feat: rename stock to cantidad_maxima in product variant interfaces and update related components for consistency

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

@@ -31,14 +31,14 @@ export interface ProductAttribute {
 
 export interface ProductVariant {
   id: number;
-  stock: number;
+  cantidad_maxima: number;
   definitions: Record<string, string>;
   images: string[];
 }
 
 export interface ProductVariantMap {
   variant_id: number;
-  stock: number;
+  cantidad_maxima: number;
   attributes: Record<string, string>;
 }
 

src/app/features/store/components/product-attribute-selector/product-attribute-selector.component.ts

@@ -46,7 +46,7 @@ export class ProductAttributeSelectorComponent {
         const optionNormalized = this.normalizeText(option.value || option.label);
         
         const isAvailable = variants.some(variant => {
-          if (variant.stock <= 0) return false;
+          if (variant.cantidad_maxima <= 0) return false;
 
           const variantAttrValue = this.getDefaultVariantAttributeValue(attribute, variant.attributes);
           if (!variantAttrValue || this.normalizeText(variantAttrValue) !== optionNormalized) {

src/app/features/store/pages/product-detail-page/product-detail-page.component.html

@@ -55,7 +55,7 @@
               <div class="product-detail__purchase">
                 <app-quantity-selector
                   [(quantity)]="quantity"
-                  [max]="selectedVariant()?.stock ?? 1"
+                  [max]="selectedVariant()?.cantidad_maxima ?? 1"
                 />
 
                 <div class="product-detail__actions">

src/app/features/store/pages/product-detail-page/product-detail-page.component.spec.ts

@@ -132,7 +132,7 @@ describe('ProductDetailPageComponent', () => {
       images: ['https://example.com/product.png'],
       variant: {
         id: 123,
-        stock: 10,
+        cantidad_maxima: 10,
         images: ['https://example.com/variant1.png', 'https://example.com/variant2.png'],
         definitions: {}
       }
@@ -234,7 +234,7 @@ describe('ProductDetailPageComponent', () => {
       ],
       variant: {
         id: 123,
-        stock: 10,
+        cantidad_maxima: 10,
         images: ['https://example.com/variant1.png'],
         definitions: {
           color: 'beige',
@@ -279,7 +279,7 @@ describe('ProductDetailPageComponent', () => {
     const fixture = TestBed.createComponent(ProductDetailPageComponent);
     fixture.componentInstance['selectedVariant'].set({
       variant_id: 1,
-      stock: 10,
+      cantidad_maxima: 10,
       attributes: {}
     });
     fixture.detectChanges();
@@ -355,14 +355,14 @@ describe('ProductDetailPageComponent', () => {
       ...mockProduct,
       variant: {
         id: 123,
-        stock: 5,
+        cantidad_maxima: 5,
         images: [],
         definitions: {}
       },
       variants_map: [
         {
           variant_id: 123,
-          stock: 5,
+          cantidad_maxima: 5,
           attributes: {}
         }
       ]
@@ -396,14 +396,14 @@ describe('ProductDetailPageComponent', () => {
       ...mockProduct,
       variant: {
         id: 123,
-        stock: 5,
+        cantidad_maxima: 5,
         images: [],
         definitions: {}
       },
       variants_map: [
         {
           variant_id: 123,
-          stock: 5,
+          cantidad_maxima: 5,
           attributes: {}
         }
       ]

src/app/features/store/pages/product-detail-page/product-detail-page.component.ts

@@ -170,7 +170,7 @@ export class ProductDetailPageComponent implements OnInit, OnDestroy {
           if (!currentProduct) return null;
           const updatedVariantsMap = currentProduct.variants_map.map((v) => {
             if (v.variant_id === variantId) {
-              return { ...v, stock: 0 };
+              return { ...v, cantidad_maxima: 0 };
             }
             return v;
           });
@@ -205,8 +205,8 @@ export class ProductDetailPageComponent implements OnInit, OnDestroy {
     }
 
     this.selectedVariant.set(variant);
-    if (variant && this.quantity() > variant.stock) {
-      this.quantity.set(Math.max(1, variant.stock));
+    if (variant && this.quantity() > variant.cantidad_maxima) {
+      this.quantity.set(Math.max(1, variant.cantidad_maxima));
     }
 
     const currentProduct = this.product();