test(cqrs): 拆分容器注册夹具通知类型

- 拆分 DeterministicOrderNotification 与处理器到同目录独立文件以消除 MA0048

- 保留容器注册测试夹具行为与 XML 文档说明

GFramework.Core.Tests/Cqrs/DeterministicOrderNotification.cs

@@ -0,0 +1,21 @@
+// Copyright (c) 2026 GeWuYou
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+using GFramework.Cqrs.Abstractions.Cqrs;
+
+namespace GFramework.Core.Tests.Cqrs;
+
+/// <summary>
+///     为容器层测试提供可扫描的最小通知夹具。
+/// </summary>
+internal sealed record DeterministicOrderNotification : INotification;

GFramework.Core.Tests/Cqrs/DeterministicOrderNotificationHandler.cs

@@ -2,24 +2,20 @@
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
-// 
+//
 //     http://www.apache.org/licenses/LICENSE-2.0
-// 
+//
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+using System.Threading;
 using GFramework.Cqrs.Abstractions.Cqrs;
 
 namespace GFramework.Core.Tests.Cqrs;
 
-/// <summary>
-///     为容器层测试提供可扫描的最小通知夹具。
-/// </summary>
-internal sealed record DeterministicOrderNotification : INotification;
-
 /// <summary>
 ///     供容器注册测试验证程序集扫描结果的通知处理器。
 /// </summary>