{"service":"MCP318 WebSocket API","version":"3.18","description":"首轮搜索(First_phase) + 多轮筛选(pg_phase) + GLM-5.2思考模式","features":["自然语言搜索","多轮筛选","GLM-5.2 思考模式（推理过程 + 最终回答）","流式输出"],"endpoints":["GET  / - 服务信息","GET  /health - 健康检查","GET  /perf - 性能监控","GET  /stats - 连接统计","POST /search - 搜索接口","POST /filtes - 二次筛选接口","WS   /ws - WebSocket连接"]}