fix(variants): inherit parent SKU/price by default and load variantAxes optionsList in catalog repository

src/features/catalogs/catalogs/catalog.repository.js

@@ -25,9 +25,17 @@ export class CatalogRepository {
         {
           model: models.Attribute,
           as: 'variantAxes',
-          attributes: ['id', 'code', 'name'],
+          attributes: ['id', 'code', 'name', 'type', 'options'],
           through: { attributes: [] },
-          required: false
+          required: false,
+          include: [
+            {
+              model: models.AttributeOption,
+              as: 'optionsList',
+              attributes: ['id', 'code', 'label', 'sort_order'],
+              required: false
+            }
+          ]
         },
         {
           model: models.AssetFamily,

src/features/variants/variants/variant.service.js

@@ -683,8 +683,9 @@ export class VariantService {
           continue;
         }
 
-        // Generate SKU
-        const generatedSku = this._buildSku(skuTemplate, parentProduct.code, combo);
+        // Generate SKU using parent product SKU or code as fallback
+        const parentSkuVal = parentProduct.sku || parentProduct.code || 'SKU';
+        const generatedSku = this._buildSku(skuTemplate, parentSkuVal, combo);
 
         // Check SKU uniqueness
         const existingSku = await models.Variant.findOne({
@@ -703,7 +704,7 @@ export class VariantService {
           product_id: productId,
           sku: finalSku,
           name: variantName,
-          price: 0.00,
+          price: parseFloat(parentProduct.price) || 0.00,
           cost_price: 0.00,
           currency: 'USD',
           stock: 0,