feat(cart): refactor CartItem structure to remove nested product object and simplify access to properties

src/app/core/layout/store-layout/store-layout.component.spec.ts

@@ -571,11 +571,9 @@ describe('StoreLayoutComponent', () => {
           precio_unitario: '100.00',
           catalog_item_id: 1,
           variant_id: null,
-          product: {
-            nombre: 'Producto',
-            imagen: null,
-            variant: null,
-          },
+          nombre: 'Producto',
+          imagen: null,
+          variant: null,
         },
       ],
     });
@@ -625,11 +623,9 @@ describe('StoreLayoutComponent', () => {
           precio_unitario: '100.00',
           catalog_item_id: 1,
           variant_id: null,
-          product: {
-            nombre: 'Producto',
-            imagen: null,
-            variant: null,
-          },
+          nombre: 'Producto',
+          imagen: null,
+          variant: null,
         },
       ],
     });

src/app/core/layout/store-layout/store-layout.component.ts

@@ -53,7 +53,7 @@ export class StoreLayoutComponent implements OnInit {
   });
 
   private mapCartItemToMock(item: CartItem): CartItemMock {
-    const fullName = item.product?.nombre ?? '';
+    const fullName = item.nombre ?? '';
     let product = fullName;
     let attributes: { label: string; value: string }[] = [];
 
@@ -70,7 +70,7 @@ export class StoreLayoutComponent implements OnInit {
       });
     }
 
-    const selectedVariant = item.product?.variant ?? null;
+    const selectedVariant = item.variant;
 
     if (selectedVariant) {
       attributes = Object.entries(selectedVariant.values).map(([label, value]) => ({
@@ -81,7 +81,7 @@ export class StoreLayoutComponent implements OnInit {
 
     return {
       cartItemId: item.id,
-      imageUrl: item.product?.imagen ?? null,
+      imageUrl: item.imagen,
       product,
       originalPrice: null,
       discountedPrice: parseFloat(item.precio_unitario),

src/app/core/services/cart/cart.interface.ts

@@ -1,9 +1,3 @@
-export interface CartItemProduct {
-  nombre: string;
-  imagen: string | null;
-  variant: CartItemVariant | null;
-}
-
 export interface CartItemVariantOption {
   value: string;
   label: string;
@@ -27,7 +21,9 @@ export interface CartItem {
   precio_unitario: string;
   catalog_item_id: number;
   variant_id: number | null;
-  product: CartItemProduct | null;
+  nombre: string | null;
+  imagen: string | null;
+  variant: CartItemVariant | null;
 }
 
 export interface Cart {

src/app/core/services/cart/cart.service.spec.ts

@@ -24,15 +24,13 @@ describe('CartService', () => {
         precio_unitario: '10.00',
         catalog_item_id: 5,
         variant_id: 10,
-        product: {
-          nombre: 'Test Product (Size: M)',
-          imagen: null,
-          variant: {
-            id: 10,
-            precio: '10.00',
-            stock_tecnico: 1,
-            values: { size: 'M' },
-          },
+        nombre: 'Test Product (Size: M)',
+        imagen: null,
+        variant: {
+          id: 10,
+          precio: '10.00',
+          stock_tecnico: 1,
+          values: { size: 'M' },
         },
       },
     ],