUrl(file, uploadResponse.uploadURL);
+
+        setProgress(100);
+        options.onSuccess?.(uploadResponse);
+        return uploadResponse;
+      } catch (err) {
+        const error = err instanceof Error ? err : new Error("Upload failed");
+        setError(error);
+        options.onError?.(error);
+        return null;
+      } finally {
+        setIsUploading(false);
+      }
+    },
+    [requestUploadUrl, uploadToPresignedUrl, options]
+  );
+
+  /**
+   * Get upload parameters for Uppy's AWS S3 plugin.
+   *
+   * IMPORTANT: This function receives the UppyFile object from Uppy.
+   * Use file.name, file.size, file.type to request per-file presigned URLs.
+   *
+   * Use this with the ObjectUploader component:
+   * ```tsx
+   * <ObjectUploader onGetUploadParameters={getUploadParameters}>
+   *   Upload
+   * </ObjectUploader>
+   * ```
+   */
+  const getUploadParameters = useCallback(
+    async (
+      file: UppyFile<Record<string, unknown>, Record<string, unknown>>
+    ): Promise<{
+      method: "PUT";
+      url: string;
+      headers?: Record<string, string>;
+    }> => {
+      // Use the actual file properties to request a per-file presigned URL
+      const response = await fetch("/api/uploads/request-url", {
+        method: "POST",
+        headers: {
+          "Content-Type": "application/json",
+        },
+        body: JSON.stringify({
+          name: file.name,
+          size: file.size,
+          contentType: file.type || "application/octet-stream",
+        }),
+      });
+
+      if (!response.ok) {
+        throw new Error("Failed to get upload URL");
+      }
+
+      const data = await response.json();
+      return {
+        method: "PUT",
+        url: data.uploadURL,
+        headers: { "Content-Type": file.type || "application/octet-stream" },
+      };
+    },
+    []
+  );
+
+  return {
+    uploadFile,
+    getUploadParameters,
+    isUploading,
+    error,
+    progress,
+  };
+}
+
+// 119:62
diff --git a/client/src/pages/archive.tsx b/client/src/pages/archive.tsx
new file mode 100644
index 000000000..bebcfb46f
--- /dev/null
+++ b/client/src/pages/archive.tsx
@@ -0,0 +1,266 @@
+// 248:0
+import { useState } from "react";
+import { useQuery } from "@tanstack/react-query";
+import { apiRequest, queryClient } from "@/lib/queryClient";
+import { useBillingStatus } from "@/hooks/use-billing-status";
+import { Button } from "@/components/ui/button";
+import { Card } from "@/components/ui/card";
+import { Badge } from "@/components/ui/badge";
+import { Switch } from "@/components/ui/switch";
+import {
+  Select, SelectContent, SelectItem, SelectTrigger, SelectValue,
+} from "@/components/ui/select";
+import {
+  Dialog, DialogContent, DialogHeader, DialogTitle,
+} from "@/components/ui/dialog";
+import { Loader2, Download, Image as ImageIcon, FileText, FileJson, FileCode, FileBinary, Archive as ArchiveIcon } from "lucide-react";
+
+type Artifact = {
+  id: string;
+  kind: string;
+  tool_name: string | null;
+  agent_run_id: string | null;
+  storage_path: string;
+  filename: string;
+  mime: string;
+  size_bytes: number;
+  sha256: string;
+  provenance: Record<string, unknown> | null;
+  public: boolean;
+  created_at: string | null;
+};
+
+const KIND_OPTIONS = ["all", "image", "text", "json", "code", "report", "recon", "exploit_evidence", "binary"];
+const RANGE_OPTIONS: { value: string; label: string }[] = [
+  { value: "all", label: "All time" },
+  { value: "24h", label: "Last 24h" },
+  { value: "7d", label: "Last 7 days" },
+  { value: "30d", label: "Last 30 days" },
+];
+
+function kindIcon(kind: string) {
+  if (kind === "image") return ImageIcon;
+  if (kind === "json") return FileJson;
+  if (kind === "code") return FileCode;
+  if (kind === "text" || kind === "report") return FileText;
+  return FileBinary;
+}
+
+function formatBytes(n: number): string {
+  if (n < 1024) return `${n} B`;
+  if (n < 1024 * 1024) return `${(n / 1024).toFixed(1)} KB`;
+  return `${(n / (1024 * 1024)).toFixed(2)} MB`;
+}
+
+export default function ArchivePage() {
+  const { isAdmin } = useBillingStatus();
+  const [kind, setKind] = useState<string>("all");
+  const [tool, setTool] = useState<string>("all");
+  const [range, setRange] = useState<string>("all");
+  const [selected, setSelected] = useState<Artifact | null>(null);
+
+  const params = new URLSearchParams();
+  if (kind !== "all") params.set("kind", kind);
+  if (tool !== "all") params.set("tool", tool);
+  if (range !== "all") params.set("range", range);
+  params.set("limit", "50");
+  const qs = params.toString();
+  const listKey = ["/api/v1/artifacts", qs];
+
+  const { data, isLoading } = useQuery<{ items: Artifact[] }>({
+    queryKey: listKey,
+    queryFn: async () => {
+      const r = await fetch(`/api/v1/artifacts?${qs}`, { credentials: "include" });
+      if (!r.ok) throw new Error("failed to load artifacts");
+      return r.json();
+    },
+  });
+
+  const { data: toolsMeta } = useQuery<{ tools: string[] }>({
+    queryKey: ["/api/v1/artifacts/_meta/tools"],
+    queryFn: async () => {
+      const r = await fetch("/api/v1/artifacts/_meta/tools", { credentials: "include" });
+      if (!r.ok) throw new Error("failed to load tool list");
+      return r.json();
+    },
+  });
+
+  const items = data?.items ?? [];
+  const images = items.filter((a) => a.kind === "image");
+  const others = items.filter((a) => a.kind !== "image");
+
+  const togglePublic = async (a: Artifact, next: boolean) => {
+    await apiRequest("PATCH", `/api/v1/artifacts/${a.id}`, { public: next });
+    queryClient.invalidateQueries({ queryKey: ["/api/v1/artifacts"] });
+    if (selected?.id === a.id) setSelected({ ...selected, public: next });
+  };
+
+  return (
+    <div className="flex flex-col h-full overflow-hidden bg-background text-foreground" data-testid="page-archive">
+      <header className="flex flex-wrap items-center gap-3 p-4 border-b border-border">
+        <ArchiveIcon className="w-5 h-5 text-muted-foreground" />
+        <h1 className="text-base font-semibold mr-3" data-testid="text-archive-title">Archive</h1>
+        <div className="flex items-center gap-2 ml-auto flex-wrap">
+          <Select value={kind} onValueChange={setKind}>
+            <SelectTrigger className="w-[140px]" data-testid="select-kind">
+              <SelectValue />
+            </SelectTrigger>
+            <SelectContent>
+              {KIND_OPTIONS.map((k) => (
+                <SelectItem key={k} value={k} data-testid={`option-kind-${k}`}>
+                  {k === "all" ? "All kinds" : k}
+                </SelectItem>
+              ))}
+            </SelectContent>
+          </Select>
+          <Select value={tool} onValueChange={setTool}>
+            <SelectTrigger className="w-[180px]" data-testid="select-tool">
+              <SelectValue />
+            </SelectTrigger>
+            <SelectContent>
+              <SelectItem value="all" data-testid="option-tool-all">All tools</SelectItem>
+              {(toolsMeta?.tools ?? []).map((t) => (
+                <SelectItem key={t} value={t} data-testid={`option-tool-${t}`}>{t}</SelectItem>
+              ))}
+            </SelectContent>
+          </Select>
+          <Select value={range} onValueChange={setRange}>
+            <SelectTrigger className="w-[140px]" data-testid="select-range">
+              <SelectValue />
+            </SelectTrigger>
+            <SelectContent>
+              {RANGE_OPTIONS.map((r) => (
+                <SelectItem key={r.value} value={r.value} data-testid={`option-range-${r.value}`}>{r.label}</SelectItem>
+              ))}
+            </SelectContent>
+          </Select>
+        </div>
+      </header>
+
+      <div className="flex-1 overflow-auto p-4 space-y-6">
+        {isLoading && (
+          <div className="flex items-center justify-center py-10" data-testid="status-loading">
+            <Loader2 className="w-5 h-5 animate-spin text-muted-foreground" />
+          </div>
+        )}
+
+        {!isLoading && items.length === 0 && (
+          <div className="text-sm text-muted-foreground" data-testid="text-empty">
+            No artifacts yet. Generate an image or run a tool that produces files.
+          </div>
+        )}
+
+        {images.length > 0 && (
+          <div>
+            <div className="text-xs uppercase tracking-wide text-muted-foreground mb-2">Images</div>
+            <div className="grid grid-cols-2 sm:grid-cols-3 md:grid-cols-4 gap-3">
+              {images.map((a) => (
+                <Card
+                  key={a.id}
+                  className="overflow-hidden hover-elevate cursor-pointer"
+                  onClick={() => setSelected(a)}
+                  data-testid={`card-artifact-${a.id}`}
+                >
+                  <div className="aspect-square bg-muted">
+                    <img
+                      src={`/api/v1/artifacts/${a.id}/download`}
+                      alt={a.filename}
+                      className="w-full h-full object-cover"
+                      loading="lazy"
+                      data-testid={`img-artifact-${a.id}`}
+                    />
+                  </div>
+                  <div className="p-2 text-[11px] text-muted-foreground flex items-center justify-between gap-2">
+                    <span className="truncate" data-testid={`text-filename-${a.id}`}>{a.filename}</span>
+                    {a.public && <Badge variant="secondary" data-testid={`badge-public-${a.id}`}>public</Badge>}
+                  </div>
+                </Card>
+              ))}
+            </div>
+          </div>
+        )}
+
+        {others.length > 0 && (
+          <div>
+            <div className="text-xs uppercase tracking-wide text-muted-foreground mb-2">Other</div>
+            <div className="space-y-1">
+              {others.map((a) => {
+                const Icon = kindIcon(a.kind);
+                return (
+                  <Card
+                    key={a.id}
+                    className="flex items-center gap-3 p-3 hover-elevate cursor-pointer"
+                    onClick={() => setSelected(a)}
+                    data-testid={`row-artifact-${a.id}`}
+                  >
+                    <Icon className="w-4 h-4 text-muted-foreground flex-shrink-0" />
+                    <div className="flex-1 min-w-0">
+                      <div className="text-sm truncate" data-testid={`text-row-filename-${a.id}`}>{a.filename}</div>
+                      <div className="text-[11px] text-muted-foreground truncate">
+                        {a.tool_name ?? "—"} · {a.kind} · {formatBytes(a.size_bytes)} · {a.created_at?.slice(0, 19).replace("T", " ")}
+                      </div>
+                    </div>
+                    {a.public && <Badge variant="secondary" data-testid={`badge-public-${a.id}`}>public</Badge>}
+                  </Card>
+                );
+              })}
+            </div>
+          </div>
+        )}
+      </div>
+
+      <Dialog open={!!selected} onOpenChange={(o) => !o && setSelected(null)}>
+        <DialogContent className="max-w-2xl max-h-[85vh] overflow-y-auto" data-testid="dialog-artifact-detail">
+          {selected && (
+            <>
+              <DialogHeader>
+                <DialogTitle data-testid="text-detail-filename">{selected.filename}</DialogTitle>
+              </DialogHeader>
+              {selected.kind === "image" && (
+                <img
+                  src={`/api/v1/artifacts/${selected.id}/download`}
+                  alt={selected.filename}
+                  className="w-full max-h-[40vh] object-contain bg-muted rounded-md"
+                  data-testid="img-detail"
+                />
+              )}
+              <div className="text-xs text-muted-foreground space-y-1">
+                <div><span className="font-mono">id:</span> {selected.id}</div>
+                <div><span className="font-mono">kind:</span> {selected.kind}</div>
+                <div><span className="font-mono">tool:</span> {selected.tool_name ?? "—"}</div>
+                <div><span className="font-mono">mime:</span> {selected.mime}</div>
+                <div><span className="font-mono">size:</span> {formatBytes(selected.size_bytes)}</div>
+                <div><span className="font-mono">sha256:</span> <span className="break-all">{selected.sha256}</span></div>
+                <div><span className="font-mono">created:</span> {selected.created_at}</div>
+              </div>
+              <div>
+                <div className="text-xs uppercase tracking-wide text-muted-foreground mb-1">Provenance</div>
+                <pre className="text-[11px] bg-muted p-2 rounded-md overflow-auto max-h-48" data-testid="text-provenance">
+                  {JSON.stringify(selected.provenance ?? {}, null, 2)}
+                </pre>
+              </div>
+              <div className="flex items-center justify-between gap-3 pt-2 flex-wrap">
+                <Button asChild variant="default" data-testid="button-download">
+                  <a href={`/api/v1/artifacts/${selected.id}/download`} download={selected.filename}>
+                    <Download className="w-4 h-4 mr-2" /> Download
+                  </a>
+                </Button>
+                {isAdmin && (
+                  <label className="flex items-center gap-2 text-sm" data-testid="label-public-toggle">
+                    <span>Public</span>
+                    <Switch
+                      checked={selected.public}
+                      onCheckedChange={(v) => togglePublic(selected, v)}
+                      data-testid="switch-public"
+                    />
+                  </label>
+                )}
+              </div>
+            </>
+          )}
+        </DialogContent>
+      </Dialog>
+    </div>
+  );
+}
+// 248:0
diff --git a/package-lock.json b/package-lock.json
index 8dd599562..8ccc09470 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,6 +10,7 @@
       "license": "MIT",
       "dependencies": {
         "@anthropic-ai/sdk": "^0.80.0",
+        "@google-cloud/storage": "^7.19.0",
         "@google/genai": "^1.43.0",
         "@hookform/resolvers": "^3.10.0",
         "@jridgewell/trace-mapping": "^0.3.25",
@@ -50,6 +51,10 @@
         "@types/memoizee": "^0.4.12",
         "@types/multer": "^2.0.0",
         "@types/react-syntax-highlighter": "^15.5.13",
+        "@uppy/aws-s3": "^5.1.0",
+        "@uppy/core": "^5.2.0",
+        "@uppy/dashboard": "^5.1.1",
+        "@uppy/react": "^5.2.0",
         "adm-zip": "^0.5.16",
         "archiver": "^7.0.1",
         "bcryptjs": "^3.0.3",
@@ -1612,6 +1617,99 @@
       "resolved": "https://registry.npmjs.org/@floating-ui/utils/-/utils-0.2.9.tgz",
       "integrity": "sha512-MDWhGtE+eHw5JW7lq4qhc5yRLS11ERl1c7Z6Xd0a58DozHES6EnNNwUWbMiG4J9Cgj053Bhk8zvlhFYKVhULwg=="
     },
+    "node_modules/@google-cloud/paginator": {
+      "version": "5.0.2",
+      "resolved": "https://registry.npmjs.org/@google-cloud/paginator/-/paginator-5.0.2.tgz",
+      "integrity": "sha512-DJS3s0OVH4zFDB1PzjxAsHqJT6sKVbRwwML0ZBP9PbU7Yebtu/7SWMRzvO2J3nUi9pRNITCfu4LJeooM2w4pjg==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "arrify": "^2.0.0",
+        "extend": "^3.0.2"
+      },
+      "engines": {
+        "node": ">=14.0.0"
+      }
+    },
+    "node_modules/@google-cloud/projectify": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/@google-cloud/projectify/-/projectify-4.0.0.tgz",
+      "integrity": "sha512-MmaX6HeSvyPbWGwFq7mXdo0uQZLGBYCwziiLIGq5JVX+/bdI3SAq6bP98trV5eTWfLuvsMcIC1YJOF2vfteLFA==",
+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=14.0.0"
+      }
+    },
+    "node_modules/@google-cloud/promisify": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/@google-cloud/promisify/-/promisify-4.0.0.tgz",
+      "integrity": "sha512-Orxzlfb9c67A15cq2JQEyVc7wEsmFBmHjZWZYQMUyJ1qivXyMwdyNOs9odi79hze+2zqdTtu1E19IM/FtqZ10g==",
+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=14"
+      }
+    },
+    "node_modules/@google-cloud/storage": {
+      "version": "7.19.0",
+      "resolved": "https://registry.npmjs.org/@google-cloud/storage/-/storage-7.19.0.tgz",
+      "integrity": "sha512-n2FjE7NAOYyshogdc7KQOl/VZb4sneqPjWouSyia9CMDdMhRX5+RIbqalNmC7LOLzuLAN89VlF2HvG8na9G+zQ==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@google-cloud/paginator": "^5.0.0",
+        "@google-cloud/projectify": "^4.0.0",
+        "@google-cloud/promisify": "<4.1.0",
+        "abort-controller": "^3.0.0",
+        "async-retry": "^1.3.3",
+        "duplexify": "^4.1.3",
+        "fast-xml-parser": "^5.3.4",
+        "gaxios": "^6.0.2",
+        "google-auth-library": "^9.6.3",
+        "html-entities": "^2.5.2",
+        "mime": "^3.0.0",
+        "p-limit": "^3.0.1",
+        "retry-request": "^7.0.0",
+        "teeny-request": "^9.0.0",
+        "uuid": "^8.0.0"
+      },
+      "engines": {
+        "node": ">=14"
+      }
+    },
+    "node_modules/@google-cloud/storage/node_modules/p-limit": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-3.1.0.tgz",
+      "integrity": "sha512-TYOanM3wGwNGsZN2cVTYPArw454xnXj5qmWF1bEoAc4+cU/ol7GVh7odevjp1FNHduHc3KZMcFduxU5Xc6uJRQ==",
+      "license": "MIT",
+      "dependencies": {
+        "yocto-queue": "^0.1.0"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/@google-cloud/storage/node_modules/uuid": {
+      "version": "8.3.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
+      "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg==",
+      "license": "MIT",
+      "bin": {
+        "uuid": "dist/bin/uuid"
+      }
+    },
+    "node_modules/@google-cloud/storage/node_modules/yocto-queue": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",
+      "integrity": "sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/@google/genai": {
       "version": "1.43.0",
       "resolved": "https://registry.npmjs.org/@google/genai/-/genai-1.43.0.tgz",
@@ -4870,6 +4968,21 @@
         "react": "^18 || ^19"
       }
     },
+    "node_modules/@tootallnate/once": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/@tootallnate/once/-/once-2.0.0.tgz",
+      "integrity": "sha512-XCuKFP5PS55gnMVu3dty8KPatLqUoy/ZYzDzAGCQ8JNFCkLXzmI7vNHCR+XpbZaMWQK/vQubr7PkYq8g470J/A==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 10"
+      }
+    },
+    "node_modules/@transloadit/prettier-bytes": {
+      "version": "0.3.5",
+      "resolved": "https://registry.npmjs.org/@transloadit/prettier-bytes/-/prettier-bytes-0.3.5.tgz",
+      "integrity": "sha512-xF4A3d/ZyX2LJWeQZREZQw+qFX4TGQ8bGVP97OLRt6sPO6T0TNHBFTuRHOJh7RNmYOBmQ9MHxpolD9bXihpuVA==",
+      "license": "MIT"
+    },
     "node_modules/@types/archiver": {
       "version": "7.0.0",
       "resolved": "https://registry.npmjs.org/@types/archiver/-/archiver-7.0.0.tgz",
@@ -4940,6 +5053,12 @@
         "@types/node": "*"
       }
     },
+    "node_modules/@types/caseless": {
+      "version": "0.12.5",
+      "resolved": "https://registry.npmjs.org/@types/caseless/-/caseless-0.12.5.tgz",
+      "integrity": "sha512-hWtVTC2q7hc7xZ/RLbxapMvDMgUnDvKvMOpKal4DrMyfGBUfB1oKaZlIRr6mJL+If3bAP6sV/QneGzF6tJjZDg==",
+      "license": "MIT"
+    },
     "node_modules/@types/connect": {
       "version": "3.4.38",
       "resolved": "https://registry.npmjs.org/@types/connect/-/connect-3.4.38.tgz",
@@ -5218,6 +5337,56 @@
         "@types/node": "*"
       }
     },
+    "node_modules/@types/request": {
+      "version": "2.48.13",
+      "resolved": "https://registry.npmjs.org/@types/request/-/request-2.48.13.tgz",
+      "integrity": "sha512-FGJ6udDNUCjd19pp0Q3iTiDkwhYup7J8hpMW9c4k53NrccQFFWKRho6hvtPPEhnXWKvukfwAlB6DbDz4yhH5Gg==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/caseless": "*",
+        "@types/node": "*",
+        "@types/tough-cookie": "*",
+        "form-data": "^2.5.5"
+      }
+    },
+    "node_modules/@types/request/node_modules/form-data": {
+      "version": "2.5.5",
+      "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.5.5.tgz",
+      "integrity": "sha512-jqdObeR2rxZZbPSGL+3VckHMYtu+f9//KXBsVny6JSX/pa38Fy+bGjuG8eW/H6USNQWhLi8Num++cU2yOCNz4A==",
+      "license": "MIT",
+      "dependencies": {
+        "asynckit": "^0.4.0",
+        "combined-stream": "^1.0.8",
+        "es-set-tostringtag": "^2.1.0",
+        "hasown": "^2.0.2",
+        "mime-types": "^2.1.35",
+        "safe-buffer": "^5.2.1"
+      },
+      "engines": {
+        "node": ">= 0.12"
+      }
+    },
+    "node_modules/@types/request/node_modules/mime-db": {
+      "version": "1.52.0",
+      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz",
+      "integrity": "sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/@types/request/node_modules/mime-types": {
+      "version": "2.1.35",
+      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz",
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         "thenify-all": "^1.0.0"
       }
     },
+    "node_modules/namespace-emitter": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/namespace-emitter/-/namespace-emitter-2.0.1.tgz",
+      "integrity": "sha512-N/sMKHniSDJBjfrkbS/tpkPj4RAbvW3mr8UAzvlMHyun93XEm83IAvhWtJVHo+RHn/oO8Job5YN4b+wRjSVp5g==",
+      "license": "MIT"
+    },
     "node_modules/nanoid": {
       "version": "3.3.11",
       "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.11.tgz",
@@ -10637,6 +11181,28 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/p-queue": {
+      "version": "8.1.1",
+      "resolved": "https://registry.npmjs.org/p-queue/-/p-queue-8.1.1.tgz",
+      "integrity": "sha512-aNZ+VfjobsWryoiPnEApGGmf5WmNsCo9xu8dfaYamG5qaLP7ClhLN6NgsFe6SwJ2UbLEBK5dv9x8Mn5+RVhMWQ==",
+      "license": "MIT",
+      "dependencies": {
+        "eventemitter3": "^5.0.1",
+        "p-timeout": "^6.1.2"
+      },
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/p-queue/node_modules/eventemitter3": {
+      "version": "5.0.4",
+      "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-5.0.4.tgz",
+      "integrity": "sha512-mlsTRyGaPBjPedk6Bvw+aqbsXDtoAyAzm5MO7JgU+yVRyMQ5O8bD4Kcci7BS85f93veegeCPkL8R4GLClnjLFw==",
+      "license": "MIT"
+    },
     "node_modules/p-retry": {
       "version": "7.1.1",
       "resolved": "https://registry.npmjs.org/p-retry/-/p-retry-7.1.1.tgz",
@@ -10652,6 +11218,18 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/p-timeout": {
+      "version": "6.1.4",
+      "resolved": "https://registry.npmjs.org/p-timeout/-/p-timeout-6.1.4.tgz",
+      "integrity": "sha512-MyIV3ZA/PmyBN/ud8vV9XzwTrNtR4jFrObymZYnZqMmW0zA8Z17vnT0rBgFE/TlohB+YCHqXMgZzb3Csp49vqg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=14.16"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/package-json-from-dist": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/package-json-from-dist/-/package-json-from-dist-1.0.1.tgz",
@@ -11200,6 +11778,28 @@
       "devOptional": true,
       "license": "MIT"
     },
+    "node_modules/preact": {
+      "version": "10.29.1",
+      "resolved": "https://registry.npmjs.org/preact/-/preact-10.29.1.tgz",
+      "integrity": "sha512-gQCLc/vWroE8lIpleXtdJhTFDogTdZG9AjMUpVkDf2iTCNwYNWA+u16dL41TqUDJO4gm2IgrcMv3uTpjd4Pwmg==",
+      "license": "MIT",
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/preact"
+      }
+    },
+    "node_modules/pretty-bytes": {
+      "version": "6.1.1",
+      "resolved": "https://registry.npmjs.org/pretty-bytes/-/pretty-bytes-6.1.1.tgz",
+      "integrity": "sha512-mQUvGU6aUFQ+rNvTIAcZuWGRT9a6f6Yrg9bHs4ImKF+HZCEK+plBvnAZYSIQztknZF2qnzNtr6F8s0+IuptdlQ==",
+      "license": "MIT",
+      "engines": {
+        "node": "^14.13.1 || >=16.0.0"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/prismjs": {
       "version": "1.30.0",
       "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.30.0.tgz",
@@ -11809,6 +12409,20 @@
         "node": ">= 4"
       }
     },
+    "node_modules/retry-request": {
+      "version": "7.0.2",
+      "resolved": "https://registry.npmjs.org/retry-request/-/retry-request-7.0.2.tgz",
+      "integrity": "sha512-dUOvLMJ0/JJYEn8NrpOaGNE7X3vpI5XlZS/u0ANjqtcZVKnIxP7IgCFwrKTxENw29emmwug53awKtaMm4i9g5w==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/request": "^2.48.8",
+        "extend": "^3.0.2",
+        "teeny-request": "^9.0.0"
+      },
+      "engines": {
+        "node": ">=14"
+      }
+    },
     "node_modules/reusify": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/reusify/-/reusify-1.0.4.tgz",
@@ -12048,6 +12662,12 @@
       "integrity": "sha512-E5LDX7Wrp85Kil5bhZv46j8jOeboKq5JMmYM3gVGdGH8xFpPWXUMsNrlODCrkoxMEeNi/XZIwuRvY4XNwYMJpw==",
       "license": "ISC"
     },
+    "node_modules/shallow-equal": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/shallow-equal/-/shallow-equal-3.1.0.tgz",
+      "integrity": "sha512-pfVOw8QZIXpMbhBWvzBISicvToTiM5WBF1EeAUZDDSb5Dt29yl4AYbyywbJFSEsRUMr7gJaxqCdr4L3tQf9wVg==",
+      "license": "MIT"
+    },
     "node_modules/shebang-command": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz",
@@ -12199,6 +12819,21 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/stream-events": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/stream-events/-/stream-events-1.0.5.tgz",
+      "integrity": "sha512-E1GUzBSgvct8Jsb3v2X15pjzN1tYebtbLaMg+eBOUOAxgbLoSbT2NS91ckc5lJD1KfLjId+jXJRgo0qnV5Nerg==",
+      "license": "MIT",
+      "dependencies": {
+        "stubs": "^3.0.0"
+      }
+    },
+    "node_modules/stream-shift": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/stream-shift/-/stream-shift-1.0.3.tgz",
+      "integrity": "sha512-76ORR0DO1o1hlKwTbi/DM3EXWGf3ZJYO8cXX5RJwnul2DEg2oyoZyjLNoQM8WsvZiFKCRfC1O0J7iCvie3RZmQ==",
+      "license": "MIT"
+    },
     "node_modules/streamsearch": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/streamsearch/-/streamsearch-1.1.0.tgz",
@@ -12383,6 +13018,12 @@
       ],
       "license": "MIT"
     },
+    "node_modules/stubs": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/stubs/-/stubs-3.0.0.tgz",
+      "integrity": "sha512-PdHt7hHUJKxvTCgbKX9C1V/ftOcjJQgz8BZwNfV5c4B6dcGqlpelTbJ999jBGZ2jYiPAwcX5dP6oBwVlBlUbxw==",
+      "license": "MIT"
+    },
     "node_modules/style-to-js": {
       "version": "1.1.21",
       "resolved": "https://registry.npmjs.org/style-to-js/-/style-to-js-1.1.21.tgz",
@@ -12528,6 +13169,47 @@
         }
       }
     },
+    "node_modules/teeny-request": {
+      "version": "9.0.0",
+      "resolved": "https://registry.npmjs.org/teeny-request/-/teeny-request-9.0.0.tgz",
+      "integrity": "sha512-resvxdc6Mgb7YEThw6G6bExlXKkv6+YbuzGg9xuXxSgxJF7Ozs+o8Y9+2R3sArdWdW8nOokoQb1yrpFB0pQK2g==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "http-proxy-agent": "^5.0.0",
+        "https-proxy-agent": "^5.0.0",
+        "node-fetch": "^2.6.9",
+        "stream-events": "^1.0.5",
+        "uuid": "^9.0.0"
+      },
+      "engines": {
+        "node": ">=14"
+      }
+    },
+    "node_modules/teeny-request/node_modules/agent-base": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-6.0.2.tgz",
+      "integrity": "sha512-RZNwNclF7+MS/8bDg70amg32dyeZGZxiDuQmZxKLAlQjr3jGyLx+4Kkk58UO7D2QdgFIQCovuSuZESne6RG6XQ==",
+      "license": "MIT",
+      "dependencies": {
+        "debug": "4"
+      },
+      "engines": {
+        "node": ">= 6.0.0"
+      }
+    },
+    "node_modules/teeny-request/node_modules/https-proxy-agent": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-5.0.1.tgz",
+      "integrity": "sha512-dFcAjpTQFgoLMzC2VwU+C/CbS7uRL0lWmxDITmqm7C+7F0Odmj6s9l6alZc6AELXhrnggM2CeWSXHGOdX2YtwA==",
+      "license": "MIT",
+      "dependencies": {
+        "agent-base": "6",
+        "debug": "4"
+      },
+      "engines": {
+        "node": ">= 6"
+      }
+    },
     "node_modules/teex": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/teex/-/teex-1.0.1.tgz",
@@ -12980,12 +13662,12 @@
       }
     },
     "node_modules/use-sync-external-store": {
-      "version": "1.2.2",
-      "resolved": "https://registry.npmjs.org/use-sync-external-store/-/use-sync-external-store-1.2.2.tgz",
-      "integrity": "sha512-PElTlVMwpblvbNqQ82d2n6RjStvdSoNe9FG28kNfz3WiXilJm4DdNkEzRhCZuIDwY8U08WVihhGR5iRqAwfDiw==",
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/use-sync-external-store/-/use-sync-external-store-1.6.0.tgz",
+      "integrity": "sha512-Pp6GSwGP/NrPIrxVFAIkOQeyw8lFenOHijQWkUTrDvrF4ALqylP2C/KCkeS9dpUM3KvYRQhna5vt7IL95+ZQ9w==",
       "license": "MIT",
       "peerDependencies": {
-        "react": "^16.8.0 || ^17.0.0 || ^18.0.0"
+        "react": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0"
       }
     },
     "node_modules/util-deprecate": {
@@ -13708,6 +14390,12 @@
         "node": ">= 8"
       }
     },
+    "node_modules/wildcard": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/wildcard/-/wildcard-1.1.2.tgz",
+      "integrity": "sha512-DXukZJxpHA8LuotRwL0pP1+rS6CS7FF2qStDDE1C7DDg2rLud2PXRMuEDYIPhgEezwnlHNL4c+N6MfMTjCGTng==",
+      "license": "MIT"
+    },
     "node_modules/wouter": {
       "version": "3.3.5",
       "resolved": "https://registry.npmjs.org/wouter/-/wouter-3.3.5.tgz",
diff --git a/package.json b/package.json
index 23e8c110d..258426fb3 100644
--- a/package.json
+++ b/package.json
@@ -12,6 +12,7 @@
   },
   "dependencies": {
     "@anthropic-ai/sdk": "^0.80.0",
+    "@google-cloud/storage": "^7.19.0",
     "@google/genai": "^1.43.0",
     "@hookform/resolvers": "^3.10.0",
     "@jridgewell/trace-mapping": "^0.3.25",
@@ -52,6 +53,10 @@
     "@types/memoizee": "^0.4.12",
     "@types/multer": "^2.0.0",
     "@types/react-syntax-highlighter": "^15.5.13",
+    "@uppy/aws-s3": "^5.1.0",
+    "@uppy/core": "^5.2.0",
+    "@uppy/dashboard": "^5.1.1",
+    "@uppy/react": "^5.2.0",
     "adm-zip": "^0.5.16",
     "archiver": "^7.0.1",
     "bcryptjs": "^3.0.3",
diff --git a/pyproject.toml b/pyproject.toml
index 8b413b388..57994ccc0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,6 +23,7 @@ dependencies = [
     "pydantic>=2.12.5",
     "pyjwt[crypto]>=2.10.1",
     "python-multipart>=0.0.22",
+    "replit-object-storage>=1.0.2",
     "sqlalchemy>=2.0.48",
     "stripe>=15.0.1",
     "uvicorn[standard]>=0.42.0",
diff --git a/python/routes/__init__.py b/python/routes/__init__.py
index b18d52987..cce58868e 100644
--- a/python/routes/__init__.py
+++ b/python/routes/__init__.py
@@ -1,4 +1,4 @@
-# 153:4
+# 157:4
 from .chat import router as chat_router
 from .agents import router as agents_router
 from .memory import router as memory_router
@@ -25,6 +25,7 @@
 from .forge import router as forge_router
 from .energy import router as energy_router, pcna_router as energy_pcna_router
 from .liminals import router as liminals_router
+from .artifacts import router as artifacts_router
 
 ALL_ROUTERS = [
     chat_router,
@@ -55,6 +56,7 @@
     energy_router,
     energy_pcna_router,
     liminals_router,
+    artifacts_router,
 ]
 
 
@@ -82,6 +84,7 @@ def collect_ui_meta() -> list[dict]:
         "python.routes.cli",
         "python.routes.forge",
         "python.routes.liminals",
+        "python.routes.artifacts",
     ]
     tabs = []
     for mod_name in modules:
@@ -155,6 +158,7 @@ def collect_doc_meta() -> list[dict]:
         "billing.py", "contexts.py", "openai_api.py",
         "zfae_api.py", "approval_scopes.py", "ws_modules.py", "docs.py",
         "sigma_api.py", "editable_schema.py", "cli.py", "forge.py",
+        "artifacts.py",
     ]
     results: list[dict] = []
     for fname in route_files:
@@ -168,4 +172,4 @@ def collect_doc_meta() -> list[dict]:
             results.append(meta)
     results.sort(key=lambda d: d.get("label", ""))
     return results
-# 153:4
+# 157:4
diff --git a/python/routes/artifacts.py b/python/routes/artifacts.py
new file mode 100644
index 000000000..4d5683f03
--- /dev/null
+++ b/python/routes/artifacts.py
@@ -0,0 +1,137 @@
+# 98:12
+"""HTTP API for the unified artifacts archive."""
+from typing import Any, Optional
+import datetime as _dt
+
+from fastapi import APIRouter, HTTPException, Request, Query
+from fastapi.responses import RedirectResponse, Response
+from pydantic import BaseModel, ConfigDict
+
+from ..services import artifacts as _A
+
+# DOC module: artifacts
+# DOC label: Archive
+# DOC description: Unified archive of every file a0 produces (images, reports, evidence). Backed by Replit Object Storage with sha256 dedupe and full provenance.
+# DOC tier: free
+# DOC endpoint: GET /api/v1/artifacts | List artifacts with filters (kind, tool, since)
+# DOC endpoint: GET /api/v1/artifacts/{id} | Fetch a single artifact + provenance
+# DOC endpoint: GET /api/v1/artifacts/{id}/download | Stream the artifact bytes
+# DOC endpoint: PATCH /api/v1/artifacts/{id} | Admin-only: flip the public flag
+# DOC endpoint: GET /api/v1/artifacts/_meta/tools | Distinct tool_name values for filter UI
+
+UI_META = {
+    "tab_id": "artifacts",
+    "label": "Archive",
+    "icon": "Archive",
+    "order": 12,
+    "sections": [],
+}
+
+DATA_SCHEMA = {
+    "endpoints": [
+        {"method": "GET", "path": "/api/v1/artifacts"},
+        {"method": "GET", "path": "/api/v1/artifacts/{id}"},
+        {"method": "GET", "path": "/api/v1/artifacts/{id}/download"},
+        {"method": "PATCH", "path": "/api/v1/artifacts/{id}"},
+    ],
+}
+
+router = APIRouter(prefix="/api/v1/artifacts", tags=["artifacts"])
+
+_RANGE_MAP = {"24h": 1, "7d": 7, "30d": 30}
+
+
+def _is_admin(req: Request) -> bool:
+    return (req.headers.get("x-user-role") or "").strip().lower() == "admin"
+
+
+def _require_uid(req: Request) -> str:
+    uid = (req.headers.get("x-user-id") or "").strip()
+    if not uid:
+        raise HTTPException(status_code=401, detail="Authentication required")
+    return uid
+
+
+def _serialize(row: dict) -> dict:
+    out = dict(row)
+    ca = out.get("created_at")
+    if isinstance(ca, _dt.datetime):
+        out["created_at"] = ca.isoformat()
+    out["id"] = str(out["id"])
+    return out
+
+
+@router.get("")
+async def list_artifacts(
+    kind: Optional[str] = None,
+    tool: Optional[str] = None,
+    range_: Optional[str] = Query(None, alias="range"),
+    limit: int = 50,
+    offset: int = 0,
+):
+    limit = max(1, min(200, int(limit)))
+    offset = max(0, int(offset))
+    since: _dt.datetime | None = None
+    if range_ and range_ in _RANGE_MAP:
+        since = _dt.datetime.utcnow() - _dt.timedelta(days=_RANGE_MAP[range_])
+    rows = await _A.list_artifacts(
+        kind=kind, tool_name=tool, since=since, limit=limit, offset=offset,
+    )
+    return {"items": [_serialize(r) for r in rows], "limit": limit, "offset": offset}
+
+
+@router.get("/_meta/tools")
+async def list_tools():
+    return {"tools": await _A.distinct_tool_names()}
+
+
+@router.get("/{artifact_id}")
+async def get_artifact(artifact_id: str):
+    row = await _A._fetch_row(artifact_id)
+    if not row:
+        raise HTTPException(status_code=404, detail="artifact not found")
+    return _serialize(row)
+
+
+@router.get("/{artifact_id}/download")
+async def download_artifact(artifact_id: str, request: Request):
+    row = await _A._fetch_row(artifact_id)
+    if not row:
+        raise HTTPException(status_code=404, detail="artifact not found")
+    if row.get("public"):
+        try:
+            url = await _A.get_artifact_signed_url(artifact_id, ttl_seconds=900)
+            return RedirectResponse(url=url, status_code=302)
+        except Exception:
+            # Fall through to streaming proxy below — public + signed-url
+            # failure is recoverable; we still know the bytes are public.
+            pass
+    else:
+        _require_uid(request)
+    data = await _A.get_artifact_bytes(artifact_id)
+    return Response(
+        content=data,
+        media_type=row["mime"] or "application/octet-stream",
+        headers={
+            "Content-Disposition": f'inline; filename="{row["filename"]}"',
+            "Cache-Control": "private, max-age=3600",
+        },
+    )
+
+
+class PatchArtifact(BaseModel):
+    model_config = ConfigDict(extra="forbid")
+    public: Optional[bool] = None
+
+
+@router.patch("/{artifact_id}")
+async def patch_artifact(artifact_id: str, body: PatchArtifact, request: Request):
+    if not _is_admin(request):
+        raise HTTPException(status_code=403, detail="admin only")
+    if body.public is None:
+        raise HTTPException(status_code=400, detail="no fields to update")
+    row = await _A.set_public(artifact_id, body.public)
+    if not row:
+        raise HTTPException(status_code=404, detail="artifact not found")
+    return _serialize(row)
+# 98:12
diff --git a/python/scripts/__init__.py b/python/scripts/__init__.py
new file mode 100644
index 000000000..ff775cbb4
--- /dev/null
+++ b/python/scripts/__init__.py
@@ -0,0 +1,2 @@
+# 0:0
+# 0:0
diff --git a/python/scripts/backfill_generated_images.py b/python/scripts/backfill_generated_images.py
new file mode 100644
index 000000000..26eb2c621
--- /dev/null
+++ b/python/scripts/backfill_generated_images.py
@@ -0,0 +1,94 @@
+# 71:8
+"""One-shot backfill: copy every generated_images row into the new artifacts
+table, preserving created_at. Idempotent (sha256 dedupe). Surfaces every
+failure explicitly — never a silent skip.
+
+Run from the project root:
+    uv run python -m python.scripts.backfill_generated_images
+"""
+import asyncio
+import os
+import sys
+
+from sqlalchemy import text
+
+from python.database import get_session
+from python.services import artifacts as _A
+
+
+_SEARCH_ROOTS = ["uploads", "attached_assets"]
+
+
+def _find_local_bytes(storage_url: str) -> bytes | None:
+    """generated_images.storage_url is typically /uploads/<file>. Try that
+    first, then a couple of likely fallbacks. Returns None if not found."""
+    if not storage_url:
+        return None
+    name = storage_url.lstrip("/")
+    candidates: list[str] = [name]
+    base = os.path.basename(name)
+    for root in _SEARCH_ROOTS:
+        candidates.append(os.path.join(root, base))
+    for path in candidates:
+        if path and os.path.isfile(path):
+            with open(path, "rb") as fh:
+                return fh.read()
+    return None
+
+
+async def _all_generated_images() -> list[dict]:
+    async with get_session() as s:
+        r = await s.execute(text(
+            "SELECT id, owner_user_id, prompt, model, aspect_ratio, "
+            "storage_url, bytes, created_at FROM generated_images "
+            "ORDER BY id"
+        ))
+        return [dict(row) for row in r.mappings().all()]
+
+
+async def main() -> int:
+    rows = await _all_generated_images()
+    print(f"backfill: found {len(rows)} generated_images rows")
+    backfilled = 0
+    deduped = 0
+    failed: list[tuple[int, str]] = []
+    for row in rows:
+        gid = row["id"]
+        url = row.get("storage_url") or ""
+        try:
+            data = _find_local_bytes(url)
+            if data is None:
+                raise FileNotFoundError(f"local bytes not found for {url!r}")
+            filename = os.path.basename(url) or f"genimage_{gid}.png"
+            rec = await _A.archive_artifact(
+                data=data,
+                kind="image",
+                tool_name="image_generate",
+                filename=filename,
+                mime="image/png",
+                provenance={
+                    "prompt": row.get("prompt"),
+                    "model": row.get("model"),
+                    "aspect_ratio": row.get("aspect_ratio"),
+                    "owner_user_id": row.get("owner_user_id"),
+                    "backfilled_from": "generated_images",
+                    "legacy_id": gid,
+                },
+                public=False,
+                created_at=row.get("created_at"),
+            )
+            if rec.get("deduped"):
+                deduped += 1
+            else:
+                backfilled += 1
+        except Exception as e:
+            failed.append((gid, f"{type(e).__name__}: {e}"))
+    print(f"backfill: {backfilled} backfilled, {deduped} deduped, {len(failed)} failed")
+    for gid, reason in failed:
+        print(f"  FAILED id={gid}: {reason}")
+    return 0 if not failed else 1
+
+
+if __name__ == "__main__":
+    sys.exit(asyncio.run(main()))
+# 71:8
diff --git a/python/services/artifacts.py b/python/services/artifacts.py
new file mode 100644
index 000000000..165681044
--- /dev/null
+++ b/python/services/artifacts.py
@@ -0,0 +1,273 @@
+# 206:26
+"""Unified artifacts archive — Replit Object Storage backed.
+
+Every byte stream a0 produces (images, reports, evidence files, generated
+code) lands here automatically through the dispatcher's `produces` wrapper
+in python/services/tools/__init__.py.
+
+Storage layout:
+    artifacts/<kind>/<yyyy>/<mm>/<dd>/<sha256_first16>_<filename>
+
+Dedupe: if a row already exists with the same sha256, no re-upload happens
+and the existing row is returned. Per-user doctrine: every error raises
+explicitly — no silent fallbacks, no "best effort" writes.
+
+Bucket comes from DEFAULT_OBJECT_STORAGE_BUCKET_ID (set automatically by
+`setup_object_storage`). REPLIT_OBJECT_STORAGE_BUCKET_ID is also accepted
+as an alias for forward-compat with future skill versions.
+"""
+import asyncio
+import datetime as _dt
+import hashlib
+import os
+from typing import Any
+
+from sqlalchemy import text
+
+from ..database import get_session
+
+
+def _bucket_id() -> str:
+    bid = (
+        os.environ.get("DEFAULT_OBJECT_STORAGE_BUCKET_ID")
+        or os.environ.get("REPLIT_OBJECT_STORAGE_BUCKET_ID")
+    )
+    if not bid:
+        raise RuntimeError(
+            "artifacts: object storage not configured. Set "
+            "DEFAULT_OBJECT_STORAGE_BUCKET_ID (created via Replit "
+            "'Object Storage' tool / setup_object_storage tool)."
+        )
+    return bid
+
+
+def _client():
+    """Construct a Replit Object Storage client. Imported lazily so that
+    the test suite can monkeypatch this function without requiring the
+    SDK at import time."""
+    from replit.object_storage import Client as _RClient
+    return _RClient(bucket_id=_bucket_id())
+
+
+def _storage_key(kind: str, sha: str, filename: str) -> str:
+    today = _dt.datetime.utcnow()
+    safe = "".join(c if c.isalnum() or c in "._-" else "_" for c in filename) or "blob"
+    return f"artifacts/{kind}/{today:%Y/%m/%d}/{sha[:16]}_{safe}"
+
+
+async def _find_by_sha(sha: str) -> dict | None:
+    async with get_session() as s:
+        r = await s.execute(
+            text(
+                "SELECT id, storage_path, sha256, size_bytes, public "
+                "FROM artifacts WHERE sha256 = :sha LIMIT 1"
+            ),
+            {"sha": sha},
+        )
+        row = r.mappings().first()
+        return dict(row) if row else None
+
+
+async def _insert_row(
+    *,
+    kind: str,
+    tool_name: str | None,
+    agent_run_id: str | None,
+    storage_path: str,
+    filename: str,
+    mime: str,
+    size_bytes: int,
+    sha256: str,
+    provenance: dict,
+    public: bool,
+    created_at: _dt.datetime | None = None,
+) -> str:
+    """Insert and return the new row id. created_at is server-default unless
+    explicitly provided (used by backfill to preserve original timestamps)."""
+    import json as _json
+    cols = [
+        "kind", "tool_name", "agent_run_id", "storage_path", "filename",
+        "mime", "size_bytes", "sha256", "provenance", "public",
+    ]
+    params: dict[str, Any] = {
+        "kind": kind, "tool_name": tool_name, "agent_run_id": agent_run_id,
+        "storage_path": storage_path, "filename": filename, "mime": mime,
+        "size_bytes": size_bytes, "sha256": sha256,
+        "provenance": _json.dumps(provenance or {}),
+        "public": public,
+    }
+    placeholders = [
+        ":kind", ":tool_name", ":agent_run_id", ":storage_path", ":filename",
+        ":mime", ":size_bytes", ":sha256", "CAST(:provenance AS jsonb)", ":public",
+    ]
+    if created_at is not None:
+        cols.append("created_at")
+        placeholders.append(":created_at")
+        params["created_at"] = created_at
+    sql = (
+        f"INSERT INTO artifacts ({', '.join(cols)}) "
+        f"VALUES ({', '.join(placeholders)}) RETURNING id"
+    )
+    async with get_session() as s:
+        r = await s.execute(text(sql), params)
+        new_id = r.scalar_one()
+        return str(new_id)
+
+
+async def archive_artifact(
+    data: bytes,
+    kind: str,
+    tool_name: str | None,
+    filename: str,
+    mime: str,
+    provenance: dict,
+    agent_run_id: str | None = None,
+    public: bool = False,
+    created_at: _dt.datetime | None = None,
+) -> dict:
+    """Archive `data` to Object Storage + insert artifacts row.
+
+    Returns {id, storage_path, public_url, sha256, size_bytes}.
+    Dedupes by sha256: if a row exists, return it without re-upload.
+    """
+    if not isinstance(data, (bytes, bytearray)):
+        raise TypeError("archive_artifact: data must be bytes")
+    if not data:
+        raise ValueError("archive_artifact: data is empty")
+    sha = hashlib.sha256(data).hexdigest()
+    existing = await _find_by_sha(sha)
+    if existing:
+        return {
+            "id": str(existing["id"]),
+            "storage_path": existing["storage_path"],
+            "public_url": _public_url(existing["storage_path"]) if existing.get("public") else None,
+            "sha256": sha,
+            "size_bytes": existing["size_bytes"],
+            "deduped": True,
+        }
+    key = _storage_key(kind, sha, filename)
+    client = _client()
+
+    def _upload():
+        client.upload_from_bytes(key, bytes(data))
+
+    await asyncio.to_thread(_upload)
+    new_id = await _insert_row(
+        kind=kind, tool_name=tool_name, agent_run_id=agent_run_id,
+        storage_path=key, filename=filename, mime=mime,
+        size_bytes=len(data), sha256=sha, provenance=provenance or {},
+        public=public, created_at=created_at,
+    )
+    return {
+        "id": new_id,
+        "storage_path": key,
+        "public_url": _public_url(key) if public else None,
+        "sha256": sha,
+        "size_bytes": len(data),
+        "deduped": False,
+    }
+
+
+def _public_url(storage_path: str) -> str:
+    """Server-relative URL the Express layer proxies into the bucket."""
+    return f"/api/v1/artifacts/by-path/{storage_path}"
+
+
+async def _fetch_row(artifact_id: str) -> dict | None:
+    async with get_session() as s:
+        r = await s.execute(
+            text(
+                "SELECT id, kind, tool_name, agent_run_id, storage_path, "
+                "filename, mime, size_bytes, sha256, provenance, public, "
+                "created_at FROM artifacts WHERE id = :id"
+            ),
+            {"id": artifact_id},
+        )
+        row = r.mappings().first()
+        return dict(row) if row else None
+
+
+async def get_artifact_bytes(artifact_id: str) -> bytes:
+    row = await _fetch_row(artifact_id)
+    if not row:
+        raise KeyError(f"artifact {artifact_id!r} not found")
+    client = _client()
+
+    def _dl() -> bytes:
+        return client.download_as_bytes(row["storage_path"])
+
+    return await asyncio.to_thread(_dl)
+
+
+async def get_artifact_signed_url(artifact_id: str, ttl_seconds: int = 900) -> str:
+    """Return a short-lived GCS signed URL. Raises if the underlying SDK
+    does not expose a signing path (the Replit object-storage client wraps
+    google-cloud-storage internally — we reach through to the GCS handle)."""
+    row = await _fetch_row(artifact_id)
+    if not row:
+        raise KeyError(f"artifact {artifact_id!r} not found")
+    client = _client()
+    bucket_handle = client._Client__get_bucket_handle()  # noqa: SLF001
+    blob = bucket_handle.blob(row["storage_path"])
+
+    def _sign() -> str:
+        from datetime import timedelta as _td
+        return blob.generate_signed_url(
+            version="v4",
+            expiration=_td(seconds=ttl_seconds),
+            method="GET",
+        )
+
+    return await asyncio.to_thread(_sign)
+
+
+async def list_artifacts(
+    *,
+    kind: str | None = None,
+    tool_name: str | None = None,
+    since: _dt.datetime | None = None,
+    limit: int = 50,
+    offset: int = 0,
+) -> list[dict]:
+    where: list[str] = []
+    params: dict[str, Any] = {"limit": limit, "offset": offset}
+    if kind:
+        where.append("kind = :kind")
+        params["kind"] = kind
+    if tool_name:
+        where.append("tool_name = :tool_name")
+        params["tool_name"] = tool_name
+    if since:
+        where.append("created_at >= :since")
+        params["since"] = since
+    where_sql = ("WHERE " + " AND ".join(where)) if where else ""
+    sql = (
+        "SELECT id, kind, tool_name, agent_run_id, storage_path, filename, "
+        "mime, size_bytes, sha256, provenance, public, created_at "
+        f"FROM artifacts {where_sql} ORDER BY created_at DESC NULLS LAST "
+        "LIMIT :limit OFFSET :offset"
+    )
+    async with get_session() as s:
+        r = await s.execute(text(sql), params)
+        return [dict(row) for row in r.mappings().all()]
+
+
+async def distinct_tool_names() -> list[str]:
+    async with get_session() as s:
+        r = await s.execute(
+            text(
+                "SELECT DISTINCT tool_name FROM artifacts "
+                "WHERE tool_name IS NOT NULL ORDER BY tool_name"
+            )
+        )
+        return [row[0] for row in r.fetchall()]
+
+
+async def set_public(artifact_id: str, public: bool) -> dict | None:
+    async with get_session() as s:
+        await s.execute(
+            text("UPDATE artifacts SET public = :p WHERE id = :id"),
+            {"p": public, "id": artifact_id},
+        )
+    return await _fetch_row(artifact_id)
+# 206:26
diff --git a/python/services/tools/__init__.py b/python/services/tools/__init__.py
index f2cb57ffd..df67fd1b1 100644
--- a/python/services/tools/__init__.py
+++ b/python/services/tools/__init__.py
@@ -1,4 +1,4 @@
-# 73:13
+# 103:31
 """Tool registry — self-declaring per-tool modules.
 
 Discovery is filesystem-based: every `*.py` sibling that exports both a
@@ -127,9 +127,26 @@ def tool_schemas_chat() -> list[dict]:
 
 
 async def dispatch(name: str, **kwargs) -> Any:
-    """Resolve a tool by name and await its handler. Raises KeyError if unknown."""
+    """Resolve a tool by name and await its handler. Raises KeyError if unknown.
+
+    If the tool's SCHEMA declares a top-level "produces" key, the handler's
+    return value is auto-archived through python.services.artifacts and the
+    user-visible result is replaced with a compact {artifacts: [...], count}
+    summary. The handler must return either:
+      * dict with keys {data: bytes, filename, mime, provenance} (single), or
+      * list[dict] of the above (multi-artifact tools).
+    Anything else raises — no silent passthrough, per the no-silent-fallback
+    doctrine. Tools without "produces" pass through unchanged.
+    """
     reg = registry()
     if name not in reg:
         raise KeyError(name)
-    return await reg[name].handle(**kwargs)
-# 73:13
+    spec = reg[name]
+    result = await spec.handle(**kwargs)
+    produces = spec.schema.get("produces")
+    if not produces:
+        return result
+    from . import _archive_wrap
+    return await _archive_wrap.wrap(result, tool_name=name, produces=produces,
+                                    agent_run_id=kwargs.get("_agent_run_id"))
+# 103:31
diff --git a/python/services/tools/_archive_wrap.py b/python/services/tools/_archive_wrap.py
new file mode 100644
index 000000000..1646f1637
--- /dev/null
+++ b/python/services/tools/_archive_wrap.py
@@ -0,0 +1,83 @@
+# 62:10
+"""Auto-archive wrapper for tools that declare a `produces` SCHEMA key.
+
+Filename starts with underscore so the tool discovery scanner in this
+package's __init__.py skips it (it is not itself a tool — it wraps tools).
+
+Contract for tool handlers under "produces":
+    handle(...) returns either:
+      * dict with keys {data: bytes, filename: str, mime: str, provenance: dict}
+      * list[dict] of the above (multi-artifact tools)
+Anything else raises TypeError. Per the no-silent-fallback doctrine, we
+fail loudly so the model sees the wrong shape.
+"""
+from typing import Any
+import fnmatch
+
+from ..artifacts import archive_artifact
+
+
+def _validate_item(item: Any) -> dict:
+    if not isinstance(item, dict):
+        raise TypeError(
+            f"tool produced non-dict artifact item: {type(item).__name__}"
+        )
+    for required in ("data", "filename", "mime"):
+        if required not in item:
+            raise KeyError(f"artifact item missing required key: {required!r}")
+    if not isinstance(item["data"], (bytes, bytearray)):
+        raise TypeError("artifact item 'data' must be bytes")
+    return item
+
+
+async def wrap(
+    result: Any,
+    *,
+    tool_name: str,
+    produces: dict,
+    agent_run_id: str | None = None,
+) -> dict:
+    if isinstance(result, dict) and "data" in result:
+        items = [result]
+    elif isinstance(result, list):
+        items = list(result)
+    else:
+        raise TypeError(
+            f"tool {tool_name!r} declares 'produces' but returned "
+            f"{type(result).__name__}; expected dict or list[dict]"
+        )
+
+    declared_kind = produces.get("kind", "binary")
+    pattern = produces.get("mime_pattern")
+
+    archived: list[dict] = []
+    for raw in items:
+        item = _validate_item(raw)
+        mime = item["mime"]
+        if pattern and not fnmatch.fnmatch(mime, pattern):
+            raise ValueError(
+                f"tool {tool_name!r} produced mime={mime!r} which does not "
+                f"match declared pattern {pattern!r}"
+            )
+        kind = item.get("kind", declared_kind)
+        rec = await archive_artifact(
+            data=bytes(item["data"]),
+            kind=kind,
+            tool_name=tool_name,
+            filename=item["filename"],
+            mime=mime,
+            provenance=item.get("provenance") or {},
+            agent_run_id=agent_run_id,
+            public=bool(item.get("public", False)),
+        )
+        archived.append({
+            "id": rec["id"],
+            "url": f"/api/v1/artifacts/{rec['id']}/download",
+            "kind": kind,
+            "mime": mime,
+            "filename": item["filename"],
+            "sha256": rec["sha256"],
+            "size_bytes": rec["size_bytes"],
+        })
+    return {"artifacts": archived, "count": len(archived)}
+# 62:10
diff --git a/python/services/tools/image_generate.py b/python/services/tools/image_generate.py
index a9ce6df00..d3c18906c 100644
--- a/python/services/tools/image_generate.py
+++ b/python/services/tools/image_generate.py
@@ -1,6 +1,5 @@
-# 103:3
-"""image_generate — Google Imagen image generation, persisted under uploads/."""
-import json
+# 90:4
+"""image_generate — Google Imagen image generation, archived through artifacts."""
 import os
 
 SCHEMA = {
@@ -9,8 +8,8 @@
         "name": "image_generate",
         "description": (
             "Generate a new image from a text prompt using Google Imagen. "
-            "Returns {id, storage_url, prompt, aspect_ratio} pointing at a "
-            "PNG saved under uploads/ that you can reference back in your reply. "
+            "The PNG is auto-archived through the artifacts module; you'll "
+            "receive {artifacts: [{id, url, kind, ...}], count: 1}. "
             "Use for infographics, illustrations, diagrams, or any visual the "
             "user requested. Fails explicitly on provider error — no silent fallbacks."
         ),
@@ -40,17 +39,19 @@
     "enabled": True,
     "category": "media",
     "cost_hint": "high",
-    "side_effects": ["filesystem", "network", "billing"],
-    "version": 1,
+    "side_effects": ["network", "billing"],
+    "version": 2,
+    # Auto-archive into the artifacts table via dispatcher wrapper.
+    "produces": {"kind": "image", "mime_pattern": "image/*"},
 }
 
 _IMAGE_MODEL = "imagen-3.0-generate-002"
 _VALID_RATIOS = {"1:1", "16:9", "9:16", "4:3", "3:4"}
 
 
-async def handle(prompt: str = "", aspect_ratio: str = "1:1", style_hint: str | None = None, **_) -> str:
-    """Fails explicitly (raises) on provider error per a0 doctrine — the model
-    needs to see the failure rather than receive a silent fallback."""
+async def handle(prompt: str = "", aspect_ratio: str = "1:1", style_hint: str | None = None, **_) -> dict:
+    """Returns {data, filename, mime, provenance} — the dispatcher's archive
+    wrapper picks this up via SCHEMA["produces"] and persists to Object Storage."""
     prompt = (prompt or "").strip()
     if not prompt:
         raise ValueError("image_generate: prompt is required")
@@ -88,32 +89,17 @@ def _gen() -> bytes:
 
     import asyncio as _asyncio
     img_bytes = await _asyncio.to_thread(_gen)
-
-    import uuid
-    base = os.path.dirname(os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))))
-    uploads_dir = os.path.join(base, "uploads")
-    os.makedirs(uploads_dir, exist_ok=True)
-    fname = f"img-{uuid.uuid4().hex[:16]}.png"
-    abs_path = os.path.join(uploads_dir, fname)
-    with open(abs_path, "wb") as fh:
-        fh.write(img_bytes)
-    storage_url = f"/uploads/{fname}"
-
-    from ...storage import storage as _storage
-    from ..tool_executor import get_approval_scope_user_id
-    uid = get_approval_scope_user_id()
-    row = await _storage.create_generated_image({
-        "owner_user_id": uid,
-        "prompt": prompt,
-        "model": _IMAGE_MODEL,
-        "aspect_ratio": aspect_ratio,
-        "storage_url": storage_url,
-        "bytes": len(img_bytes),
-    })
-    return json.dumps({
-        "id": row.get("id"),
-        "storage_url": storage_url,
-        "prompt": prompt,
-        "aspect_ratio": aspect_ratio,
-    })
-# 103:3
+    import uuid as _uuid
+    filename = f"imagen3_{_uuid.uuid4().hex[:16]}.png"
+    return {
+        "data": img_bytes,
+        "filename": filename,
+        "mime": "image/png",
+        "provenance": {
+            "prompt": prompt,
+            "aspect_ratio": aspect_ratio,
+            "style_hint": style_hint,
+            "model": "imagen-3",
+        },
+    }
+# 90:4
diff --git a/repl_nix_workspace.egg-info/PKG-INFO b/repl_nix_workspace.egg-info/PKG-INFO
index 920f7330d..5bc7b9155 100644
--- a/repl_nix_workspace.egg-info/PKG-INFO
+++ b/repl_nix_workspace.egg-info/PKG-INFO
@@ -15,6 +15,7 @@ Requires-Dist: psycopg2-binary>=2.9.11
 Requires-Dist: pydantic>=2.12.5
 Requires-Dist: pyjwt[crypto]>=2.10.1
 Requires-Dist: python-multipart>=0.0.22
+Requires-Dist: replit-object-storage>=1.0.2
 Requires-Dist: sqlalchemy>=2.0.48
 Requires-Dist: stripe>=15.0.1
 Requires-Dist: uvicorn[standard]>=0.42.0
diff --git a/repl_nix_workspace.egg-info/SOURCES.txt b/repl_nix_workspace.egg-info/SOURCES.txt
index 4ae9860f1..dfde24302 100644
--- a/repl_nix_workspace.egg-info/SOURCES.txt
+++ b/repl_nix_workspace.egg-info/SOURCES.txt
@@ -9,4 +9,8 @@ repl_nix_workspace.egg-info/PKG-INFO
 repl_nix_workspace.egg-info/SOURCES.txt
 repl_nix_workspace.egg-info/dependency_links.txt
 repl_nix_workspace.egg-info/requires.txt
-repl_nix_workspace.egg-info/top_level.txt
\ No newline at end of file
+repl_nix_workspace.egg-info/top_level.txt
+tests/test_live_server.py
+tests/test_route_imports.py
+tests/test_skills.py
+tests/test_tools_registry.py
\ No newline at end of file
diff --git a/repl_nix_workspace.egg-info/requires.txt b/repl_nix_workspace.egg-info/requires.txt
index 640056af2..4419a043e 100644
--- a/repl_nix_workspace.egg-info/requires.txt
+++ b/repl_nix_workspace.egg-info/requires.txt
@@ -10,6 +10,7 @@ psycopg2-binary>=2.9.11
 pydantic>=2.12.5
 pyjwt[crypto]>=2.10.1
 python-multipart>=0.0.22
+replit-object-storage>=1.0.2
 sqlalchemy>=2.0.48
 stripe>=15.0.1
 uvicorn[standard]>=0.42.0
diff --git a/server/replit_integrations/object_storage/index.ts b/server/replit_integrations/object_storage/index.ts
new file mode 100644
index 000000000..0e27f4e18
--- /dev/null
+++ b/server/replit_integrations/object_storage/index.ts
@@ -0,0 +1,23 @@
+// 17:0
+export {
+  ObjectStorageService,
+  ObjectNotFoundError,
+  objectStorageClient,
+} from "./objectStorage";
+
+export type {
+  ObjectAclPolicy,
+  ObjectAccessGroup,
+  ObjectAccessGroupType,
+  ObjectAclRule,
+} from "./objectAcl";
+
+export {
+  canAccessObject,
+  getObjectAclPolicy,
+  setObjectAclPolicy,
+} from "./objectAcl";
+
+export { registerObjectStorageRoutes } from "./routes";
+
+// 17:0
diff --git a/server/replit_integrations/object_storage/objectAcl.ts b/server/replit_integrations/object_storage/objectAcl.ts
new file mode 100644
index 000000000..eeb698a08
--- /dev/null
+++ b/server/replit_integrations/object_storage/objectAcl.ts
@@ -0,0 +1,183 @@
+// 104:56
+import { File } from "@google-cloud/storage";
+
+const ACL_POLICY_METADATA_KEY = "custom:aclPolicy";
+
+// The type of the access group.
+//
+// Can be flexibly defined according to the use case.
+//
+// Examples:
+// - USER_LIST: the users from a list stored in the database;
+// - EMAIL_DOMAIN: the users whose email is in a specific domain;
+// - GROUP_MEMBER: the users who are members of a specific group;
+// - SUBSCRIBER: the users who are subscribers of a specific service / content
+//   creator.
+export enum ObjectAccessGroupType {}
+
+// The logic user group that can access the object.
+export interface ObjectAccessGroup {
+  // The type of the access group.
+  type: ObjectAccessGroupType;
+  // The logic id that is enough to identify the qualified group members.
+  //
+  // It may have different format for different types. For example:
+  // - for USER_LIST, the id could be the user list db entity id, and the
+  //   user list db entity could contain a bunch of user ids. User needs
+  //   to be a member of the user list to be able to access the object.
+  // - for EMAIL_DOMAIN, the id could be the email domain, and the user needs
+  //   to have an email with the domain to be able to access the object.
+  // - for GROUP_MEMBER, the id could be the group db entity id, and the
+  //   group db entity could contain a bunch of user ids. User needs to be
+  //   a member of the group to be able to access the object.
+  // - for SUBSCRIBER, the id could be the subscriber db entity id, and the
+  //   subscriber db entity could contain a bunch of user ids. User needs to
+  //   be a subscriber to be able to access the object.
+  id: string;
+}
+
+export enum ObjectPermission {
+  READ = "read",
+  WRITE = "write",
+}
+
+export interface ObjectAclRule {
+  group: ObjectAccessGroup;
+  permission: ObjectPermission;
+}
+
+// The ACL policy of the object.
+// This would be set as part of the object custom metadata:
+// - key: "custom:aclPolicy"
+// - value: JSON string of the ObjectAclPolicy object.
+export interface ObjectAclPolicy {
+  owner: string;
+  visibility: "public" | "private";
+  aclRules?: Array<ObjectAclRule>;
+}
+
+// Check if the requested permission is allowed based on the granted permission.
+function isPermissionAllowed(
+  requested: ObjectPermission,
+  granted: ObjectPermission,
+): boolean {
+  // Users granted with read or write permissions can read the object.
+  if (requested === ObjectPermission.READ) {
+    return [ObjectPermission.READ, ObjectPermission.WRITE].includes(granted);
+  }
+
+  // Only users granted with write permissions can write the object.
+  return granted === ObjectPermission.WRITE;
+}
+
+// The base class for all access groups.
+//
+// Different types of access groups can be implemented according to the use case.
+abstract class BaseObjectAccessGroup implements ObjectAccessGroup {
+  constructor(
+    public readonly type: ObjectAccessGroupType,
+    public readonly id: string,
+  ) {}
+
+  // Check if the user is a member of the group.
+  public abstract hasMember(userId: string): Promise<boolean>;
+}
+
+function createObjectAccessGroup(
+  group: ObjectAccessGroup,
+): BaseObjectAccessGroup {
+  switch (group.type) {
+    // Implement the case for each type of access group to instantiate.
+    //
+    // For example:
+    // case "USER_LIST":
+    //   return new UserListAccessGroup(group.id);
+    // case "EMAIL_DOMAIN":
+    //   return new EmailDomainAccessGroup(group.id);
+    // case "GROUP_MEMBER":
+    //   return new GroupMemberAccessGroup(group.id);
+    // case "SUBSCRIBER":
+    //   return new SubscriberAccessGroup(group.id);
+    default:
+      throw new Error(`Unknown access group type: ${group.type}`);
+  }
+}
+
+// Sets the ACL policy to the object metadata.
+export async function setObjectAclPolicy(
+  objectFile: File,
+  aclPolicy: ObjectAclPolicy,
+): Promise<void> {
+  const [exists] = await objectFile.exists();
+  if (!exists) {
+    throw new Error(`Object not found: ${objectFile.name}`);
+  }
+
+  await objectFile.setMetadata({
+    metadata: {
+      [ACL_POLICY_METADATA_KEY]: JSON.stringify(aclPolicy),
+    },
+  });
+}
+
+// Gets the ACL policy from the object metadata.
+export async function getObjectAclPolicy(
+  objectFile: File,
+): Promise<ObjectAclPolicy | null> {
+  const [metadata] = await objectFile.getMetadata();
+  const aclPolicy = metadata?.metadata?.[ACL_POLICY_METADATA_KEY];
+  if (!aclPolicy) {
+    return null;
+  }
+  return JSON.parse(aclPolicy as string);
+}
+
+// Checks if the user can access the object.
+export async function canAccessObject({
+  userId,
+  objectFile,
+  requestedPermission,
+}: {
+  userId?: string;
+  objectFile: File;
+  requestedPermission: ObjectPermission;
+}): Promise<boolean> {
+  // When this function is called, the acl policy is required.
+  const aclPolicy = await getObjectAclPolicy(objectFile);
+  if (!aclPolicy) {
+    return false;
+  }
+
+  // Public objects are always accessible for read.
+  if (
+    aclPolicy.visibility === "public" &&
+    requestedPermission === ObjectPermission.READ
+  ) {
+    return true;
+  }
+
+  // Access control requires the user id.
+  if (!userId) {
+    return false;
+  }
+
+  // The owner of the object can always access it.
+  if (aclPolicy.owner === userId) {
+    return true;
+  }
+
+  // Go through the ACL rules to check if the user has the required permission.
+  for (const rule of aclPolicy.aclRules || []) {
+    const accessGroup = createObjectAccessGroup(rule.group);
+    if (
+      (await accessGroup.hasMember(userId)) &&
+      isPermissionAllowed(requestedPermission, rule.permission)
+    ) {
+      return true;
+    }
+  }
+
+  return false;
+}
+
+// 104:56
diff --git a/server/replit_integrations/object_storage/objectStorage.ts b/server/replit_integrations/object_storage/objectStorage.ts
new file mode 100644
index 000000000..5f6ec365c
--- /dev/null
+++ b/server/replit_integrations/object_storage/objectStorage.ts
@@ -0,0 +1,302 @@
+// 246:19
+import { Storage, File } from "@google-cloud/storage";
+import { Response } from "express";
+import { randomUUID } from "crypto";
+import {
+  ObjectAclPolicy,
+  ObjectPermission,
+  canAccessObject,
+  getObjectAclPolicy,
+  setObjectAclPolicy,
+} from "./objectAcl";
+
+const REPLIT_SIDECAR_ENDPOINT = "http://127.0.0.1:1106";
+
+// The object storage client is used to interact with the object storage service.
+export const objectStorageClient = new Storage({
+  credentials: {
+    audience: "replit",
+    subject_token_type: "access_token",
+    token_url: `${REPLIT_SIDECAR_ENDPOINT}/token`,
+    type: "external_account",
+    credential_source: {
+      url: `${REPLIT_SIDECAR_ENDPOINT}/credential`,
+      format: {
+        type: "json",
+        subject_token_field_name: "access_token",
+      },
+    },
+    universe_domain: "googleapis.com",
+  },
+  projectId: "",
+});
+
+export class ObjectNotFoundError extends Error {
+  constructor() {
+    super("Object not found");
+    this.name = "ObjectNotFoundError";
+    Object.setPrototypeOf(this, ObjectNotFoundError.prototype);
+  }
+}
+
+// The object storage service is used to interact with the object storage service.
+export class ObjectStorageService {
+  constructor() {}
+
+  // Gets the public object search paths.
+  getPublicObjectSearchPaths(): Array<string> {
+    const pathsStr = process.env.PUBLIC_OBJECT_SEARCH_PATHS || "";
+    const paths = Array.from(
+      new Set(
+        pathsStr
+          .split(",")
+          .map((path) => path.trim())
+          .filter((path) => path.length > 0)
+      )
+    );
+    if (paths.length === 0) {
+      throw new Error(
+        "PUBLIC_OBJECT_SEARCH_PATHS not set. Create a bucket in 'Object Storage' " +
+          "tool and set PUBLIC_OBJECT_SEARCH_PATHS env var (comma-separated paths)."
+      );
+    }
+    return paths;
+  }
+
+  // Gets the private object directory.
+  getPrivateObjectDir(): string {
+    const dir = process.env.PRIVATE_OBJECT_DIR || "";
+    if (!dir) {
+      throw new Error(
+        "PRIVATE_OBJECT_DIR not set. Create a bucket in 'Object Storage' " +
+          "tool and set PRIVATE_OBJECT_DIR env var."
+      );
+    }
+    return dir;
+  }
+
+  // Search for a public object from the search paths.
+  async searchPublicObject(filePath: string): Promise<File | null> {
+    for (const searchPath of this.getPublicObjectSearchPaths()) {
+      const fullPath = `${searchPath}/${filePath}`;
+
+      // Full path format: /<bucket_name>/<object_name>
+      const { bucketName, objectName } = parseObjectPath(fullPath);
+      const bucket = objectStorageClient.bucket(bucketName);
+      const file = bucket.file(objectName);
+
+      // Check if file exists
+      const [exists] = await file.exists();
+      if (exists) {
+        return file;
+      }
+    }
+
+    return null;
+  }
+
+  // Downloads an object to the response.
+  async downloadObject(file: File, res: Response, cacheTtlSec: number = 3600) {
+    try {
+      // Get file metadata
+      const [metadata] = await file.getMetadata();
+      // Get the ACL policy for the object.
+      const aclPolicy = await getObjectAclPolicy(file);
+      const isPublic = aclPolicy?.visibility === "public";
+      // Set appropriate headers
+      res.set({
+        "Content-Type": metadata.contentType || "application/octet-stream",
+        "Content-Length": metadata.size,
+        "Cache-Control": `${
+          isPublic ? "public" : "private"
+        }, max-age=${cacheTtlSec}`,
+      });
+
+      // Stream the file to the response
+      const stream = file.createReadStream();
+
+      stream.on("error", (err) => {
+        console.error("Stream error:", err);
+        if (!res.headersSent) {
+          res.status(500).json({ error: "Error streaming file" });
+        }
+      });
+
+      stream.pipe(res);
+    } catch (error) {
+      console.error("Error downloading file:", error);
+      if (!res.headersSent) {
+        res.status(500).json({ error: "Error downloading file" });
+      }
+    }
+  }
+
+  // Gets the upload URL for an object entity.
+  async getObjectEntityUploadURL(): Promise<string> {
+    const privateObjectDir = this.getPrivateObjectDir();
+    if (!privateObjectDir) {
+      throw new Error(
+        "PRIVATE_OBJECT_DIR not set. Create a bucket in 'Object Storage' " +
+          "tool and set PRIVATE_OBJECT_DIR env var."
+      );
+    }
+
+    const objectId = randomUUID();
+    const fullPath = `${privateObjectDir}/uploads/${objectId}`;
+
+    const { bucketName, objectName } = parseObjectPath(fullPath);
+
+    // Sign URL for PUT method with TTL
+    return signObjectURL({
+      bucketName,
+      objectName,
+      method: "PUT",
+      ttlSec: 900,
+    });
+  }
+
+  // Gets the object entity file from the object path.
+  async getObjectEntityFile(objectPath: string): Promise<File> {
+    if (!objectPath.startsWith("/objects/")) {
+      throw new ObjectNotFoundError();
+    }
+
+    const parts = objectPath.slice(1).split("/");
+    if (parts.length < 2) {
+      throw new ObjectNotFoundError();
+    }
+
+    const entityId = parts.slice(1).join("/");
+    let entityDir = this.getPrivateObjectDir();
+    if (!entityDir.endsWith("/")) {
+      entityDir = `${entityDir}/`;
+    }
+    const objectEntityPath = `${entityDir}${entityId}`;
+    const { bucketName, objectName } = parseObjectPath(objectEntityPath);
+    const bucket = objectStorageClient.bucket(bucketName);
+    const objectFile = bucket.file(objectName);
+    const [exists] = await objectFile.exists();
+    if (!exists) {
+      throw new ObjectNotFoundError();
+    }
+    return objectFile;
+  }
+
+  normalizeObjectEntityPath(
+    rawPath: string,
+  ): string {
+    if (!rawPath.startsWith("https://storage.googleapis.com/")) {
+      return rawPath;
+    }
+  
+    // Extract the path from the URL by removing query parameters and domain
+    const url = new URL(rawPath);
+    const rawObjectPath = url.pathname;
+  
+    let objectEntityDir = this.getPrivateObjectDir();
+    if (!objectEntityDir.endsWith("/")) {
+      objectEntityDir = `${objectEntityDir}/`;
+    }
+  
+    if (!rawObjectPath.startsWith(objectEntityDir)) {
+      return rawObjectPath;
+    }
+  
+    // Extract the entity ID from the path
+    const entityId = rawObjectPath.slice(objectEntityDir.length);
+    return `/objects/${entityId}`;
+  }
+
+  // Tries to set the ACL policy for the object entity and return the normalized path.
+  async trySetObjectEntityAclPolicy(
+    rawPath: string,
+    aclPolicy: ObjectAclPolicy
+  ): Promise<string> {
+    const normalizedPath = this.normalizeObjectEntityPath(rawPath);
+    if (!normalizedPath.startsWith("/")) {
+      return normalizedPath;
+    }
+
+    const objectFile = await this.getObjectEntityFile(normalizedPath);
+    await setObjectAclPolicy(objectFile, aclPolicy);
+    return normalizedPath;
+  }
+
+  // Checks if the user can access the object entity.
+  async canAccessObjectEntity({
+    userId,
+    objectFile,
+    requestedPermission,
+  }: {
+    userId?: string;
+    objectFile: File;
+    requestedPermission?: ObjectPermission;
+  }): Promise<boolean> {
+    return canAccessObject({
+      userId,
+      objectFile,
+      requestedPermission: requestedPermission ?? ObjectPermission.READ,
+    });
+  }
+}
+
+function parseObjectPath(path: string): {
+  bucketName: string;
+  objectName: string;
+} {
+  if (!path.startsWith("/")) {
+    path = `/${path}`;
+  }
+  const pathParts = path.split("/");
+  if (pathParts.length < 3) {
+    throw new Error("Invalid path: must contain at least a bucket name");
+  }
+
+  const bucketName = pathParts[1];
+  const objectName = pathParts.slice(2).join("/");
+
+  return {
+    bucketName,
+    objectName,
+  };
+}
+
+async function signObjectURL({
+  bucketName,
+  objectName,
+  method,
+  ttlSec,
+}: {
+  bucketName: string;
+  objectName: string;
+  method: "GET" | "PUT" | "DELETE" | "HEAD";
+  ttlSec: number;
+}): Promise<string> {
+  const request = {
+    bucket_name: bucketName,
+    object_name: objectName,
+    method,
+    expires_at: new Date(Date.now() + ttlSec * 1000).toISOString(),
+  };
+  const response = await fetch(
+    `${REPLIT_SIDECAR_ENDPOINT}/object-storage/signed-object-url`,
+    {
+      method: "POST",
+      headers: {
+        "Content-Type": "application/json",
+      },
+      body: JSON.stringify(request),
+    }
+  );
+  if (!response.ok) {
+    throw new Error(
+      `Failed to sign object URL, errorcode: ${response.status}, ` +
+        `make sure you're running on Replit`
+    );
+  }
+
+  const { signed_url: signedURL } = await response.json();
+  return signedURL;
+}
+
+// 246:19
diff --git a/server/replit_integrations/object_storage/routes.ts b/server/replit_integrations/object_storage/routes.ts
new file mode 100644
index 000000000..020ac9943
--- /dev/null
+++ b/server/replit_integrations/object_storage/routes.ts
@@ -0,0 +1,88 @@
+// 37:41
+import type { Express } from "express";
+import { ObjectStorageService, ObjectNotFoundError } from "./objectStorage";
+
+/**
+ * Register object storage routes for file uploads.
+ *
+ * This provides example routes for the presigned URL upload flow:
+ * 1. POST /api/uploads/request-url - Get a presigned URL for uploading
+ * 2. The client then uploads directly to the presigned URL
+ *
+ * IMPORTANT: These are example routes. Customize based on your use case:
+ * - Add authentication middleware for protected uploads
+ * - Add file metadata storage (save to database after upload)
+ * - Add ACL policies for access control
+ */
+export function registerObjectStorageRoutes(app: Express): void {
+  const objectStorageService = new ObjectStorageService();
+
+  /**
+   * Request a presigned URL for file upload.
+   *
+   * Request body (JSON):
+   * {
+   *   "name": "filename.jpg",
+   *   "size": 12345,
+   *   "contentType": "image/jpeg"
+   * }
+   *
+   * Response:
+   * {
+   *   "uploadURL": "https://storage.googleapis.com/...",
+   *   "objectPath": "/objects/uploads/uuid"
+   * }
+   *
+   * IMPORTANT: The client should NOT send the file to this endpoint.
+   * Send JSON metadata only, then upload the file directly to uploadURL.
+   */
+  app.post("/api/uploads/request-url", async (req, res) => {
+    try {
+      const { name, size, contentType } = req.body;
+
+      if (!name) {
+        return res.status(400).json({
+          error: "Missing required field: name",
+        });
+      }
+
+      const uploadURL = await objectStorageService.getObjectEntityUploadURL();
+
+      // Extract object path from the presigned URL for later reference
+      const objectPath = objectStorageService.normalizeObjectEntityPath(uploadURL);
+
+      res.json({
+        uploadURL,
+        objectPath,
+        // Echo back the metadata for client convenience
+        metadata: { name, size, contentType },
+      });
+    } catch (error) {
+      console.error("Error generating upload URL:", error);
+      res.status(500).json({ error: "Failed to generate upload URL" });
+    }
+  });
+
+  /**
+   * Serve uploaded objects.
+   *
+   * GET /objects/:objectPath(*)
+   *
+   * This serves files from object storage. For public files, no auth needed.
+   * For protected files, add authentication middleware and ACL checks.
+   */
+  app.get("/objects/:objectPath(*)", async (req, res) => {
+    try {
+      const objectFile = await objectStorageService.getObjectEntityFile(req.path);
+      await objectStorageService.downloadObject(objectFile, res);
+    } catch (error) {
+      console.error("Error serving object:", error);
+      if (error instanceof ObjectNotFoundError) {
+        return res.status(404).json({ error: "Object not found" });
+      }
+      return res.status(500).json({ error: "Failed to serve object" });
+    }
+  });
+}
+
+// 37:41
diff --git a/shared/schema.ts b/shared/schema.ts
index 3e5cd651d..d3ef5afdb 100644
--- a/shared/schema.ts
+++ b/shared/schema.ts
@@ -1,4 +1,4 @@
-// 512:16
+// 535:18
 import { sql } from "drizzle-orm";
 import { pgTable, text, varchar, serial, integer, timestamp, jsonb, real, boolean, uniqueIndex, index } from "drizzle-orm/pg-core";
 import { createInsertSchema } from "drizzle-zod";
@@ -603,4 +603,31 @@ export const generatedImages = pgTable("generated_images", {
 export const insertGeneratedImageSchema = createInsertSchema(generatedImages).omit({ id: true, createdAt: true });
 export type GeneratedImage = typeof generatedImages.$inferSelect;
 export type InsertGeneratedImage = z.infer<typeof insertGeneratedImageSchema>;
-// 512:16
+
+// Unified archive of a0-produced artifacts (and backfilled generated_images).
+// Distinct from message_attachments which holds human-uploaded inputs.
+export const artifacts = pgTable("artifacts", {
+  id: varchar("id").primaryKey().default(sql`gen_random_uuid()`),
+  kind: varchar("kind").notNull(),
+  toolName: varchar("tool_name"),
+  agentRunId: varchar("agent_run_id"),
+  storagePath: text("storage_path").notNull(),
+  filename: varchar("filename").notNull(),
+  mime: varchar("mime").notNull(),
+  sizeBytes: integer("size_bytes").notNull(),
+  sha256: varchar("sha256").notNull(),
+  provenance: jsonb("provenance"),
+  public: boolean("public").notNull().default(false),
+  createdAt: timestamp("created_at").default(sql`CURRENT_TIMESTAMP`),
+}, (t) => [
+  index("idx_artifacts_created_at").on(t.createdAt.desc()),
+  index("idx_artifacts_kind").on(t.kind),
+  index("idx_artifacts_tool_name").on(t.toolName),
+  index("idx_artifacts_sha256").on(t.sha256),
+  index("idx_artifacts_public_kind_created").on(t.public, t.kind, t.createdAt.desc()),
+]);
+
+export const insertArtifactSchema = createInsertSchema(artifacts).omit({ id: true, createdAt: true });
+export type Artifact = typeof artifacts.$inferSelect;
+export type InsertArtifact = z.infer<typeof insertArtifactSchema>;
+// 535:18
diff --git a/tests/test_artifacts.py b/tests/test_artifacts.py
new file mode 100644
index 000000000..32e99586c
--- /dev/null
+++ b/tests/test_artifacts.py
@@ -0,0 +1,206 @@
+# 165:10
+"""Unit tests for the artifacts archive: schema defaults, sha256 dedupe,
+dispatcher's "produces" wrapping, and the rewired image_generate tool.
+
+The Object Storage client is monkeypatched out — these tests do not touch
+the real bucket. They DO touch the real Postgres (test row inserts/cleanup)
+because the helper module is async-SQLAlchemy bound. Each test runs in a
+single asyncio.run() so the connection pool stays bound to one event loop.
+"""
+import asyncio
+import hashlib
+import json
+import os
+
+import pytest
+from sqlalchemy import text
+
+from python.database import get_session
+from python.services import artifacts as _A
+
+
+class _FakeBucketClient:
+    def __init__(self):
+        self.uploaded: dict[str, bytes] = {}
+
+    def upload_from_bytes(self, key: str, data: bytes) -> None:
+        self.uploaded[key] = data
+
+    def download_as_bytes(self, key: str) -> bytes:
+        return self.uploaded[key]
+
+
+@pytest.fixture
+def fake_bucket(monkeypatch):
+    fb = _FakeBucketClient()
+    monkeypatch.setattr(_A, "_client", lambda: fb)
+    return fb
+
+
+@pytest.fixture(autouse=True)
+def _dispose_engine_each_test():
+    """Each test runs its own asyncio.run(); dispose the async engine pool
+    afterwards so the next test's loop gets fresh connections (asyncpg
+    connections are bound to the loop they were opened on)."""
+    yield
+    from python.database import engine as _eng
+
+    async def _close():
+        await _eng.dispose()
+
+    try:
+        asyncio.run(_close())
+    except Exception:
+        pass
+
+
+async def _delete_ids(ids: list[str]) -> None:
+    if not ids:
+        return
+    async with get_session() as s:
+        await s.execute(
+            text("DELETE FROM artifacts WHERE id = ANY(:ids)"),
+            {"ids": ids},
+        )
+
+
+def test_artifact_schema_defaults(fake_bucket):
+    async def go():
+        rec = await _A.archive_artifact(
+            data=b"hello-world-uniq-1",
+            kind="text",
+            tool_name="unit_test",
+            filename="hello.txt",
+            mime="text/plain",
+            provenance={"who": "test"},
+        )
+        try:
+            assert rec["sha256"] == hashlib.sha256(b"hello-world-uniq-1").hexdigest()
+            assert rec["size_bytes"] == len(b"hello-world-uniq-1")
+            assert rec["public_url"] is None
+            assert rec["deduped"] is False
+            row = await _A._fetch_row(rec["id"])
+            assert row["public"] is False
+            assert row["created_at"] is not None
+            assert row["kind"] == "text"
+        finally:
+            await _delete_ids([rec["id"]])
+    asyncio.run(go())
+
+
+def test_archive_artifact_dedupes_by_sha256(fake_bucket):
+    async def go():
+        a = await _A.archive_artifact(
+            data=b"dup-payload-uniq-2", kind="text", tool_name="unit_test",
+            filename="a.txt", mime="text/plain", provenance={},
+        )
+        try:
+            b = await _A.archive_artifact(
+                data=b"dup-payload-uniq-2", kind="text", tool_name="unit_test",
+                filename="b-different-name.txt", mime="text/plain", provenance={},
+            )
+            assert b["id"] == a["id"]
+            assert b["deduped"] is True
+            assert len(fake_bucket.uploaded) == 1
+        finally:
+            await _delete_ids([a["id"]])
+    asyncio.run(go())
+
+
+def test_dispatcher_wraps_tools_with_produces(fake_bucket):
+    from python.services import tools as tools_pkg
+    pkg_dir = os.path.dirname(tools_pkg.__file__)
+    fake_path = os.path.join(pkg_dir, "fake_archive_test_tool.py")
+    fake_src = (
+        '# 14:1\n'
+        '"""Test-only tool — auto-archives via SCHEMA[\'produces\']."""\n'
+        'SCHEMA = {\n'
+        '    "type": "function",\n'
+        '    "function": {"name": "fake_archive_test_tool",\n'
+        '                 "description": "test tool",\n'
+        '                 "parameters": {"type": "object", "properties": {}}},\n'
+        '    "tier": "free", "approval_scope": None, "enabled": True,\n'
+        '    "category": "test", "cost_hint": "free", "side_effects": [],\n'
+        '    "version": 1,\n'
+        '    "produces": {"kind": "text", "mime_pattern": "text/*"},\n'
+        '}\n'
+        'async def handle(**_):\n'
+        '    return {"data": b"fake-tool-payload-uniq-3", "filename": "fake.txt",\n'
+        '            "mime": "text/plain", "provenance": {"src": "test"}}\n'
+        '# 14:1\n'
+    )
+    with open(fake_path, "w") as fh:
+        fh.write(fake_src)
+    tools_pkg._CACHE["modules"] = None
+    tools_pkg._CACHE["fingerprint"] = ""
+    art_id_holder: list[str] = []
+
+    async def go():
+        try:
+            result = await tools_pkg.dispatch("fake_archive_test_tool")
+            assert isinstance(result, dict)
+            assert result["count"] == 1
+            art = result["artifacts"][0]
+            art_id_holder.append(art["id"])
+            assert art["kind"] == "text"
+            assert art["mime"] == "text/plain"
+            row = await _A._fetch_row(art["id"])
+            assert row["tool_name"] == "fake_archive_test_tool"
+            assert row["filename"] == "fake.txt"
+        finally:
+            await _delete_ids(art_id_holder)
+
+    try:
+        asyncio.run(go())
+    finally:
+        try:
+            os.remove(fake_path)
+        except FileNotFoundError:
+            pass
+        tools_pkg._CACHE["modules"] = None
+        tools_pkg._CACHE["fingerprint"] = ""
+
+
+def test_image_generate_now_returns_artifact_id(fake_bucket, monkeypatch):
+    from python.services.tools import image_generate as ig
+    from python.services import tools as tools_pkg
+
+    async def _fake_handle(prompt: str = "", aspect_ratio: str = "1:1", style_hint=None, **_):
+        return {
+            "data": b"\x89PNG-fake-bytes-imagen3-uniq-4",
+            "filename": "imagen3_unitfake.png",
+            "mime": "image/png",
+            "provenance": {"prompt": prompt, "aspect_ratio": aspect_ratio,
+                           "model": "imagen-3"},
+        }
+
+    monkeypatch.setattr(ig, "handle", _fake_handle)
+    tools_pkg._CACHE["modules"] = None
+    tools_pkg._CACHE["fingerprint"] = ""
+    art_id_holder: list[str] = []
+
+    async def go():
+        try:
+            result = await tools_pkg.dispatch("image_generate", prompt="a cat")
+            assert result["count"] == 1
+            art = result["artifacts"][0]
+            art_id_holder.append(art["id"])
+            assert art["kind"] == "image"
+            assert art["mime"] == "image/png"
+            assert art["url"].startswith("/api/v1/artifacts/")
+            row = await _A._fetch_row(art["id"])
+            assert row["tool_name"] == "image_generate"
+            assert row["mime"] == "image/png"
+            prov = row["provenance"]
+            if isinstance(prov, str):
+                prov = json.loads(prov)
+            assert prov.get("prompt") == "a cat"
+        finally:
+            await _delete_ids(art_id_holder)
+
+    try:
+        asyncio.run(go())
+    finally:
+        tools_pkg._CACHE["modules"] = None
+        tools_pkg._CACHE["fingerprint"] = ""
+# 165:10
diff --git a/uv.lock b/uv.lock
index 002c92e11..bda89a97f 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1,6 +1,10 @@
 version = 1
 revision = 3
 requires-python = ">=3.12"
+resolution-markers = [
+    "python_full_version >= '3.13'",
+    "python_full_version < '3.13'",
+]
 
 [[package]]
 name = "aiofiles"
@@ -334,6 +338,22 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/e4/72/42e900510195b23a56bde950d26a51f8b723846bfcaa0286e90287f0422b/fastapi-0.135.1-py3-none-any.whl", hash = "sha256:46e2fc5745924b7c840f71ddd277382af29ce1cdb7d5eab5bf697e3fb9999c9e", size = 116999, upload-time = "2026-03-01T18:18:30.831Z" },
 ]
 
+[[package]]
+name = "google-api-core"
+version = "2.30.3"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "google-auth" },
+    { name = "googleapis-common-protos" },
+    { name = "proto-plus" },
+    { name = "protobuf" },
+    { name = "requests" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/16/ce/502a57fb0ec752026d24df1280b162294b22a0afb98a326084f9a979138b/google_api_core-2.30.3.tar.gz", hash = "sha256:e601a37f148585319b26db36e219df68c5d07b6382cff2d580e83404e44d641b", size = 177001, upload-time = "2026-04-10T00:41:28.035Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/03/15/e56f351cf6ef1cfea58e6ac226a7318ed1deb2218c4b3cc9bd9e4b786c5a/google_api_core-2.30.3-py3-none-any.whl", hash = "sha256:a85761ba72c444dad5d611c2220633480b2b6be2521eca69cca2dbb3ffd6bfe8", size = 173274, upload-time = "2026-04-09T22:57:16.198Z" },
+]
+
 [[package]]
 name = "google-auth"
 version = "2.49.2"
@@ -352,6 +372,59 @@ requests = [
     { name = "requests" },
 ]
 
+[[package]]
+name = "google-cloud-core"
+version = "2.5.1"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "google-api-core" },
+    { name = "google-auth" },
+]
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+]
+
+[[package]]
+name = "google-cloud-storage"
+version = "2.19.0"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "google-api-core" },
+    { name = "google-auth" },
+    { name = "google-cloud-core" },
+    { name = "google-crc32c" },
+    { name = "google-resumable-media" },
+    { name = "requests" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/36/76/4d965702e96bb67976e755bed9828fa50306dca003dbee08b67f41dd265e/google_cloud_storage-2.19.0.tar.gz", hash = "sha256:cd05e9e7191ba6cb68934d8eb76054d9be4562aa89dbc4236feee4d7d51342b2", size = 5535488, upload-time = "2024-12-05T01:35:06.49Z" }
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+]
+
+[[package]]
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+
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 name = "google-genai"
 version = "1.73.1"
@@ -373,6 +446,30 @@ wheels = [
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+[[package]]
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+version = "1.74.0"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "protobuf" },
+]
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 name = "greenlet"
 version = "3.3.2"
@@ -663,6 +760,33 @@ wheels = [
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+[[package]]
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+    { url = "https://files.pythonhosted.org/packages/eb/9d/aa69df2724ff63efa6f72307b483ce0827f4347cc6d6df24b59e26659fef/protobuf-7.34.1-cp310-abi3-manylinux2014_aarch64.whl", hash = "sha256:5185e0e948d07abe94bb76ec9b8416b604cfe5da6f871d67aad30cbf24c3110b", size = 325753, upload-time = "2026-03-20T17:34:38.751Z" },
+    { url = "https://files.pythonhosted.org/packages/92/e8/d174c91fd48e50101943f042b09af9029064810b734e4160bbe282fa1caa/protobuf-7.34.1-cp310-abi3-manylinux2014_s390x.whl", hash = "sha256:403b093a6e28a960372b44e5eb081775c9b056e816a8029c61231743d63f881a", size = 340198, upload-time = "2026-03-20T17:34:39.871Z" },
+    { url = "https://files.pythonhosted.org/packages/53/1b/3b431694a4dc6d37b9f653f0c64b0a0d9ec074ee810710c0c3da21d67ba7/protobuf-7.34.1-cp310-abi3-manylinux2014_x86_64.whl", hash = "sha256:8ff40ce8cd688f7265326b38d5a1bed9bfdf5e6723d49961432f83e21d5713e4", size = 324267, upload-time = "2026-03-20T17:34:41.1Z" },
+    { url = "https://files.pythonhosted.org/packages/85/29/64de04a0ac142fb685fd09999bc3d337943fb386f3a0ec57f92fd8203f97/protobuf-7.34.1-cp310-abi3-win32.whl", hash = "sha256:34b84ce27680df7cca9f231043ada0daa55d0c44a2ddfaa58ec1d0d89d8bf60a", size = 426628, upload-time = "2026-03-20T17:34:42.536Z" },
+    { url = "https://files.pythonhosted.org/packages/4d/87/cb5e585192a22b8bd457df5a2c16a75ea0db9674c3a0a39fc9347d84e075/protobuf-7.34.1-cp310-abi3-win_amd64.whl", hash = "sha256:e97b55646e6ce5cbb0954a8c28cd39a5869b59090dfaa7df4598a7fba869468c", size = 437901, upload-time = "2026-03-20T17:34:44.112Z" },
+    { url = "https://files.pythonhosted.org/packages/88/95/608f665226bca68b736b79e457fded9a2a38c4f4379a4a7614303d9db3bc/protobuf-7.34.1-py3-none-any.whl", hash = "sha256:bb3812cd53aefea2b028ef42bd780f5b96407247f20c6ef7c679807e9d188f11", size = 170715, upload-time = "2026-03-20T17:34:45.384Z" },
+]
+
 [[package]]
 name = "psycopg2-binary"
 version = "2.9.11"
@@ -953,6 +1077,7 @@ dependencies = [
     { name = "pydantic" },
     { name = "pyjwt", extra = ["crypto"] },
     { name = "python-multipart" },
+    { name = "replit-object-storage" },
     { name = "sqlalchemy" },
     { name = "stripe" },
     { name = "uvicorn", extra = ["standard"] },
@@ -978,6 +1103,7 @@ requires-dist = [
     { name = "pydantic", specifier = ">=2.12.5" },
     { name = "pyjwt", extras = ["crypto"], specifier = ">=2.10.1" },
     { name = "python-multipart", specifier = ">=0.0.22" },
+    { name = "replit-object-storage", specifier = ">=1.0.2" },
     { name = "sqlalchemy", specifier = ">=2.0.48" },
     { name = "stripe", specifier = ">=15.0.1" },
     { name = "uvicorn", extras = ["standard"], specifier = ">=0.42.0" },
@@ -989,6 +1115,19 @@ dev = [
     { name = "pytest-asyncio", specifier = ">=1.3.0" },
 ]
 
+[[package]]
+name = "replit-object-storage"
+version = "1.0.2"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "google-cloud-storage" },
+    { name = "requests" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/5a/3c/e4a79901536c6b3801072eb92b2a29a0c2b99471ac75ba92271a7cad568e/replit_object_storage-1.0.2.tar.gz", hash = "sha256:ee51c759e0361d6fd6dffc847b9d5019c5572ee6490166aa66ab6001ed70595d", size = 4720, upload-time = "2024-07-22T22:29:13.98Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/40/0d/844005c9a92b288afc4ca551efcefedb280c4af53b842a33e51129c72e7e/replit_object_storage-1.0.2-py3-none-any.whl", hash = "sha256:de9791d50b9c1197e32224d641529fe0d1b3b3e8fafb20d235f2916dac34cfca", size = 5691, upload-time = "2024-07-22T22:29:12.725Z" },
+]
+
 [[package]]
 name = "requests"
 version = "2.33.1"

From f1d7ac451a9b32984eb5f1b41bbf64be6d17c503 Mon Sep 17 00:00:00 2001
From: Erin Spencer <erin.eps.hovel@gmail.com>
Date: Sun, 3 May 2026 19:12:39 -0700
Subject: [PATCH 52/61] Potential fix for pull request finding 'Unused global
 variable'

Co-authored-by: Copilot Autofix powered by AI <223894421+github-code-quality[bot]@users.noreply.github.com>
---
 python/services/tools/__init__.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/python/services/tools/__init__.py b/python/services/tools/__init__.py
index df67fd1b1..ce6f60a19 100644
--- a/python/services/tools/__init__.py
+++ b/python/services/tools/__init__.py
@@ -72,6 +72,8 @@ def _discover() -> dict[str, ModuleType]:
 
 def registry() -> dict[str, ToolSpec]:
     """Return {name: ToolSpec}, sorted by tool name for cache stability.
+
+    Validates tool metadata at boot, including canonical side-effects.
     Enforces: any tool with "security_active" in side_effects must declare a
     non-None approval_scope (gates offensive tooling by construction)."""
     mods = _discover()

From 1bbd07211547c7bec8d28e7325393d0de23b483b Mon Sep 17 00:00:00 2001
From: Erin Spencer <erin.eps.hovel@gmail.com>
Date: Sun, 3 May 2026 19:13:20 -0700
Subject: [PATCH 53/61] Potential fix for pull request finding 'Unused global
 variable'

Co-authored-by: Copilot Autofix powered by AI <223894421+github-code-quality[bot]@users.noreply.github.com>
---
 python/services/energy_registry.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/python/services/energy_registry.py b/python/services/energy_registry.py
index 389265506..dd18cd9d8 100644
--- a/python/services/energy_registry.py
+++ b/python/services/energy_registry.py
@@ -78,7 +78,6 @@
 }
 
 
-_PROVIDER_DEFAULT_ASSIGNMENTS: dict[str, dict] = {}
 _PROVIDER_PRESETS: dict[str, dict] = {}
 _PROVIDER_AVAILABLE_MODELS: dict[str, list] = {}
 _PROVIDER_PRICING_URLS: dict[str, str] = {

From 1bd1174fced29f9de8bf24e8d2cea648f00bd2f7 Mon Sep 17 00:00:00 2001
From: Erin Spencer <erin.eps.hovel@gmail.com>
Date: Sun, 3 May 2026 19:13:49 -0700
Subject: [PATCH 54/61] Potential fix for pull request finding 'Unused global
 variable'

Co-authored-by: Copilot Autofix powered by AI <223894421+github-code-quality[bot]@users.noreply.github.com>
---
 python/services/energy_registry.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/python/services/energy_registry.py b/python/services/energy_registry.py
index dd18cd9d8..fb69bfd59 100644
--- a/python/services/energy_registry.py
+++ b/python/services/energy_registry.py
@@ -79,7 +79,6 @@
 
 
 _PROVIDER_PRESETS: dict[str, dict] = {}
-_PROVIDER_AVAILABLE_MODELS: dict[str, list] = {}
 _PROVIDER_PRICING_URLS: dict[str, str] = {
     "openai": "https://openai.com/api/pricing/",
     "gemini": "https://ai.google.dev/pricing",

From 76eb0eefd3a4828b8947c56f065bdf223be8ad12 Mon Sep 17 00:00:00 2001
From: Erin Spencer <erin.eps.hovel@gmail.com>
Date: Sun, 3 May 2026 19:14:11 -0700
Subject: [PATCH 55/61] Potential fix for pull request finding 'Unused global
 variable'

Co-authored-by: Copilot Autofix powered by AI <223894421+github-code-quality[bot]@users.noreply.github.com>
---
 python/services/energy_registry.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/python/services/energy_registry.py b/python/services/energy_registry.py
index fb69bfd59..4ec38bc9b 100644
--- a/python/services/energy_registry.py
+++ b/python/services/energy_registry.py
@@ -86,7 +86,6 @@
     "claude": "https://www.anthropic.com/pricing",
     "grok": "https://docs.x.ai/docs/models",
 }
-_PROVIDER_CAPABILITIES: dict[str, dict] = {}
 _PROVIDER_ENABLED_TOOLS: dict[str, list] = {}
 
 

From 099e8b3ac1b18d9dee863ce4ce46f323a3686470 Mon Sep 17 00:00:00 2001
From: Erin Spencer <erin.eps.hovel@gmail.com>
Date: Sun, 3 May 2026 19:15:01 -0700
Subject: [PATCH 56/61] Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
---
 client/src/components/ForgeAgentChat.tsx | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/client/src/components/ForgeAgentChat.tsx b/client/src/components/ForgeAgentChat.tsx
index 96b2539f0..1e2fa5fc5 100644
--- a/client/src/components/ForgeAgentChat.tsx
+++ b/client/src/components/ForgeAgentChat.tsx
@@ -188,14 +188,23 @@ export default function ForgeAgentChat({ agentId, agentName, onClose }: Props) {
         ) : (
           <div className="flex flex-col gap-2">
             {messages.map((m) => (
-              <MessageBubble key={m.id} message={m} onSend={(c) => sendMessage.mutate(c)} />
+              <MessageBubble
+                key={m.id}
+                message={m}
+                onSend={(content) => sendMessage.mutate({ content, attachmentIds: [] })}
+              />
             ))}
           </div>
         )}
       </div>
 
       {!!activeConvId && (
-        <ChatInput onSend={(c) => sendMessage.mutate(c)} isSending={sendMessage.isPending} />
+        <ChatInput
+          onSend={(content, attachmentIds) =>
+            sendMessage.mutate({ content, attachmentIds })
+          }
+          isSending={sendMessage.isPending}
+        />
       )}
     </div>
   );

From a06355bb03184f8cf8233bc3dbb25d7fb9a982cd Mon Sep 17 00:00:00 2001
From: Erin Spencer <erin.eps.hovel@gmail.com>
Date: Sun, 3 May 2026 19:15:43 -0700
Subject: [PATCH 57/61] Potential fix for pull request finding 'Unused import'

Co-authored-by: Copilot Autofix powered by AI <223894421+github-code-quality[bot]@users.noreply.github.com>
---
 python/routes/artifacts.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/python/routes/artifacts.py b/python/routes/artifacts.py
index 4d5683f03..d5e06cfb5 100644
--- a/python/routes/artifacts.py
+++ b/python/routes/artifacts.py
@@ -1,6 +1,6 @@
 # 98:12
 """HTTP API for the unified artifacts archive."""
-from typing import Any, Optional
+from typing import Optional
 import datetime as _dt
 
 from fastapi import APIRouter, HTTPException, Request, Query

From 0db9046d14d10c167a973f5bd74829414dfd6462 Mon Sep 17 00:00:00 2001
From: Erin Spencer <erin.eps.hovel@gmail.com>
Date: Sun, 3 May 2026 19:16:15 -0700
Subject: [PATCH 58/61] Potential fix for pull request finding 'Unused import'

Co-authored-by: Copilot Autofix powered by AI <223894421+github-code-quality[bot]@users.noreply.github.com>
---
 python/routes/energy.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/python/routes/energy.py b/python/routes/energy.py
index 68f368f8f..aa99623be 100644
--- a/python/routes/energy.py
+++ b/python/routes/energy.py
@@ -25,7 +25,7 @@
 import re
 from fastapi import APIRouter, HTTPException, Request
 from pydantic import BaseModel, Field, field_validator
-from typing import Optional, Any, Literal
+from typing import Optional, Literal
 from sqlalchemy import text as sa_text
 
 from ..services.energy_registry import (

From 58b259ca11e804b56a970e6cb0d1625ecf4cd041 Mon Sep 17 00:00:00 2001
From: Erin Spencer <erin.eps.hovel@gmail.com>
Date: Sun, 3 May 2026 19:16:36 -0700
Subject: [PATCH 59/61] Potential fix for pull request finding 'Unused import'

Co-authored-by: Copilot Autofix powered by AI <223894421+github-code-quality[bot]@users.noreply.github.com>
---
 python/services/gemini_native.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/python/services/gemini_native.py b/python/services/gemini_native.py
index a82035832..d70e91453 100644
--- a/python/services/gemini_native.py
+++ b/python/services/gemini_native.py
@@ -13,7 +13,6 @@
 from __future__ import annotations
 
 import asyncio
-import copy
 import json
 import os
 from typing import Any, Optional

From fcec4da59632caddd1792f6ee57a3ff0f587c5a8 Mon Sep 17 00:00:00 2001
From: Erin Spencer <erin.eps.hovel@gmail.com>
Date: Sun, 3 May 2026 19:19:33 -0700
Subject: [PATCH 60/61] Potential fix for pull request finding 'Empty except'

Co-authored-by: Copilot Autofix powered by AI <223894421+github-code-quality[bot]@users.noreply.github.com>
---
 python/services/energy_registry.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/python/services/energy_registry.py b/python/services/energy_registry.py
index dfad56e16..84e05af0d 100644
--- a/python/services/energy_registry.py
+++ b/python/services/energy_registry.py
@@ -1,7 +1,10 @@
 # 328:125
+import logging
 import contextvars
 import json
 import os
+logger = logging.getLogger(__name__)
+
 from pathlib import Path
 from typing import Optional
 
@@ -174,7 +177,10 @@ async def set_active_provider_persistent(self, provider_id: str) -> bool:
             return False
         try:
             from ..database import get_session
-            async with get_session() as session:
+            logger.warning(
+                "Failed to persist active provider to DB; keeping in-memory selection.",
+                exc_info=True,
+            )
                 await session.execute(
                     sa_text(
                         "INSERT INTO a0p_settings (key, value) "

From f4cd4287e26c4b809ecd2a82d231293be8dd8571 Mon Sep 17 00:00:00 2001
From: Erin Spencer <erin.eps.hovel@gmail.com>
Date: Sun, 3 May 2026 19:20:58 -0700
Subject: [PATCH 61/61] Potential fix for pull request finding 'Unused
 variable, import, function or class'

Co-authored-by: Copilot Autofix powered by AI <223894421+github-code-quality[bot]@users.noreply.github.com>
---
 server/index.ts | 1 -
 1 file changed, 1 deletion(-)

diff --git a/server/index.ts b/server/index.ts
index 0c05256c8..77d4f70d6 100644
--- a/server/index.ts
+++ b/server/index.ts
@@ -5,7 +5,6 @@ import fs from "fs";
 import crypto from "crypto";
 import { spawn, type ChildProcess } from "child_process";
 import express from "express";
-import multer from "multer";
 import { createProxyMiddleware, fixRequestBody } from "http-proxy-middleware";
 import {
   setupAuth,