fix category tabbar

lib/presentation/home/widgets/category_tab_bar.dart

@@ -41,6 +41,36 @@ class _CategoryTabBarState extends State<CategoryTabBar>
     });
   }
 
+  @override
+  void didUpdateWidget(CategoryTabBar oldWidget) {
+    super.didUpdateWidget(oldWidget);
+
+    // ✅ Update TabController when categories length changes
+    if (oldWidget.categories.length != widget.categories.length) {
+      _tabController.dispose();
+      _tabController = TabController(
+        length: widget.categories.length,
+        vsync: this,
+        initialIndex: 0, // Reset to first tab
+      );
+
+      _tabController.addListener(() {
+        if (_tabController.indexIsChanging) {
+          if (_tabController.index == 0) {
+            context.read<ProductLoaderBloc>().add(
+                  ProductLoaderEvent.getProduct(),
+                );
+          } else {
+            selectedCategoryId = widget.categories[_tabController.index].id;
+            context.read<ProductLoaderBloc>().add(
+                  ProductLoaderEvent.getProduct(categoryId: selectedCategoryId),
+                );
+          }
+        }
+      });
+    }
+  }
+
   @override
   void dispose() {
     _tabController.dispose();