修改User模块，同步原始代码

Tests/UserManagementSmoke/UserRoutingChecks.cs

@@ -0,0 +1,37 @@
+using Microsoft.AspNetCore.Mvc.ActionConstraints;
+using Microsoft.AspNetCore.Mvc.ApiExplorer;
+using Microsoft.AspNetCore.Mvc.Controllers;
+using Microsoft.AspNetCore.Mvc.Infrastructure;
+using Microsoft.AspNetCore.Routing;
+using Microsoft.Extensions.DependencyInjection;
+using Store.Users.Controllers;
+
+internal static class UserRoutingChecks
+{
+    public static void Run()
+    {
+        // 经真实 MVC 模型构建流程验证约定，不只是检查特性或直接调用 Apply。
+        var services = new ServiceCollection();
+        services.AddLogging();
+        services.AddControllers().AddApplicationPart(typeof(UserController).Assembly);
+        using var provider = services.BuildServiceProvider();
+        var actions = provider.GetRequiredService<IActionDescriptorCollectionProvider>().ActionDescriptors.Items
+            .OfType<ControllerActionDescriptor>().Where(a => a.ControllerTypeInfo.AsType() == typeof(UserController)).ToArray();
+        if (actions.Length != 19) throw new Exception("用户控制器操作发现数量错误");
+        foreach (var action in actions)
+        {
+            var method = "POST";
+            var constraint = action.ActionConstraints!.OfType<HttpMethodActionConstraint>().Single();
+            var metadata = action.EndpointMetadata.OfType<IHttpMethodMetadata>().Single();
+            if (!constraint.HttpMethods.SequenceEqual([method]) || !metadata.HttpMethods.SequenceEqual([method]))
+                throw new Exception($"{action.ActionName} 的方法约束或端点元数据错误");
+        }
+        var descriptions = provider.GetRequiredService<IApiDescriptionGroupCollectionProvider>().ApiDescriptionGroups.Items
+            .SelectMany(g => g.Items).Where(d => d.ActionDescriptor is ControllerActionDescriptor a
+                && a.ControllerTypeInfo.AsType() == typeof(UserController)).ToArray();
+        if (descriptions.Length != actions.Length || descriptions.Any(d => d.HttpMethod !=
+            "POST"))
+            throw new Exception("用户接口文档的 HTTP 方法错误");
+        Console.WriteLine("PASS: User 统一 POST、路由约束、端点元数据和接口文档验证通过。");
+    }
+}