cli: add af update command, switch accent to brand purple

packages/cli/README.md

@@ -16,4 +16,4 @@ af validate         # check the file and report which env vars it references
 af run              # run it in Docker; a REPL without triggers, a service with them
 ```
 
-`af up -d` starts one or more agents in the background, `af ps` lists them and `af down` stops them. The full command reference lives at [docs.looped.sh/agent-framework/cli](https://docs.looped.sh/agent-framework/cli).
+`af up -d` starts one or more agents in the background, `af ps` lists them and `af down` stops them. Run `af update` to reinstall the CLI at the latest published version. The full command reference lives at [docs.looped.sh/agent-framework/cli](https://docs.looped.sh/agent-framework/cli).

packages/cli/banner.ts

@@ -1,7 +1,7 @@
 // The first-boot banner: shown once per agent, on the run where it names
 // itself. A little something for the devs.
 
-import { LOOP_GRADIENT } from "./style.ts";
+import { ACCENT, LOOP_GRADIENT } from "./style.ts";
 
 const ART = String.raw`
    ██╗      ██████╗  ██████╗ ██████╗ ███████╗██████╗      █████╗ ███████╗
@@ -17,16 +17,12 @@ export function printBirthBanner(handle: string, name: string) {
   for (let i = 0; i < lines.length; i++) {
     console.log(`%c${lines[i]}`, `color: ${LOOP_GRADIENT[i % LOOP_GRADIENT.length]}`);
   }
-  console.log(
-    `\n   %cone job · one file · it’s hired%c                      looped.sh\n`,
-    "color: gray; font-style: italic",
-    "color: gray",
-  );
+  console.log();
   console.log(
     `   ✦ first boot — %c${handle}%c has chosen a name: %c${name}%c\n`,
     "color: gray",
     "",
-    "color: #22d3ee; font-weight: bold",
+    `color: ${ACCENT}; font-weight: bold`,
     "",
   );
 }

packages/cli/main.ts

@@ -6,6 +6,7 @@
  * af up <agent.yaml...>     start agents in Docker (foreground; -d to detach)
  * af down / af ps           stop / list af containers
  * af validate <agent.yaml>  validate a config and report env references
+ * af update                 reinstall af at the latest published version
  * ```
  *
  * Nothing executes on the host: run/up start the published container image.
@@ -36,6 +37,7 @@ import {
 import { init } from "./init_command.ts";
 import { runLocal, validate } from "./local.ts";
 import { accent, dim, table } from "./style.ts";
+import { update } from "./update_command.ts";
 
 // Set by the image: `run` executes in-process (the container entrypoint)
 // instead of spawning docker inside docker.
@@ -52,6 +54,7 @@ function usage(): string {
     ["af flags [agent.yaml]", "Print compiled Deno permission flags"],
     ["af schema", "Print the agent.yaml JSON Schema"],
     ["af discord-invite [agent.yaml]", "Print the bot's OAuth invite URL (no bitfield math)"],
+    ["af update", "Reinstall af at the latest published version"],
   ];
   const flags: [string, string][] = [
     ["-d, --detach", "up: leave agents running in the background (restart unless-stopped)"],
@@ -113,6 +116,9 @@ async function main() {
         if (!arg) fail("usage: af discord-invite [agent.yaml]");
         await discordInvite(arg);
         break;
+      case "update":
+        await update();
+        break;
       default:
         console.log(usage());
         Deno.exit(command && command !== "--help" && command !== "-h" ? 1 : 0);

packages/cli/style.ts

@@ -5,10 +5,10 @@
 /** The Looped loop: cyan → violet. The banner paints with it; log prefixes cycle it. */
 export const LOOP_GRADIENT = ["#22d3ee", "#38bdf8", "#60a5fa", "#818cf8", "#a78bfa", "#c084fc"];
 
-export const ACCENT = LOOP_GRADIENT[0]; // Looped cyan
-const OK = "#34d399";
-const WARN = "#fbbf24";
-const ERR = "#f87171";
+export const ACCENT = "#685EF6"; // Looped primary purple
+const OK = "#37946A";
+const WARN = "#ED9B00";
+const ERR = "#D02E1F";
 
 function detectColor(): boolean {
   try {

packages/cli/update_command.ts

@@ -0,0 +1,45 @@
+// `af update` — reinstall the CLI from JSR at its latest published version.
+// Mirrors the install command from the README, with -f to overwrite the
+// existing binary and @latest to bypass any cached resolution.
+
+import { fail } from "./docker_commands.ts";
+import { ok, Spinner } from "./style.ts";
+
+const INSTALL_ARGS = [
+  "install",
+  "-g",
+  "-f",
+  "--allow-read",
+  "--allow-write",
+  "--allow-env",
+  "--allow-net",
+  "--allow-run=bash,docker",
+  "-n",
+  "af",
+  "jsr:@looped/af@latest",
+];
+
+export async function update() {
+  const spinner = new Spinner();
+  spinner.start("updating af...");
+  try {
+    const child = new Deno.Command("deno", {
+      args: INSTALL_ARGS,
+      stdout: "piped",
+      stderr: "piped",
+      stdin: "null",
+    });
+    const out = await child.output();
+    if (out.code !== 0) {
+      spinner.stop();
+      fail(new TextDecoder().decode(out.stderr).trim() || "deno install failed");
+    }
+    spinner.stop(`${ok("✓")} af is up to date`);
+  } catch (e) {
+    spinner.stop();
+    if (e instanceof Deno.errors.NotFound) {
+      fail("deno not found — af update reinstalls via `deno install`");
+    }
+    throw e;
+  }
+}