[2026-10-08 21:59:12] production.INFO: FCM: Sending notification for online order {"restaurant_id":1,"order_id":3766,"eligible_staff_count":1} 
[2026-10-08 21:59:12] production.INFO: FCM notification via Firebase Admin SDK {"order_id":3766,"success":false,"method":"Firebase Admin SDK v1"} 
[2026-10-08 21:59:12] production.ERROR: FCM notification failed for staff {"user_id":1,"user_name":"Kamlesh","error":"NotRegistered","fcm_response":[]} 
[2026-10-08 21:59:12] production.INFO: FCM notification sent for online order {"order_id":3766,"order_source":"online"}