scene=点位编号。打卡:POST /api/patrol/checkin {"point_id":"P01"}
看板:GET /api/patrol?month=YYYY-MM
点位:GET /api/patrol/points
QA: GET /api/patrol/qa?status=&month=
POST /api/patrol/qa/add {point_id,item,desc,photos:[b64]}
POST /api/patrol/qa/claim {id}
POST /api/patrol/qa/fix {id,fix_desc,photos:[b64]}
POST /api/patrol/qa/accept {id} 验收通过
POST /api/patrol/qa/reject {id,note} 退回重做
POST /api/patrol/qa/del {id}
GET /api/patrol/qa/photo?id=&kind=before|after&i=