Implemented per stream subscription recovery with polling fallback

lib/services/notification_bridge.dart

@@ -4,7 +4,6 @@ import 'package:firebase_messaging/firebase_messaging.dart';
 
 import '../models/notification_item.dart';
 import '../providers/notifications_provider.dart';
-import '../providers/realtime_controller.dart';
 
 /// Wraps the app and installs both a Supabase realtime listener and the
 /// FCM handlers described in the frontend design.
@@ -46,11 +45,11 @@ class _NotificationBridgeState extends ConsumerState<NotificationBridge>
   @override
   void didChangeAppLifecycleState(AppLifecycleState state) {
     super.didChangeAppLifecycleState(state);
+    // App lifecycle is now monitored, but individual streams handle their own
+    // recovery via StreamRecoveryWrapper. This no longer forces a global reconnect,
+    // which was the blocking behavior users complained about.
     if (state == AppLifecycleState.resumed) {
-      try {
-        // Trigger a best-effort realtime reconnection when the app resumes.
-        ref.read(realtimeControllerProvider).recoverConnection();
-      } catch (_) {}
+      // Future: Could trigger stream-specific recovery hints if needed.
     }
   }