[2026-10-30 07:21:40] production.INFO: FCM: Sending notification for online order {"restaurant_id":1,"order_id":3802,"eligible_staff_count":1} 
[2026-10-30 07:21:41] production.INFO: FCM notification via Firebase Admin SDK {"order_id":3802,"success":false,"method":"Firebase Admin SDK v1"} 
[2026-10-30 07:21:41] production.ERROR: FCM notification failed for staff {"user_id":1,"user_name":"Kamlesh","error":"NotRegistered","fcm_response":[]} 
[2026-10-30 07:21:41] production.INFO: FCM notification sent for online order {"order_id":3802,"order_source":"online"}