refactor: 清理租户API旧模块代码

src/Application/TakeoutSaaS.Application/App/Billings/Validators/ConfirmPaymentCommandValidator.cs

@@ -1,50 +0,0 @@
-using FluentValidation;
-using TakeoutSaaS.Application.App.Billings.Commands;
-
-namespace TakeoutSaaS.Application.App.Billings.Validators;
-
-/// <summary>
-/// 一键确认收款命令验证器。
-/// </summary>
-public sealed class ConfirmPaymentCommandValidator : AbstractValidator<ConfirmPaymentCommand>
-{
-    public ConfirmPaymentCommandValidator()
-    {
-        // 1. 账单 ID 必填
-        RuleFor(x => x.BillingId)
-            .GreaterThan(0)
-            .WithMessage("账单 ID 必须大于 0");
-
-        // 2. 支付金额必须大于 0
-        RuleFor(x => x.Amount)
-            .GreaterThan(0)
-            .WithMessage("支付金额必须大于 0")
-            .LessThanOrEqualTo(1_000_000_000)
-            .WithMessage("支付金额不能超过 10 亿");
-
-        // 3. 支付方式必填
-        RuleFor(x => x.Method)
-            .IsInEnum()
-            .WithMessage("支付方式无效");
-
-        // 4. 交易号必填
-        RuleFor(x => x.TransactionNo)
-            .NotEmpty()
-            .WithMessage("交易号不能为空")
-            .MaximumLength(64)
-            .WithMessage("交易号不能超过 64 个字符");
-
-        // 5. 支付凭证 URL（可选）
-        RuleFor(x => x.ProofUrl)
-            .MaximumLength(500)
-            .WithMessage("支付凭证 URL 不能超过 500 个字符")
-            .When(x => !string.IsNullOrWhiteSpace(x.ProofUrl));
-
-        // 6. 备注（可选）
-        RuleFor(x => x.Notes)
-            .MaximumLength(500)
-            .WithMessage("备注不能超过 500 个字符")
-            .When(x => !string.IsNullOrWhiteSpace(x.Notes));
-    }
-}
-