fix

cmd/cart/product-fetcher.go

@@ -139,7 +139,7 @@ const minGlassArea = 0.4 // m²
 // areaFromItem derives the main article's *visible glass* surface in m² from a
 // resolved configurator selection. The catalog width/height are facet codes;
 // the outer (karmytter) size is `code × 100 − margin` mm and the visible glass
-// is that minus the frame border per axis, e.g. width 4, widthMargin 20,
+// is that minus the frame border per axis, e.g. width 4, marginWidth 20,
 // borderWidth 194 → 400 − 20 − 194 = 186 mm. Area = glassW(mm) × glassH(mm) /
 // 1e6, clamped up to the minGlassArea billing floor. Returns 0 when a dimension
 // is missing/non-numeric (non-window PDP, or no product resolved yet).
@@ -193,14 +193,14 @@ func ToItemAddMessage(item *ProductItem, parent *ProductItem, storeId *string, q
 	}
 
 	msg := &messages.AddItem{
-		ItemId:     uint32(item.Id),
-		Quantity:   int32(qty),
-		Price:      price,
-		OrgPrice:   orgPriceFromDiscount(price, item.Discount),
-		Sku:        item.Sku,
-		Name:       item.Title,
-		Image:      item.Img,
-		Stock:      stock,
+		ItemId:   uint32(item.Id),
+		Quantity: int32(qty),
+		Price:    price,
+		OrgPrice: orgPriceFromDiscount(price, item.Discount),
+		Sku:      item.Sku,
+		Name:     item.Title,
+		Image:    item.Img,
+		Stock:    stock,
 		// item.Vat is the product's VAT as a raw integer percent (e.g. 25);
 		// ×100 converts to the platform basis-point scale (2500). This is the
 		// single conversion boundary — everything downstream is basis points.