feat: Implement pending notifications screen and enhance notification handling

lib/providers/supplement_provider.dart

@@ -99,6 +99,7 @@ class SupplementProvider with ChangeNotifier {
     required int reminderRetryInterval,
     required int maxRetryAttempts,
   }) async {
+    print('📱 🔄 MANUAL CHECK: Persistent reminders called from UI');
     await _notificationService.checkPersistentReminders(
       persistentReminders,
       reminderRetryInterval,
@@ -106,6 +107,16 @@ class SupplementProvider with ChangeNotifier {
     );
   }
 
+  // Add a manual trigger method for testing
+  Future<void> triggerRetryCheck() async {
+    print('📱 🚨 MANUAL TRIGGER: Forcing retry check...');
+    await checkPersistentRemindersWithSettings(
+      persistentReminders: true,
+      reminderRetryInterval: 5, // Force 5 minute interval for testing
+      maxRetryAttempts: 3,
+    );
+  }
+
   @override
   void dispose() {
     _persistentReminderTimer?.cancel();
@@ -363,6 +374,11 @@ class SupplementProvider with ChangeNotifier {
     return await _notificationService.getPendingNotifications();
   }
 
+  // Get pending notifications with retry information from database
+  Future<List<Map<String, dynamic>>> getTrackedNotifications() async {
+    return await DatabaseHelper.instance.getPendingNotifications();
+  }
+
   // Debug method to test notification persistence
   Future<void> rescheduleAllNotifications() async {
     await _rescheduleAllNotifications();