fix(claude): preserve reasoning and tool result envelopes

docs-site/src/content/docs/fr/guides/claude-code.md

@@ -500,7 +500,7 @@ Le proxy traduit chaque requête Anthropic Messages API au format Codex Response
 | Texte assistant | `output_text` |
 | Assistant `tool_use` | `function_call` (`input` → JSON-stringifié `arguments`) |
 | Utilisateur `tool_result` | `function_call_output` (`is_error` → préfixe `[tool error]`) |
-| Relecture de `thinking` / `redacted_thinking` | Ignorée |
+| Relecture de `thinking` / `redacted_thinking` | Éléments `reasoning` avec enveloppes `ocxr1` bornées pour les signatures et les contenus masqués |
 | Outils fonctionnels | `{type: "function"}` (`web_search*` → `{type: "web_search"}`) |
 | `tool_choice` | `auto`→`auto`, `none`→`none`, `any`→`required`, fonction nommée→`{type:"function",name}`, hébergée WebSearch/web_search→`{type:"web_search"}` |
 | `max_tokens` | `max_output_tokens` |
@@ -516,7 +516,7 @@ Le proxy traduit chaque requête Anthropic Messages API au format Codex Response
 | `response.created` | `message_start` + `ping` |
 | Battement de coeur | `ping` |
 | Deltas de texte | `content_block_start` → `content_block_delta` (texte) → `content_block_stop` |
-| Résumé ou texte de raisonnement | Bloc `thinking` avec signature synthétique |
+| Résumé ou texte de raisonnement | Bloc `thinking` avec la signature relue, ou une enveloppe de secours `ocxr1` bornée |
 | Trames d'appel de fonction | Bloc `tool_use` avec `input_json_delta` |
 | Événement terminal | `message_delta` → `message_stop` |
 | EOF avant la borne | style 502 `api_error` |

docs-site/src/content/docs/guides/claude-code.md

@@ -513,7 +513,7 @@ The proxy translates every Anthropic Messages API request into the Codex Respons
 | Assistant text | `output_text` |
 | Assistant `tool_use` | `function_call` (`input` → JSON-stringified `arguments`) |
 | User `tool_result` | `function_call_output` (`is_error` → `[tool error]` prefix) |
-| `thinking` / `redacted_thinking` replay | Dropped |
+| `thinking` / `redacted_thinking` replay | `reasoning` items with bounded `ocxr1` envelopes for signatures and redacted payloads |
 | Function tools | `{type: "function"}` (`web_search*` → `{type: "web_search"}`) |
 | `tool_choice` | `auto`→`auto`, `none`→`none`, `any`→`required`, named function→`{type:"function",name}`, hosted WebSearch/web_search→`{type:"web_search"}` |
 | `max_tokens` | `max_output_tokens` |
@@ -530,7 +530,7 @@ name.
 | `response.created` | `message_start` + `ping` |
 | Heartbeat | `ping` |
 | Text deltas | `content_block_start` → `content_block_delta` (text) → `content_block_stop` |
-| Reasoning summary/text | `thinking` block with synthetic signature |
+| Reasoning summary/text | `thinking` block with the replayed signature, or a bounded `ocxr1` fallback envelope |
 | Function-call frames | `tool_use` block with `input_json_delta` |
 | Terminal event | `message_delta` → `message_stop` |
 | EOF before terminal | 502-style `api_error` |

docs-site/src/content/docs/ja/guides/claude-code.md

@@ -368,7 +368,7 @@ Claude Code の `/effort` 設定はアダプターでも維持されます。
 | Assistant テキスト | `output_text` |
 | Assistant `tool_use` | `function_call`(`input` → JSON 文字列に変換した `arguments`) |
 | ユーザー `tool_result` | `function_call_output`(`is_error` → `[tool error]` 接頭辞) |
-| `thinking` / `redacted_thinking` 再生 | 破棄 |
+| `thinking` / `redacted_thinking` 再生 | シグネチャと秘匿ペイロードを境界付き `ocxr1` エンベロープに保持した `reasoning` 項目 |
 | Function ツール | `{type: "function"}`(`web_search*` → `{type: "web_search"}`) |
 | `tool_choice` | `auto`→`auto`、`none`→`none`、`any`→`required`、名前指定関数→`{type:"function",name}`、ホスト型 WebSearch/web_search→`{type:"web_search"}` |
 | `max_tokens` | `max_output_tokens` |
@@ -384,7 +384,7 @@ role、`tool_use_id` のない `tool_result`、id/name のない `tool_use`、na
 | `response.created` | `message_start` + `ping` |
 | Heartbeat | `ping` |
 | テキスト delta | `content_block_start` → `content_block_delta`(text) → `content_block_stop` |
-| 推論要約/テキスト | 合成シグネチャ付きの `thinking` ブロック |
+| 推論要約/テキスト | 再生されたシグネチャ、または境界付き `ocxr1` フォールバックを持つ `thinking` ブロック |
 | Function-call フレーム | `input_json_delta` を持つ `tool_use` ブロック |
 | 終了イベント | `message_delta` → `message_stop` |
 | 終了前に EOF | 502 形式 `api_error` |

docs-site/src/content/docs/ko/guides/claude-code.md

@@ -406,7 +406,7 @@ Claude Code의 `/effort` 설정은 어댑터에서도 유지돼요.
 | Assistant 텍스트 | `output_text` |
 | Assistant `tool_use` | `function_call`(`input` → JSON 문자열로 변환한 `arguments`) |
 | 사용자 `tool_result` | `function_call_output`(`is_error` → `[tool error]` 접두사) |
-| `thinking` / `redacted_thinking` 재생 | 버려요 |
+| `thinking` / `redacted_thinking` 재생 | 서명과 비공개 페이로드를 제한된 `ocxr1` 봉투에 담은 `reasoning` 항목 |
 | Function 도구 | `{type: "function"}`(`web_search*` → `{type: "web_search"}`) |
 | `tool_choice` | `auto`→`auto`, `none`→`none`, `any`→`required`, 이름 지정 함수→`{type:"function",name}`, 호스팅 WebSearch/web_search→`{type:"web_search"}` |
 | `max_tokens` | `max_output_tokens` |
@@ -422,7 +422,7 @@ role, `tool_use_id` 없는 `tool_result`, id/name 없는 `tool_use`, name 없는
 | `response.created` | `message_start` + `ping` |
 | Heartbeat | `ping` |
 | 텍스트 delta | `content_block_start` → `content_block_delta`(text) → `content_block_stop` |
-| 추론 요약/텍스트 | 합성 signature가 있는 `thinking` 블록 |
+| 추론 요약/텍스트 | 재생된 서명 또는 제한된 `ocxr1` 폴백이 있는 `thinking` 블록 |
 | Function-call 프레임 | `input_json_delta`가 있는 `tool_use` 블록 |
 | 종료 이벤트 | `message_delta` → `message_stop` |
 | 종료 전에 EOF | 502 형식 `api_error` |

docs-site/src/content/docs/ru/guides/claude-code.md

@@ -393,7 +393,7 @@ Claude Code — это лишь учётные данные для доступ
 | Текст ассистента | `output_text` |
 | `tool_use` ассистента | `function_call` (`input` → `arguments` в виде JSON-строки) |
 | `tool_result` пользователя | `function_call_output` (`is_error` → префикс `[tool error]`) |
-| Повтор `thinking` / `redacted_thinking` | Отбрасывается |
+| Повтор `thinking` / `redacted_thinking` | Элементы `reasoning` с ограниченными конвертами `ocxr1` для подписей и скрытых данных |
 | Function-инструменты | `{type: "function"}` (`web_search*` → `{type: "web_search"}`) |
 | `tool_choice` | `auto`→`auto`, `none`→`none`, `any`→`required`, именованная функция→`{type:"function",name}`, размещённый WebSearch/web_search→`{type:"web_search"}` |
 | `max_tokens` | `max_output_tokens` |
@@ -410,7 +410,7 @@ id/name; именованный `tool_choice` без имени.
 | `response.created` | `message_start` + `ping` |
 | Heartbeat | `ping` |
 | Текстовые дельты | `content_block_start` → `content_block_delta` (text) → `content_block_stop` |
-| Резюме/текст рассуждений | Блок `thinking` с синтетической подписью |
+| Резюме/текст рассуждений | Блок `thinking` с повторно переданной подписью или ограниченным резервным конвертом `ocxr1` |
 | Кадры function-call | Блок `tool_use` с `input_json_delta` |
 | Завершающее событие | `message_delta` → `message_stop` |
 | EOF до завершающего события | `api_error` в стиле 502 |

docs-site/src/content/docs/tr/guides/claude-code.md

@@ -582,7 +582,7 @@ dönüştürür:
 | Asistan metni | `output_text` |
 | Asistan `tool_use` | `function_call` (`input` → JSON dizgeleştirilmiş `arguments`) |
 | Kullanıcı `tool_result` | `function_call_output` (`is_error` → `[tool error]` öneki) |
-| `thinking` / `redacted_thinking` tekrarı | Bırakılır |
+| `thinking` / `redacted_thinking` tekrarı | İmzaları ve gizli yükleri sınırlı `ocxr1` zarflarında taşıyan `reasoning` öğeleri |
 | Fonksiyon araçları | `{type: "function"}` (`web_search*` → `{type: "web_search"}`) |
 | `tool_choice` | `auto`→`auto`, `none`→`none`, `any`→`required`, adlandırılmış fonksiyon→`{type:"function",name}`, barındırılan WebSearch/web_search→`{type:"web_search"}` |
 | `max_tokens` | `max_output_tokens` |
@@ -599,7 +599,7 @@ kimlik/ad içermeyen `tool_use`; ad içermeyen adlandırılmış `tool_choice`.
 | `response.created` | `message_start` + `ping` |
 | Kalp atışı (Heartbeat) | `ping` |
 | Metin farkları | `content_block_start` → `content_block_delta` (metin) → `content_block_stop` |
-| Akıl yürütme özeti/metni | Sentetik imzalı `thinking` bloğu |
+| Akıl yürütme özeti/metni | Tekrarlanan imzayı veya sınırlı bir `ocxr1` yedeğini taşıyan `thinking` bloğu |
 | Fonksiyon çağrısı çerçeveleri | `input_json_delta` ile `tool_use` bloğu |
 | Terminal olayı | `message_delta` → `message_stop` |
 | Terminalden önce EOF | 502 tarzı `api_error` |

docs-site/src/content/docs/zh-cn/guides/claude-code.md

@@ -344,7 +344,7 @@ Claude Code 的 `/effort` 设置会完整保留并传递给适配器：
 | Assistant 文本 | `output_text` |
 | Assistant `tool_use` | `function_call`（`input` → JSON 字符串化的 `arguments`） |
 | 用户 `tool_result` | `function_call_output`（`is_error` → `[tool error]` 前缀） |
-| 重放 `thinking` / `redacted_thinking` | 丢弃 |
+| 重放 `thinking` / `redacted_thinking` | `reasoning` 项；签名和脱敏载荷保存在有界 `ocxr1` 信封中 |
 | Function 工具 | `{type: "function"}`（`web_search*` → `{type: "web_search"}`） |
 | `tool_choice` | `auto`→`auto`，`none`→`none`，`any`→`required`，指定函数→`{type:"function",name}`，托管 WebSearch/web_search→`{type:"web_search"}` |
 | `max_tokens` | `max_output_tokens` |
@@ -361,7 +361,7 @@ role；`tool_result` 缺少 `tool_use_id`；`tool_use` 缺少 id/name；指定
 | `response.created` | `message_start` + `ping` |
 | 心跳 | `ping` |
 | 文本增量 | `content_block_start` → `content_block_delta`（文本）→ `content_block_stop` |
-| 推理摘要/文本 | 带合成签名的 `thinking` 块 |
+| 推理摘要/文本 | 带重放签名或有界 `ocxr1` 回退信封的 `thinking` 块 |
 | Function-call 帧 | 带 `input_json_delta` 的 `tool_use` 块 |
 | 终止事件 | `message_delta` → `message_stop` |
 | 在终止事件前 EOF | 502 风格的 `api_error` |

docs-site/src/content/docs/zh-tw/guides/claude-code.md

@@ -420,7 +420,7 @@ Claude Code 的 `/effort` 設定會完整保留並傳遞給適配器：
 | Assistant 文字 | `output_text` |
 | Assistant `tool_use` | `function_call`（`input` → JSON 字串化的 `arguments`） |
 | 使用者 `tool_result` | `function_call_output`（`is_error` → `[tool error]` 字首） |
-| 重放 `thinking` / `redacted_thinking` | 丟棄 |
+| 重放 `thinking` / `redacted_thinking` | `reasoning` 項目；簽名與遮蔽載荷保存在有界 `ocxr1` 信封中 |
 | Function 工具 | `{type: "function"}`（`web_search*` → `{type: "web_search"}`） |
 | `tool_choice` | `auto`→`auto`，`none`→`none`，`any`→`required`，指定名稱 function→`{type:"function",name}`，hosted WebSearch/web_search→`{type:"web_search"}` |
 | `max_tokens` | `max_output_tokens` |
@@ -437,7 +437,7 @@ role；`tool_result` 缺少 `tool_use_id`；`tool_use` 缺少 id/name；指定
 | `response.created` | `message_start` + `ping` |
 | 心跳 | `ping` |
 | 文字增量 | `content_block_start` → `content_block_delta`（文字）→ `content_block_stop` |
-| 推理摘要/文字 | 帶合成簽名的 `thinking` 塊 |
+| 推理摘要/文字 | 帶重播簽名或有界 `ocxr1` 備援信封的 `thinking` 塊 |
 | Function-call 幀 | 帶 `input_json_delta` 的 `tool_use` 塊 |
 | 終止事件 | `message_delta` → `message_stop` |
 | 在終止事件前 EOF | 502 風格的 `api_error` |

scripts/test-layout/layout.json

@@ -312,6 +312,7 @@
     "claude-outbound.test.ts": "claude-integration",
     "claude-shell-hook.test.ts": "claude-integration",
     "claude-sidecar-override.test.ts": "claude-integration",
+    "claude-source-envelope.test.ts": "claude-integration",
     "claude-system-env-auto.test.ts": "claude-integration",
     "cleanup-orphaned-workflows.test.ts": "ci-workflows",
     "clearable-deadline.test.ts": "lib",
@@ -999,6 +1000,7 @@
     "rate-limit-reset-credits.test.ts": "gui",
     "rate-limit-retry.test.ts": "providers",
     "reasoning-effort.test.ts": "codex-integration",
+    "reasoning-envelope.test.ts": "responses",
     "reasoning-replay-identity.test.ts": "adapters",
     "reasoning-replay-robustness.test.ts": "adapters",
     "reasoning-replay-scope-source.test.ts": "lib",

src/claude/inbound.ts

@@ -4,8 +4,8 @@
  * Design (devlog/260711_claude_inbound/010, 003_evidence.md):
  *  - translate-and-replay: the produced body MUST pass the real responsesRequestSchema
  *    parse so routing/OAuth/pool/failover are inherited unchanged.
- *  - thinking/redacted_thinking blocks on replay are DROPPED (v1 policy) — routed
- *    providers carry reasoning in Responses items/ocxr1 envelopes instead.
+ *  - thinking/redacted_thinking replay is preserved in Responses reasoning items;
+ *    signatures and redacted payloads travel in bounded ocxr1 envelopes.
  *  - thinking.budget_tokens is NEVER forwarded raw; it maps to an effort tier.
  *  - top_k is accepted and silently dropped (no Responses equivalent, CCR parity).
  */
@@ -17,6 +17,7 @@ export { resolveInboundModel, effortForThinkingBudget, effortFromOutputConfig, e
 import { AnthropicRequestError, isRec, type Rec } from "./inbound-records";
 import { resolveInboundModel, effortForThinkingBudget, effortFromOutputConfig, formatFromOutputConfig } from "./inbound-model-options";
 import { systemToInstructions, toolsToResponses, toolChoiceToResponses } from "./inbound-content-options";
+import { decodeReasoningEnvelope, encodeReasoningEnvelope, OCX_REASONING_PREFIX } from "../responses/reasoning-envelope";
 
 
 
@@ -234,9 +235,26 @@ function assistantMessageToItems(content: unknown, input: Rec[]): void {
         input.push({ type: "function_call", call_id: raw.id, name: raw.name, arguments: JSON.stringify(raw.input ?? {}) });
         break;
       }
-      case "thinking":
-      case "redacted_thinking":
-        break; // v1 policy: dropped on replay (003 evidence — safe for routed providers)
+      case "thinking": {
+        flush();
+        const thinking = typeof raw.thinking === "string" ? raw.thinking : "";
+        const signature = typeof raw.signature === "string" ? raw.signature : "";
+        if (signature.startsWith(OCX_REASONING_PREFIX)) {
+          const owned = decodeReasoningEnvelope(signature);
+          if (!owned) throw new AnthropicRequestError("malformed ocxr1 reasoning signature");
+          if (Object.hasOwn(owned, "sig")) throw new AnthropicRequestError("OpenCodex reasoning continuity cannot be replayed as an Anthropic signature");
+        }
+        const encrypted = signature.length === 0 ? undefined : signature.startsWith(OCX_REASONING_PREFIX) ? signature : encodeReasoningEnvelope({ sig: signature });
+        if (thinking.length === 0 && !encrypted) break;
+        input.push({ type: "reasoning", id: `rs_${crypto.randomUUID().replace(/-/g, "")}`, summary: thinking.length > 0 ? [{ type: "summary_text", text: thinking }] : [], ...(encrypted ? { encrypted_content: encrypted } : {}) });
+        break;
+      }
+      case "redacted_thinking": {
+        flush();
+        const data = typeof raw.data === "string" ? raw.data : "";
+        if (data.length > 0) input.push({ type: "reasoning", id: `rs_${crypto.randomUUID().replace(/-/g, "")}`, summary: [], encrypted_content: encodeReasoningEnvelope({ red: [data] }) });
+        break;
+      }
       default:
         break;
     }