feat: implement product seeding logic from image catalog and add supporting service methods and requests

database/seeders/ProductCatalogFromImagesSeeder.php

@@ -42,6 +42,7 @@ class ProductCatalogFromImagesSeeder extends Seeder
         ],
         'zapatillas_lecoq' => ['price' => 109999, 'stock' => 6],
         'zapatillas_topper' => ['price' => 104999, 'stock' => 7],
+        'pelota_mundial' => ['price' => 45000, 'stock' => 15],
     ];
 
     /**
@@ -220,6 +221,15 @@ class ProductCatalogFromImagesSeeder extends Seeder
                 $variantGroup['files']
             );
 
+            if ($attributeIds->isEmpty()) {
+                $this->productService->createVariant($product, [
+                    'stock' => $variantGroup['stock'],
+                    'definitions' => [],
+                    'images' => $images,
+                ]);
+                continue;
+            }
+
             foreach ($sizes as $size) {
                 $definitions = [];
 
@@ -301,6 +311,19 @@ class ProductCatalogFromImagesSeeder extends Seeder
             ];
         }
 
+        if ($groupKey === 'pelota_mundial') {
+            return [
+                'type' => 'pelota',
+                'category_name' => 'Accesorios',
+                'brand_name' => 'Adidas',
+                'color' => null,
+                'attribute_codes' => [],
+                'product_slug' => $groupKey,
+                'product_name' => 'Pelota Mundial 2026',
+                'description' => 'Pelota oficial del mundial 2026 sin variantes.',
+            ];
+        }
+
         $segments = explode('_', $groupKey);
         $type = array_shift($segments);