Revert "refactor: 清理租户API旧模块代码"

This reverts commit 992930a821.

src/Application/TakeoutSaaS.Application/App/Billings/Commands/ConfirmPaymentCommand.cs

@@ -0,0 +1,42 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Billings.Dto;
+using TakeoutSaaS.Domain.Tenants.Enums;
+
+namespace TakeoutSaaS.Application.App.Billings.Commands;
+
+/// <summary>
+/// 一键确认收款命令（记录支付 + 立即审核通过）。
+/// </summary>
+public sealed record ConfirmPaymentCommand : IRequest<PaymentRecordDto>
+{
+    /// <summary>
+    /// 账单 ID（雪花算法）。
+    /// </summary>
+    public long BillingId { get; init; }
+
+    /// <summary>
+    /// 支付金额。
+    /// </summary>
+    public decimal Amount { get; init; }
+
+    /// <summary>
+    /// 支付方式。
+    /// </summary>
+    public TenantPaymentMethod Method { get; init; }
+
+    /// <summary>
+    /// 交易号。
+    /// </summary>
+    public string? TransactionNo { get; init; }
+
+    /// <summary>
+    /// 支付凭证 URL。
+    /// </summary>
+    public string? ProofUrl { get; init; }
+
+    /// <summary>
+    /// 备注信息。
+    /// </summary>
+    public string? Notes { get; init; }
+}
+