feat: implement product detail page and define catalog interfaces

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

@@ -1,6 +1,5 @@
 export interface Product {
   id: number;
-  tenant_codigo: string;
   category_id: number;
   brand_id: number | null;
   slug: string;
@@ -17,7 +16,7 @@ export interface ProductAttributeOption {
   value: string;
   label: string;
   sort_order: number;
-  metadata: Record<string, any> | null;
+  metadata: Record<string, unknown> | null;
 }
 
 export interface ProductAttribute {
@@ -25,19 +24,27 @@ export interface ProductAttribute {
   codigo: string;
   nombre: string;
   is_required: boolean;
-  metadata_schema: Record<string, any> | null;
+  metadata_schema: Record<string, unknown> | null;
   type: string;
   options: ProductAttributeOption[];
 }
 
 export interface ProductVariant {
-  variant_id: number;
+  id: number;
+  stock: number;
+  definitions: Record<string, string>;
   images: string[];
+}
+
+export interface ProductVariantMap {
+  variant_id: number;
+  stock: number;
   attributes: Record<string, string>;
 }
 
 export interface ProductDetail extends Product {
   attributes: ProductAttribute[];
-  default_variant: ProductVariant | null;
+  variants_map: ProductVariantMap[];
+  variant: ProductVariant | null;
 }