{"ok": true, "usage": "图搜收货核对服务已运行。手机端手动触发页：?mode=ui&k=你的密钥；自检：?mode=health / ?mode=selftest；业务调用请 POST ?mode=recognize 并带 {\"record_id\":\"recXXX\"}", "modes": ["ui", "health", "selftest", "recognize", "poll", "feedback", "img", "reconcile", "audit", "summary", "dedupe", "recount", "sync"]}