feat: implement Stripe checkout flow, update profile settings UI for subscriptions, and add agent profile editing.

lib/core/services/push_notification_service.dart

@@ -19,9 +19,8 @@ class PushNotificationService {
   factory PushNotificationService() => _instance;
   PushNotificationService._internal();
 
-  final FirebaseMessaging _messaging = FirebaseMessaging.instance;
-  final FlutterLocalNotificationsPlugin _localNotifications =
-      FlutterLocalNotificationsPlugin();
+  FirebaseMessaging? _messaging;
+  FlutterLocalNotificationsPlugin? _localNotifications;
   final NotificationRepository _repo = NotificationRepository();
 
   String? _currentToken;
@@ -31,15 +30,26 @@ class PushNotificationService {
   void Function(String? actionUrl)? onNotificationTap;
 
   /// Initialize Firebase Messaging and local notifications.
+  /// Skipped on iOS until Firebase iOS app is configured.
   Future<void> initialize() async {
     if (_initialized) return;
+
+    // Skip on iOS — no Firebase iOS app configured yet
+    if (Platform.isIOS) {
+      debugPrint('[FCM] Skipped on iOS — no Firebase iOS app configured');
+      return;
+    }
+
     _initialized = true;
 
+    _messaging = FirebaseMessaging.instance;
+    _localNotifications = FlutterLocalNotificationsPlugin();
+
     // Register background handler
     FirebaseMessaging.onBackgroundMessage(_firebaseMessagingBackgroundHandler);
 
     // Request permission
-    final settings = await _messaging.requestPermission(
+    final settings = await _messaging!.requestPermission(
       alert: true,
       badge: true,
       sound: true,
@@ -58,7 +68,7 @@ class PushNotificationService {
     await _getAndRegisterToken();
 
     // Listen for token refresh
-    _messaging.onTokenRefresh.listen(_onTokenRefresh);
+    _messaging!.onTokenRefresh.listen(_onTokenRefresh);
 
     // Handle foreground messages
     FirebaseMessaging.onMessage.listen(_onForegroundMessage);
@@ -67,14 +77,14 @@ class PushNotificationService {
     FirebaseMessaging.onMessageOpenedApp.listen(_onMessageOpenedApp);
 
     // Check if app was opened from a terminated state notification
-    final initialMessage = await _messaging.getInitialMessage();
+    final initialMessage = await _messaging!.getInitialMessage();
     if (initialMessage != null) {
       _onMessageOpenedApp(initialMessage);
     }
 
     // iOS: set foreground notification presentation options
     if (Platform.isIOS) {
-      await _messaging.setForegroundNotificationPresentationOptions(
+      await _messaging!.setForegroundNotificationPresentationOptions(
         alert: true,
         badge: true,
         sound: true,
@@ -90,7 +100,7 @@ class PushNotificationService {
       importance: Importance.high,
     );
 
-    await _localNotifications
+    await _localNotifications!
         .resolvePlatformSpecificImplementation<
             AndroidFlutterLocalNotificationsPlugin>()
         ?.createNotificationChannel(androidChannel);
@@ -103,7 +113,7 @@ class PushNotificationService {
       requestSoundPermission: false,
     );
 
-    await _localNotifications.initialize(
+    await _localNotifications!.initialize(
       const InitializationSettings(
         android: androidSettings,
         iOS: iosSettings,
@@ -117,7 +127,7 @@ class PushNotificationService {
 
   Future<void> _getAndRegisterToken() async {
     try {
-      final token = await _messaging.getToken();
+      final token = await _messaging!.getToken();
       if (token != null) {
         _currentToken = token;
         debugPrint('[FCM] Token: $token');
@@ -151,7 +161,7 @@ class PushNotificationService {
 
     // Show local notification on Android (iOS handles it natively)
     if (Platform.isAndroid) {
-      _localNotifications.show(
+      _localNotifications?.show(
         notification.hashCode,
         notification.title,
         notification.body,
@@ -178,7 +188,7 @@ class PushNotificationService {
 
   /// Unregister FCM token from backend (call on logout).
   Future<void> unregister() async {
-    if (_currentToken == null) return;
+    if (Platform.isIOS || _currentToken == null) return;
     try {
       await _repo.removeFcmToken(_currentToken!);
       debugPrint('[FCM] Token unregistered from backend');
@@ -190,6 +200,7 @@ class PushNotificationService {
 
   /// Re-register token after login.
   Future<void> registerAfterLogin() async {
+    if (Platform.isIOS) return;
     await _getAndRegisterToken();
   }
 }