{"service":"客服预约 API","version":"0.2.0","auth_model":"user_access_token","endpoints":["GET  /api/availability?date=YYYY-MM-DD&staff_id=xxx","POST /api/book","GET  /api/bookings?date=YYYY-MM-DD","POST /api/staff/invite","GET  /api/staff/list","POST /api/staff/remove","GET  /api/auth/callback (OAuth)"]}