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[TASK-tsk_7d457f39abffbb7a6a2f5fcd][Account & Model Mgmt Developer] feat: 实现会话级别模型即时切换 #233

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Merged
jsyqrt merged 4 commits into from
Jul 2, 2026
Merged

[TASK-tsk_7d457f39abffbb7a6a2f5fcd][Account & Model Mgmt Developer] feat: 实现会话级别模型即时切换 #233

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bc9d125
[TASK-tsk_7d457f39abffbb7a6a2f5fcd] feat: 实现会话级别模型即时切换
jsyqrt Jul 2, 2026
a71210c
[TASK-tsk_7d457f39abffbb7a6a2f5fcd] fix: add session ownership check …
jsyqrt Jul 2, 2026
b932c5b
[TASK-tsk_7d457f39abffbb7a6a2f5fcd] test: add 6 edge-case tests for s…
jsyqrt Jul 2, 2026
650d305
[TASK-tsk_c244696c3850cdca7357da51] docs+test: 补设计文档、API文档和缺失测试 — 模型即时切换
jsyqrt Jul 2, 2026
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37 changes: 37 additions & 0 deletions docs/API.md
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Original file line number Diff line number Diff line change
Expand Up @@ -40,9 +40,46 @@ All requests require authentication via one of:
| POST | `/api/agents/:id/message` | Send message to agent (SSE streaming) |
| GET | `/api/sessions` | List conversation sessions |
| GET | `/api/sessions/:id/messages` | Get session message history |
| GET | `/api/sessions/:id/model` | Get session-level model override |
| POST | `/api/sessions/:id/model` | Set session-level model override `{ provider, model }` |
| DELETE | `/api/sessions/:id/model` | Clear session-level model override |
| GET | `/api/channels/:channel/messages` | Get channel history |
| POST | `/api/channels/:channel/messages` | Send channel message (supports SSE streaming) |

### Session Model Override

Allows switching the LLM model/provider for a specific conversation session without affecting other sessions or global routing. See [design document](design/model-switching.md) for full details.

**GET /api/sessions/:id/model** — Get current override:
```json
// 200 Response (override exists)
{ "provider": "anthropic", "model": "claude-sonnet-4-20250514", "setAt": "2026-07-02T10:30:00.000Z" }

// 200 Response (no override)
{ "provider": null, "model": null, "setAt": null }
```

**POST /api/sessions/:id/model** — Set override:
```json
// Request body
{ "provider": "anthropic", "model": "claude-sonnet-4-20250514" }

// 200 Response
{ "success": true, "provider": "anthropic", "model": "claude-sonnet-4-20250514" }
```

**DELETE /api/sessions/:id/model** — Clear override:
```json
// 204 Response (no body)
```

**Error responses:**
| Status | Description |
|--------|-------------|
| 400 | Missing `provider` or `model` (POST only) |
| 403 | Session belongs to another user (non-admin) |
| 503 | LLM router not available |

---

## Tasks
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