first commit

backend/F9WebAiTest.Application/CQRS/SYS/RBAC/Menus/Commands/Menu_DelCommand.cs

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+using F9WebAiTest.Application.Common.Exceptions;
+using F9WebAiTest.Domain.Interfaces.SYS.RBAC.Menus;
+using MediatR;
+
+namespace F9WebAiTest.Application.CQRS.SYS.RBAC.Menus.Commands;
+
+/// <summary>命令定义</summary>
+public record Menu_DelCommand(long Id) : IRequest<bool>;
+
+/// <summary>命令处理器</summary>
+public class DelMenuCommandHandler(
+    IMenuWriteRepository menuWriteRepository) : IRequestHandler<Menu_DelCommand, bool>
+{
+    public async Task<bool> Handle(Menu_DelCommand command, CancellationToken cancellationToken)
+    {
+        if (command.Id <= 0) throw new F9OperationException("菜单ID不能为空");
+
+        var result = await menuWriteRepository.SoftDeleteAsync(command.Id);
+        if (result == false) throw new F9OperationException("菜单", "删除");
+        return result;
+    }
+}