{"message":"FAR20-S小料智能问答系统API","version":"1.0.0","status":"running","docs":"/docs","endpoints":{"POST /api/query":"问答接口（SSE流式响应）","POST /api/ai/query/stream":"AI问答接口（SSE流式响应，包含用户信息）","POST /api/retrieve":"文档检索接口","POST /api/rebuild":"重建向量库","DELETE /api/cache":"清空缓存","GET /api/system/info":"系统信息","GET /health":"健康检查"}}