[2026-10-11 03:18:58] production.WARNING: FCM notification failed {"fcm_token":"cD5arz8JTu-zxc16VxHZ...","error":"NotRegistered"} 
[2026-10-11 03:18:58] production.WARNING: FCM notification failed {"fcm_token":"e6hhsCKUR1CTQKN6O5cr...","error":"NotRegistered"} 
[2026-10-11 14:36:26] production.INFO: FCM: Sending notification for online order {"restaurant_id":1,"order_id":3770,"eligible_staff_count":1} 
[2026-10-11 14:36:27] production.WARNING: FCM notification failed {"fcm_token":"cD5arz8JTu-zxc16VxHZ...","error":"NotRegistered"} 
[2026-10-11 14:36:27] production.INFO: FCM notification via Firebase Admin SDK {"order_id":3770,"success":false,"method":"Firebase Admin SDK v1"} 
[2026-10-11 14:36:27] production.ERROR: FCM notification failed for staff {"user_id":1,"user_name":"Kamlesh","error":"NotRegistered","fcm_response":[]} 
[2026-10-11 14:36:27] production.INFO: FCM notification sent for online order {"order_id":3770,"order_source":"online"} 
[2026-10-11 14:36:28] production.WARNING: FCM notification failed {"fcm_token":"e6hhsCKUR1CTQKN6O5cr...","error":"NotRegistered"}