Refactor: Implement multi-item inventory for Pad Tracker and dynamic navigation

lib/main.dart

@@ -8,6 +8,7 @@ import 'screens/splash_screen.dart';
 import 'models/user_profile.dart';
 import 'models/cycle_entry.dart';
 import 'providers/user_provider.dart';
+import 'services/notification_service.dart';
 
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
@@ -28,6 +29,8 @@ void main() async {
   Hive.registerAdapter(BibleTranslationAdapter());
   Hive.registerAdapter(ScriptureAdapter());
   Hive.registerAdapter(AppThemeModeAdapter()); // Register new adapter
+  Hive.registerAdapter(SupplyItemAdapter());
+  Hive.registerAdapter(PadTypeAdapter());
 
   // Open boxes and load scriptures in parallel
   await Future.wait([
@@ -36,9 +39,13 @@ void main() async {
     ScriptureDatabase().loadScriptures(),
   ]);
 
+  // Initialize notifications
+  await NotificationService().initialize();
+
   runApp(const ProviderScope(child: ChristianPeriodTrackerApp()));
 }
 
+
 // Helper to convert hex string to Color
 Color _colorFromHex(String hexColor) {
   try {