=== Debug FCM Token & Notification Issues ===

Users with FCM tokens:
- User ID: 4
  Name: Adang Test Worker 1
  Email: fathur.jtk09@gmail.com
  FCM Token: eafqdCZqRwCF2fkq0Ol-ol:APA91bE...
  Token Length: 142

- User ID: 5
  Name: Harta
  Email: hartanto.aulianet@gmail.com
  FCM Token: cD_SYtBCSD67rvQG1KoiWx:APA91bE...
  Token Length: 142

- User ID: 9
  Name: Tanto
  Email: hartan000to710@gmail.com
  FCM Token: ...
  Token Length: 0

- User ID: 19
  Name: PAIJO
  Email: paijo@gmail.com
  FCM Token: erOIHF2GSE-ytnCcdBA7f7:APA91bG...
  Token Length: 142

=== Target Receiver (User ID 1) ===
Name: Mei
Email: mei@gmail.com
Has FCM Token: NO

=== Testing Firebase Service ===

=== Debug Tips ===
1. Check if FCM token is valid and recent
2. Verify Firebase project configuration
3. Check if device is actually connected and can receive notifications
4. Look at Laravel logs for detailed error messages