docs: 更新 README.md 和 IMAGE_API_GUIDE.md
README.md: - 新增企业微信机器人功能说明(搜索/图片入库/集成启动) - 新增图片去重和管理功能说明 - 新增可配置参数说明 - 更新 API 概览(删除/去重/机器人管理接口) - 更新项目结构和技术栈 IMAGE_API_GUIDE.md: - 新增删除图片接口文档 - 新增一键去重接口文档 - 新增企业微信机器人相关接口文档 - 更新上传接口返回格式(含 duplicate 状态) - 更新注意事项(去重/删除相关)
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@@ -20,8 +20,10 @@ BASE_URL = http://localhost:8765
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| POST | `/batch-recognize` | 批量上传并识别 | multipart/form-data |
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| POST | `/import-paths` | 从服务器路径导入 | JSON |
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| GET | `/search` | AI 搜索图片(SSE 流式) | query params |
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| GET | `/{image_id}` | 获取单张图片详情 | path param |
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| GET | `` | 获取图片列表(分页) | query params |
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| GET | `/{image_id}` | 获取单张图片详情 | path param |
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| DELETE | `/{image_id}` | 删除图片 | path param |
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| POST | `/dedup` | 一键去重 | 无 |
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---
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@@ -42,6 +44,8 @@ Content-Type: multipart/form-data
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### 返回
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**正常识别:**
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```json
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{
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"id": 386,
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@@ -58,6 +62,21 @@ Content-Type: multipart/form-data
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}
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```
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**内容重复(自动去重):**
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```json
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{
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"id": 386,
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"file_path": "data/images/test.png",
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"original_filename": "test.png",
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"status": "duplicate",
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"duplicate_of": 100,
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"ocr_text": "识别出的文字内容..."
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}
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```
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> `duplicate_of` 指向数据库中已存在的相同内容记录 ID。
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### Python 调用示例
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```python
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@@ -70,7 +89,10 @@ async def recognize_image(file_path: str) -> dict:
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f"{BASE_URL}/api/v1/images/recognize-direct",
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files={"file": (file_path, f)}
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)
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return resp.json()
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result = resp.json()
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if result.get("status") == "duplicate":
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print(f"内容已存在,重复于 ID: {result['duplicate_of']}")
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return result
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```
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---
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@@ -96,7 +118,8 @@ Content-Type: multipart/form-data
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{
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"total": 3,
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"success": 2,
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"failed": 1,
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"failed": 0,
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"duplicates": 1,
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"results": [
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{
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"id": 387,
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@@ -110,8 +133,15 @@ Content-Type: multipart/form-data
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},
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{
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"id": 388,
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"filename": "img2.jpg",
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"file_path": "data/images/img2.jpg",
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"filename": "img2.png",
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"status": "duplicate",
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"duplicate_of": 100,
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"ocr_text": "重复内容..."
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},
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{
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"id": 389,
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"filename": "img3.jpg",
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"file_path": "data/images/img3.jpg",
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"status": "failed",
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"message": "OCR 识别失败: ..."
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}
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@@ -160,7 +190,7 @@ GET /api/v1/images/search?keyword=搜索词&limit=5&sort=time_desc
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| 参数 | 类型 | 必填 | 默认值 | 说明 |
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|------|------|------|--------|------|
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| keyword | string | 是 | - | 搜索关键词 |
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| limit | int | 否 | 5 | 最多返回多少条匹配结果 |
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| limit | int | 否 | 3 | 最多返回多少条匹配结果(可在设置中配置默认值) |
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| sort | string | 否 | time_desc | 排序方式:`time_desc`(时间倒序)、`time_asc`(时间正序)、`random`(随机) |
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### 搜索原理
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@@ -168,7 +198,7 @@ GET /api/v1/images/search?keyword=搜索词&limit=5&sort=time_desc
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```
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用户搜索 "孩子不想上学"
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→ 从数据库取所有已识别图片(按 sort 排序)
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→ 每批 10 张发给 MiniMax M2.7 判断是否匹配
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→ 每批 N 张发给 MiniMax M2.7 判断(N 可在设置中配置,默认 10)
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→ 并发池最多 10 个 LLM 请求同时执行
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→ 匹配结果通过 SSE 实时推送(找到就立刻返回)
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→ 找够 limit 条或遍历完所有图片后结束
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@@ -260,7 +290,7 @@ async def search_images(
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) -> AsyncGenerator[dict, None]:
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"""
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AI 搜索图片(SSE 流式)
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Yields:
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dict: 每个 SSE 事件解析后的字典
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"""
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@@ -281,23 +311,23 @@ async def search_images(
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async def demo_search():
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results = []
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async for event in search_images("孩子不想上学", limit=5):
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event_type = event.get("type")
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if event_type == "start":
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print(f"开始搜索: {event['keyword']}")
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elif event_type == "progress":
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print(f"进度: {event['checked']}/{event['total']},已找到 {event['found']} 条")
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elif event_type == "result":
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results.append(event)
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print(f"找到匹配: [{event['id']}] {event['ocr_text_preview'][:50]}")
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elif event_type == "done":
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print(f"搜索完成: 共找到 {event['total_found']} 条,检查了 {event['total_checked']} 张")
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return results
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```
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@@ -310,10 +340,10 @@ from google.adk import Tool
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class ImageSearchTool(Tool):
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"""搜索图片知识库"""
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name = "search_images"
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description = "搜索已识别的图片库,返回与查询语义相关的图片及其 Base64 数据。支持自然语言查询。"
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async def execute(self, keyword: str, limit: int = 5) -> str:
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results = []
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async for event in search_images(keyword, limit=limit):
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@@ -327,10 +357,10 @@ class ImageSearchTool(Tool):
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})
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elif event["type"] == "done":
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pass # 搜索结束
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if not results:
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return f"未找到与 '{keyword}' 相关的图片"
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# 返回 JSON,方便 Agent 后续处理(如发送到企业微信)
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return json.dumps({
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"keyword": keyword,
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@@ -413,7 +443,55 @@ GET /api/v1/images?page=1&page_size=20&status=completed
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---
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## 八、图片文件访问
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## 八、删除图片
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### 接口
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```
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DELETE /api/v1/images/{image_id}
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```
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### 返回
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成功返回 `204 No Content`。
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### 说明
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删除操作会同时清理:
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1. BM25 倒排索引中的记录
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2. 磁盘上的图片文件
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3. 数据库中的记录
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---
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## 九、一键去重
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### 接口
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```
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POST /api/v1/images/dedup
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```
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### 返回
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```json
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{
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"total_checked": 385,
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"duplicates_found": 12,
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"deleted": 12,
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"kept": 373
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}
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```
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### 说明
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- 按 OCR 识别文本精确匹配去重
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- 每组重复内容保留最早录入的记录
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- 删除操作与单条删除相同(清理索引 + 磁盘文件 + 数据库记录)
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---
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## 十、图片文件访问
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识别后的图片可通过静态文件路径访问:
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@@ -428,7 +506,51 @@ http://localhost:8765/data/images/001.png
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---
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## 九、注意事项
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## 十一、企业微信机器人相关接口
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### 获取机器人状态
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```
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GET /api/v1/settings/bot/status
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```
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```json
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{
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"enabled": true,
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"configured": true,
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"running": true,
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"bot_id": "aibPl3zE65xj..."
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}
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```
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### 重启机器人
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```
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POST /api/v1/settings/bot/restart
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```
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```json
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{
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"success": true,
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"message": "机器人已启动"
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}
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```
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### 系统设置(含机器人配置)
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```
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GET /api/v1/settings
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PUT /api/v1/settings
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```
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机器人相关字段:
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- `wework_bot_enabled` (bool): 是否启用
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- `wework_bot_id` (string): Bot ID
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- `wework_bot_secret` (string): Secret(更新时传入明文,获取时返回脱敏值)
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---
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## 十二、注意事项
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1. **搜索接口是 SSE 流式**,不能用普通的 `requests.get()` 或 `httpx.get()` 直接获取 JSON,必须用流式读取(`stream()` / `iter_lines()`)
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2. **搜索耗时较长**:385 张图片全部遍历约需 2-5 分钟,建议设置较长的超时(300 秒)
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@@ -436,3 +558,5 @@ http://localhost:8765/data/images/001.png
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4. **limit 参数控制返回数量**:找到 `limit` 条匹配后自动停止搜索
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5. **OCR 识别耗时**:单张图片约 5-15 秒,建议设置 120 秒超时
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6. **文件格式**:仅支持 .png .jpg .jpeg .bmp .webp
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7. **上传自动去重**:所有上传接口(recognize-direct、batch-recognize、import-paths)都会在 OCR 识别后检查内容是否已存在
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8. **删除不可恢复**:删除操作会同时清理索引、磁盘文件和数据库记录
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