refactor: 移除平台公告与跨租户目标

tests/TakeoutSaaS.Integration.Tests/App/Tenants/AnnouncementWorkflowTests.cs

@@ -146,7 +146,7 @@ public sealed class AnnouncementWorkflowTests
             AnnouncementId = announcement.Id,
             Title = "更新标题",
             Content = "更新内容",
-            TargetType = "ALL_TENANTS",
+            TargetType = "TENANT_ALL",
             RowVersion = announcement.RowVersion
         };
 
@@ -185,7 +185,7 @@ public sealed class AnnouncementWorkflowTests
             AnnouncementId = announcement.Id,
             Title = "并发更新",
             Content = "内容",
-            TargetType = "ALL_TENANTS",
+            TargetType = "TENANT_ALL",
             RowVersion = new byte[] { 1 }
         };
 
@@ -210,7 +210,7 @@ public sealed class AnnouncementWorkflowTests
             EffectiveTo = DateTime.UtcNow.AddMinutes(30),
             PublisherScope = PublisherScope.Tenant,
             Status = AnnouncementStatus.Draft,
-            TargetType = "ALL_TENANTS",
+            TargetType = "TENANT_ALL",
             TargetParameters = null,
             RowVersion = new byte[] { 1 }
         };