fix cart, fix log cart

lib/features/cart/presentation/pages/cart_page.dart

@@ -36,6 +36,7 @@ class CartPage extends ConsumerStatefulWidget {
 
 class _CartPageState extends ConsumerState<CartPage> {
   bool _isSyncing = false;
+  bool _hasLoggedViewCart = false;
 
   // Cart is initialized once in home_page.dart at app startup
   // Provider has keepAlive: true, so no need to reload here
@@ -44,29 +45,32 @@ class _CartPageState extends ConsumerState<CartPage> {
   // and in checkout button handler for checkout flow.
   // No dispose() method needed - using ref.read() in dispose() is unsafe.
 
+  void _logViewCartOnce(CartState cartState) {
+    if (_hasLoggedViewCart || cartState.isEmpty) return;
+    _hasLoggedViewCart = true;
+
+    AnalyticsService.logViewCart(
+      cartValue: cartState.totalPrice,
+      items: cartState.items.map((item) => AnalyticsEventItem(
+        itemId: item.product.productId,
+        itemName: item.product.name,
+        price: item.product.basePrice,
+        quantity: item.quantity.toInt(),
+      )).toList(),
+    );
+  }
+
   @override
   Widget build(BuildContext context) {
     final colorScheme = Theme.of(context).colorScheme;
     final cartState = ref.watch(cartProvider);
 
-
+    // Log view cart analytics event only once when page opens
+    _logViewCartOnce(cartState);
 
     final itemCount = cartState.itemCount;
     final hasSelection = cartState.selectedCount > 0;
 
-    // Log view cart analytics event when cart has items
-    if (cartState.isNotEmpty) {
-      AnalyticsService.logViewCart(
-        cartValue: cartState.selectedTotal,
-        items: cartState.items.map((item) => AnalyticsEventItem(
-          itemId: item.product.productId,
-          itemName: item.product.name,
-          price: item.product.basePrice,
-          quantity: item.quantity.toInt(),
-        )).toList(),
-      );
-    }
-
     return PopScope(
       // Intercept back navigation to sync pending updates
       onPopInvokedWithResult: (didPop, result) async {
@@ -346,6 +350,7 @@ class _CartPageState extends ConsumerState<CartPage> {
 
   /// Build error banner (shown at top when there's an error but cart has items)
   Widget _buildErrorBanner(String errorMessage) {
+    print(errorMessage);
     return Container(
       width: double.infinity,
       padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),