Merge pull request 'Enhance FCM token retrieval with error handling in AuthService' (#188) from fcm_token_error into main

Reviewed-on: https://repo.ravanertebat.com/TM/tm_app/pulls/188

lib/data/services/auth_service.dart

@@ -25,13 +25,21 @@ class AuthService {
     required String username,
     required String password,
   }) async {
-    //get device fcm token
+    //get device fcm token with error handling
+    String fcmToken = '';
+    try {
       final FirebaseMessaging firebaseMessaging = FirebaseMessaging.instance;
-    final fcmToken = await firebaseMessaging.getToken();
+      fcmToken = await firebaseMessaging.getToken() ?? '';
+      AppLogger().info('📱 FCM Token retrieved successfully');
+    } catch (e) {
+      AppLogger().error('❌ Failed to get FCM token: $e');
+      fcmToken = '';
+    }
+
     var data = jsonEncode({
       "password": password,
       "username": username,
-      "device_token": fcmToken ?? '',
+      "device_token": fcmToken,
     });
 
     final result = await _networkManager.makeRequest(