Allow OS notifications

lib/main.dart

@@ -7,6 +7,8 @@ import 'package:flutter_dotenv/flutter_dotenv.dart';
 import 'app.dart';
 import 'providers/notifications_provider.dart';
 import 'utils/app_time.dart';
+import 'utils/notification_permission.dart';
+import 'services/notification_service.dart';
 
 Future<void> main() async {
   WidgetsFlutterBinding.ensureInitialized();
@@ -25,6 +27,29 @@ Future<void> main() async {
 
   await Supabase.initialize(url: supabaseUrl, anonKey: supabaseAnonKey);
 
+  // on Android 13+ we must request POST_NOTIFICATIONS at runtime; without it
+  // notifications are automatically denied and cannot be re‑enabled from the
+  // system settings.  The helper uses `permission_handler`.
+  final granted = await ensureNotificationPermission();
+  if (!granted) {
+    // we don’t block startup, but it’s worth logging so developers notice.  A
+    // real app might show a dialog pointing the user to settings.
+    // debugPrint('notification permission not granted');
+  }
+
+  // initialize the local notifications plugin so we can post alerts later
+  await NotificationService.initialize(
+    onDidReceiveNotificationResponse: (response) {
+      // handle user tapping a notification; the payload format is up to us
+      final payload = response.payload;
+      if (payload != null && payload.startsWith('ticket:')) {
+        // ignore if context not mounted; we might use a navigator key in real
+        // app, but keep this simple for now
+        // TODO: navigate to ticket/task as appropriate
+      }
+    },
+  );
+
   runApp(
     ProviderScope(
       observers: [NotificationSoundObserver()],
@@ -48,6 +73,12 @@ class NotificationSoundObserver extends ProviderObserver {
       final next = newValue as int?;
       if (prev != null && next != null && next > prev) {
         _player.play(AssetSource('tasq_notification.wav'));
+        // also post a system notification so the user sees it outside the app
+        NotificationService.show(
+          id: DateTime.now().millisecondsSinceEpoch ~/ 1000,
+          title: 'New notifications',
+          body: 'You have $next unread notifications.',
+        );
       }
     }
   }