update cart

lib/features/home/presentation/pages/home_page.dart

@@ -26,11 +26,27 @@ import 'package:worker/generated/l10n/app_localizations.dart';
 /// - Quick action sections
 /// - Bottom navigation
 /// - Floating action button (Chat)
-class HomePage extends ConsumerWidget {
+///
+/// Initializes cart on mount to load items from API.
+class HomePage extends ConsumerStatefulWidget {
   const HomePage({super.key});
 
   @override
-  Widget build(BuildContext context, WidgetRef ref) {
+  ConsumerState<HomePage> createState() => _HomePageState();
+}
+
+class _HomePageState extends ConsumerState<HomePage> {
+  @override
+  void initState() {
+    super.initState();
+    // Initialize cart from API on app startup
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      ref.read(cartProvider.notifier).initialize();
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
     final l10n = AppLocalizations.of(context);
 
     // Watch member card state