fix

Application/Dto/LoginResponse.cs

@@ -0,0 +1,17 @@
+namespace Application.Dto;
+
+/// <summary>
+/// 登录响应
+/// </summary>
+public record LoginResponse
+{
+    /// <summary>
+    /// JWT Token
+    /// </summary>
+    public string Token { get; init; } = string.Empty;
+
+    /// <summary>
+    /// Token过期时间（UTC）
+    /// </summary>
+    public DateTime ExpiresAt { get; init; }
+}