refactor: 清理平台表述并统一为系统

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

@@ -30,7 +30,7 @@ public sealed class CreatePaymentCommand : IRequest<PaymentDto>
     public decimal Amount { get; set; }
 
     /// <summary>
-    /// 平台交易号。
+    /// 系统交易号。
     /// </summary>
     public string? TradeNo { get; set; }
 

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

@@ -35,7 +35,7 @@ public sealed record UpdatePaymentCommand : IRequest<PaymentDto?>
     public decimal Amount { get; init; }
 
     /// <summary>
-    /// 平台交易号。
+    /// 系统交易号。
     /// </summary>
     public string? TradeNo { get; init; }
 

src/Application/TakeoutSaaS.Application/App/Payments/Dto/PaymentDto.cs

@@ -43,7 +43,7 @@ public sealed class PaymentDto
     public decimal Amount { get; init; }
 
     /// <summary>
-    /// 平台交易号。
+    /// 系统交易号。
     /// </summary>
     public string? TradeNo { get; init; }
 

src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ToggleBusinessStatusCommandHandler.cs

@@ -37,7 +37,7 @@ public sealed class ToggleBusinessStatusCommandHandler(
 
         if (store.BusinessStatus == StoreBusinessStatus.ForceClosed)
         {
-            throw new BusinessException(ErrorCodes.Conflict, "门店已被平台强制关闭，无法切换");
+            throw new BusinessException(ErrorCodes.Conflict, "门店已被风控强制关闭，无法切换");
         }
 
         // 2. (空行后) 应用状态变更

src/Application/TakeoutSaaS.Application/App/Tenants/Dto/TenantPackageDto.cs

@@ -71,7 +71,7 @@ public sealed class TenantPackageDto
     public string? FeaturePoliciesJson { get; init; }
 
     /// <summary>
-    /// 是否仍启用（平台控制）。
+    /// 是否仍启用（系统控制）。
     /// </summary>
     public bool IsActive { get; init; }
 

src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/CreateTenantAnnouncementCommandHandler.cs

@@ -29,7 +29,7 @@ public sealed class CreateTenantAnnouncementCommandHandler(
     /// <returns>公告 DTO。</returns>
     public async Task<TenantAnnouncementDto> Handle(CreateTenantAnnouncementCommand request, CancellationToken cancellationToken)
     {
-        // 1. 校验租户上下文（租户端禁止跨租户/平台公告）
+        // 1. 校验租户上下文（租户端禁止跨租户/系统公告）
         var currentTenantId = tenantProvider.GetCurrentTenantId();
         if (currentTenantId <= 0)
         {
@@ -51,7 +51,7 @@ public sealed class CreateTenantAnnouncementCommandHandler(
         // 4. (空行后) 校验公告发布范围：租户端仅允许租户公告
         if (request.PublisherScope != PublisherScope.Tenant)
         {
-            throw new BusinessException(ErrorCodes.ValidationFailed, "租户端不允许创建平台公告");
+            throw new BusinessException(ErrorCodes.ValidationFailed, "租户端仅允许创建租户公告");
         }
 
         if (string.IsNullOrWhiteSpace(request.TargetType))

src/Application/TakeoutSaaS.Application/App/Tenants/Validators/CreateAnnouncementCommandValidator.cs

@@ -35,7 +35,7 @@ public sealed class CreateAnnouncementCommandValidator : AbstractValidator<Creat
 
         RuleFor(x => x.PublisherScope)
             .Equal(PublisherScope.Tenant)
-            .WithMessage("租户端不允许创建平台公告");
+            .WithMessage("租户端仅允许创建租户公告");
 
         RuleFor(x => x.EffectiveFrom)
             .LessThan(x => x.EffectiveTo!.Value)