style: 命令不可变化与规范补充

src/Application/TakeoutSaaS.Application/App/Payments/Commands/UpdatePaymentCommand.cs

@@ -7,55 +7,55 @@ namespace TakeoutSaaS.Application.App.Payments.Commands;
 /// <summary>
 /// 更新支付记录命令。
 /// </summary>
-public sealed class UpdatePaymentCommand : IRequest<PaymentDto?>
+public sealed record UpdatePaymentCommand : IRequest<PaymentDto?>
 {
     /// <summary>
     /// 支付记录 ID。
     /// </summary>
-    public long PaymentId { get; set; }
+    public long PaymentId { get; init; }
 
     /// <summary>
     /// 订单 ID。
     /// </summary>
-    public long OrderId { get; set; }
+    public long OrderId { get; init; }
 
     /// <summary>
     /// 支付方式。
     /// </summary>
-    public PaymentMethod Method { get; set; } = PaymentMethod.Unknown;
+    public PaymentMethod Method { get; init; } = PaymentMethod.Unknown;
 
     /// <summary>
     /// 支付状态。
     /// </summary>
-    public PaymentStatus Status { get; set; } = PaymentStatus.Unpaid;
+    public PaymentStatus Status { get; init; } = PaymentStatus.Unpaid;
 
     /// <summary>
     /// 金额。
     /// </summary>
-    public decimal Amount { get; set; }
+    public decimal Amount { get; init; }
 
     /// <summary>
     /// 平台交易号。
     /// </summary>
-    public string? TradeNo { get; set; }
+    public string? TradeNo { get; init; }
 
     /// <summary>
     /// 渠道单号。
     /// </summary>
-    public string? ChannelTransactionId { get; set; }
+    public string? ChannelTransactionId { get; init; }
 
     /// <summary>
     /// 支付时间。
     /// </summary>
-    public DateTime? PaidAt { get; set; }
+    public DateTime? PaidAt { get; init; }
 
     /// <summary>
     /// 备注。
     /// </summary>
-    public string? Remark { get; set; }
+    public string? Remark { get; init; }
 
     /// <summary>
     /// 原始回调。
     /// </summary>
-    public string? Payload { get; set; }
+    public string? Payload { get; init; }
 }