try

Webshop.Application/DTOs/OrderItemDto.cs

@@ -0,0 +1,21 @@
+// Auto-generiert von CreateWebshopFiles.ps1
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+
+namespace Webshop.Application.DTOs
+{
+    public class OrderItemDto
+    {
+        public Guid Id { get; set; }
+        public Guid OrderId { get; set; } // Foreign Key zu Order
+        public Guid ProductId { get; set; }
+        public Guid? ProductVariantId { get; set; }
+        public string ProductName { get; set; } = string.Empty;
+        public string ProductSKU { get; set; } = string.Empty;
+        public int Quantity { get; set; }
+        public decimal UnitPrice { get; set; }
+        public decimal TotalPrice { get; set; }
+    }
+}