{"name":"小程序上传 + 加密同步 API","status":"running","endpoints":{"health":"GET    /api/health","upload":"POST   /api/upload          (multipart/form-data, 字段名 files)","data":"POST   /api/data            (application/json)","file":"GET    /api/files/:date/:filename","authLogin":"POST   /api/auth/login      ({ code })","recordsUpload":"POST   /api/records/upload  ({ clientRecordId, data, signature? })  [JWT]","recordsSync":"GET    /api/records/sync?since=<ms>                                 [JWT]","recordsDelete":"POST   /api/records/delete  ({ clientRecordIds: string[] })         [JWT]","userData":"DELETE /api/user/data                                                [JWT]"}}