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268 lines
10 KiB
Markdown
268 lines
10 KiB
Markdown
# 消息管理 API
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[返回目录](./README.md)
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| 方法 | 路径 | 描述 |
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| ------ | ---------------------------- | ------------------------ |
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| GET | `/messages/:session_id/load` | 获取最近的会话消息列表 |
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| DELETE | `/messages/:session_id/:id` | 删除消息 |
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| POST | `/messages/search` | 搜索历史对话 |
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| GET | `/messages/chat-history-stats` | 获取聊天历史知识库统计 |
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## GET `/messages/:session_id/load` - 获取最近的会话消息列表
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**查询参数**:
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- `before_time`: 上一次拉取的最早一条消息的 created_at 字段，为空拉取最近的消息
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- `limit`: 每页条数(默认 20)
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- `resource_urls`: `handle`（默认）或 `public`。`public` 把历史消息里的 `resource://` 图片引用换成可加载的 http(s) 链接，详见[文件与图片引用](./README.md#文件与图片引用resource-与直链)
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**请求**:
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```curl
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curl --location --request GET 'http://localhost:8080/api/v1/messages/ceb9babb-1e30-41d7-817d-fd584954304b/load?limit=3&before_time=2030-08-12T14%3A35%3A42.123456789Z' \
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--header 'X-API-Key: sk-xxxxx' \
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--header 'Content-Type: application/json' \
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--data '{
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"query": "彗尾的形状"
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}'
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```
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**响应**:
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```json
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{
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"data": [
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{
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"id": "b8b90eeb-7dd5-4cf9-81c6-5ebcbd759451",
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"session_id": "ceb9babb-1e30-41d7-817d-fd584954304b",
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"request_id": "hCA8SDjxcAvv",
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"content": "<think>\n好的",
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"role": "assistant",
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"knowledge_references": [
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{
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"id": "c8347bef-127f-4a22-b962-edf5a75386ec",
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"content": "彗星xxx",
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"knowledge_id": "a6790b93-4700-4676-bd48-0d4804e1456b",
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"chunk_index": 0,
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"knowledge_title": "彗星.txt",
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"start_at": 0,
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"end_at": 2760,
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"seq": 0,
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"score": 4.038836479187012,
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"match_type": 4,
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"sub_chunk_id": [
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"688821f0-40bf-428e-8cb6-541531ebeb76",
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"c1e9903e-2b4d-4281-be15-0149288d45c2",
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"7d955251-3f79-4fd5-a6aa-02f81e044091"
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],
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"metadata": {},
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"chunk_type": "text",
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"parent_chunk_id": "",
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"image_info": "",
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"knowledge_filename": "彗星.txt",
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"knowledge_source": ""
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},
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{
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"id": "fa3aadee-cadb-4a84-9941-c839edc3e626",
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"content": "# 文档名称\n彗星.txt\n\n# 摘要\n彗星是由冰和尘埃构成的太阳系小天体，接近太阳时会释放气体形成彗发和彗尾。其轨道周期差异大，来源包括柯伊伯带和奥尔特云。彗星与小行星的区别逐渐模糊，部分彗星已失去挥发物质，类似小行星。目前已知彗星数量众多，且存在系外彗星。彗星在古代被视为凶兆，现代研究揭示其复杂结构与起源。",
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"knowledge_id": "a6790b93-4700-4676-bd48-0d4804e1456b",
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"chunk_index": 6,
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"knowledge_title": "彗星.txt",
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"start_at": 0,
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"end_at": 0,
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"seq": 6,
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"score": 0.6131043121858466,
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"match_type": 0,
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"sub_chunk_id": null,
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"metadata": {},
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"chunk_type": "summary",
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"parent_chunk_id": "c8347bef-127f-4a22-b962-edf5a75386ec",
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"image_info": "",
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"knowledge_filename": "彗星.txt",
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"knowledge_source": ""
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}
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],
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"agent_steps": [],
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"is_completed": true,
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"is_fallback": false,
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"agent_duration_ms": 2500,
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"channel": "web",
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"created_at": "2025-08-12T10:24:38.370548+08:00",
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"updated_at": "2025-08-12T10:25:40.416382+08:00",
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"deleted_at": null
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},
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{
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"id": "7fa136ae-a045-424e-baac-52113d92ae94",
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"session_id": "ceb9babb-1e30-41d7-817d-fd584954304b",
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"request_id": "3475c004-0ada-4306-9d30-d7f5efce50d2",
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"content": "彗尾的形状",
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"role": "user",
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"knowledge_references": [],
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"agent_steps": [],
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"is_completed": true,
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"mentioned_items": [],
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"images": [],
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"channel": "web",
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"created_at": "2025-08-12T14:30:39.732246+08:00",
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"updated_at": "2025-08-12T14:30:39.733277+08:00",
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"deleted_at": null
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},
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{
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"id": "9bcafbcf-a758-40af-a9a3-c4d8e0f49439",
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"session_id": "ceb9babb-1e30-41d7-817d-fd584954304b",
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"request_id": "3475c004-0ada-4306-9d30-d7f5efce50d2",
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"content": "<think>\n好的",
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"role": "assistant",
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"knowledge_references": [
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{
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"id": "c8347bef-127f-4a22-b962-edf5a75386ec",
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"content": "彗星xxx",
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"knowledge_id": "a6790b93-4700-4676-bd48-0d4804e1456b",
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"chunk_index": 0,
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"knowledge_title": "彗星.txt",
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"start_at": 0,
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"end_at": 2760,
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"seq": 0,
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"score": 4.038836479187012,
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"match_type": 3,
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"sub_chunk_id": [
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"688821f0-40bf-428e-8cb6-541531ebeb76",
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"c1e9903e-2b4d-4281-be15-0149288d45c2",
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"7d955251-3f79-4fd5-a6aa-02f81e044091"
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],
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"metadata": {},
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"chunk_type": "text",
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"parent_chunk_id": "",
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"image_info": "",
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"knowledge_filename": "彗星.txt",
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"knowledge_source": ""
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},
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{
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"id": "fa3aadee-cadb-4a84-9941-c839edc3e626",
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"content": "# 文档名称\n彗星.txt\n\n# 摘要\n彗星是由冰和尘埃构成的太阳系小天体，接近太阳时会释放气体形成彗发和彗尾。其轨道周期差异大，来源包括柯伊伯带和奥尔特云。彗星与小行星的区别逐渐模糊，部分彗星已失去挥发物质，类似小行星。目前已知彗星数量众多，且存在系外彗星。彗星在古代被视为凶兆，现代研究揭示其复杂结构与起源。",
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"knowledge_id": "a6790b93-4700-4676-bd48-0d4804e1456b",
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"chunk_index": 6,
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"knowledge_title": "彗星.txt",
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"start_at": 0,
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"end_at": 0,
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"seq": 6,
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"score": 0.6131043121858466,
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"match_type": 3,
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"sub_chunk_id": null,
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"metadata": {},
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"chunk_type": "summary",
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"parent_chunk_id": "c8347bef-127f-4a22-b962-edf5a75386ec",
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"image_info": "",
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"knowledge_filename": "彗星.txt",
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"knowledge_source": ""
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}
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],
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"agent_steps": [],
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"is_completed": true,
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"is_fallback": false,
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"agent_duration_ms": 2500,
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"channel": "web",
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"created_at": "2025-08-12T14:30:39.735108+08:00",
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"updated_at": "2025-08-12T14:31:17.829926+08:00",
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"deleted_at": null
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}
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],
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"success": true
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}
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```
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## DELETE `/messages/:session_id/:id` - 删除消息
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**请求**:
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```curl
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curl --location --request DELETE 'http://localhost:8080/api/v1/messages/ceb9babb-1e30-41d7-817d-fd584954304b/9bcafbcf-a758-40af-a9a3-c4d8e0f49439' \
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--header 'X-API-Key: sk-xxxxx' \
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--header 'Content-Type: application/json'
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```
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**响应**:
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```json
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{
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"message": "Message deleted successfully",
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"success": true
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}
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```
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## POST `/messages/search` - 搜索历史对话
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搜索历史对话消息，支持混合搜索、关键词搜索和向量搜索模式。
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**请求参数**:
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- `query`: 搜索关键词（必填）
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- `mode`: 搜索模式，可选 `hybrid`、`keyword`、`vector`（可选，默认 `hybrid`）
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- `limit`: 返回结果数量（可选，默认 20）
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- `session_ids`: 限定搜索的会话ID列表（可选）
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**请求**:
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```curl
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curl --location 'http://localhost:8080/api/v1/messages/search' \
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--header 'X-API-Key: sk-xxxxx' \
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--header 'Content-Type: application/json' \
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--data '{
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"query": "彗星的结构",
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"mode": "hybrid",
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"limit": 20,
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"session_ids": []
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}'
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```
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**响应**:
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```json
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{
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"data": {
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"items": [
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{
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"request_id": "3475c004-0ada-4306-9d30-d7f5efce50d2",
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"session_id": "ceb9babb-1e30-41d7-817d-fd584954304b",
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"session_title": "彗星知识问答",
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"query_content": "彗尾的形状",
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"answer_content": "彗尾的形状主要取决于...",
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"score": 0.85,
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"match_type": "hybrid",
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"created_at": "2025-08-12T14:30:39.732246+08:00"
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}
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],
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"total": 1
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},
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"success": true
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}
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```
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## GET `/messages/chat-history-stats` - 获取聊天历史知识库统计
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获取当前空间的聊天历史知识库索引统计信息。
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**请求**:
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```curl
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curl --location 'http://localhost:8080/api/v1/messages/chat-history-stats' \
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--header 'X-API-Key: sk-xxxxx' \
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--header 'Content-Type: application/json'
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```
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**响应**:
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```json
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{
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"data": {
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"enabled": true,
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"embedding_model_id": "dff7bc94-7885-4dd1-bfd5-bd96e4df2fc3",
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"knowledge_base_id": "kb-chat-00000001",
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"knowledge_base_name": "聊天历史知识库",
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"indexed_message_count": 1024,
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"has_indexed_messages": true
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},
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"success": true
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}
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```
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