feat(catalog): unify home with catalog and add clear qty controls

app/components/ui/AppHeader.vue

@@ -8,7 +8,7 @@ const route = useRoute();
 const { totalItems } = useClientCart();
 
 const centerCapsule: NavItem[] = [
-  { to: '/products', label: 'Каталог' },
+  { to: '/', label: 'Каталог' },
   { to: '/orders', label: 'Мои заказы' },
 ];
 
@@ -18,6 +18,9 @@ const rightCapsule: NavItem[] = [
 ];
 
 function isActive(path: string) {
+  if (path === '/') {
+    return route.path === '/' || route.path.startsWith('/products');
+  }
   if (path === '/orders') {
     return route.path === '/orders' || route.path.startsWith('/orders/');
   }