{"service":"Stock Feed API v2","version":"2.0.0","endpoints":{"GET /health":"健康检查","GET /feed":"查询舆情数据（按日期）","GET /feed/dates":"可用日期列表","POST /feed/update":"触发数据更新","GET /feed/summary":"数据统计摘要","GET /ai/summary":"AI汇总报告","POST /ai/generate":"生成AI汇总","GET /update/logs":"更新日志"}}