feat: add success messages for cart item operations in CartController

app/Domains/Cart/Controllers/CartController.php

@@ -33,7 +33,9 @@ class CartController extends Controller
             (int) $request->validated('cantidad'),
         );
 
-        $response = CartResource::make($result['cart'])->response();
+        $response = CartResource::make($result['cart'])
+            ->additional(['message' => 'Producto agregado al carrito.'])
+            ->response();
 
         if ($result['guest_token'] !== null) {
             $response->withCookie($this->cartService->makeGuestTokenCookie($result['guest_token']));
@@ -54,13 +56,13 @@ class CartController extends Controller
                 $productVariant->getKey(),
                 (int) $request->validated('cantidad'),
             )
-        );
+        )->additional(['message' => 'Cantidad de producto actualizada.']);
     }
 
     public function removeItem(Request $request, Tenant $tenant, ProductVariant $productVariant): CartResource
     {
         return CartResource::make(
             $this->cartService->removeItem($tenant, $request, $productVariant->getKey())
-        );
+        )->additional(['message' => 'Producto eliminado del carrito.']);
     }
 }