try

Webshop.Application/DTOs/Users/UserDto.cs

@@ -1,18 +1,25 @@
 // src/Webshop.Application/DTOs/Users/UserDto.cs
+using System;
+using System.Collections.Generic;
+
 namespace Webshop.Application.DTOs.Users
 {
     public class UserDto
     {
-        public string Id { get; set; } = string.Empty;
-        public string Email { get; set; } = string.Empty;
-        public string UserName { get; set; } = string.Empty;
-        public List<string> Roles { get; set; } = new List<string>();
-        public DateTimeOffset CreatedDate { get; set; }
-        public bool EmailConfirmed { get; set; }
+        public string Id { get; set; } = string.Empty; // Vom ApplicationUser.Id
+        public string Email { get; set; } = string.Empty; // Vom ApplicationUser.Email
+        public string UserName { get; set; } = string.Empty; // Vom ApplicationUser.UserName
+        public List<string> Roles { get; set; } = new List<string>(); // Aus Identity-System
+        public DateTimeOffset CreatedDate { get; set; } // Vom ApplicationUser.CreatedDate
+        public bool EmailConfirmed { get; set; } // Vom ApplicationUser.EmailConfirmed
 
-        // Hinzugef<65>gte Felder
-        public DateTimeOffset? LastActive { get; set; }
-        public string FirstName { get; set; } = string.Empty;
-        public string LastName { get; set; } = string.Empty;
+        public DateTimeOffset? LastActive { get; set; } // Vom ApplicationUser.LastActive
+        public string? PhoneNumber { get; set; } // Vom ApplicationUser.PhoneNumber
+
+        // << NEU: Customer-Felder, die NICHT in ApplicationUser sind >>
+        public string FirstName { get; set; } = string.Empty; // Vom Customer.FirstName
+        public string LastName { get; set; } = string.Empty; // Vom Customer.LastName
+        public Guid? DefaultShippingAddressId { get; set; } // Vom Customer
+        public Guid? DefaultBillingAddressId { get; set; } // Vom Customer
     }
 }