添加模块

Platform.Application/
└── {ModuleName}/
    ├── {Module}Service.cs              → 业务逻辑
    ├── I{Module}Repository.cs          → 仓储端口
    ├── I{Module}EventPublisher.cs      → 事件发布端口
    ├── I{Module}AuditSink.cs           → 审计端口
    ├── InMemory{Module}Repository.cs   → 测试/Shell 默认实现
    └── Null{Module}EventPublisher.cs    → 空操作默认实现

SaaS.Contracts/
└── {ModuleName}/                       → 集成事件 DTO

Infrastructure.SqlSugar/
└── {ModuleName}/
    ├── {Module}PlatformDependencyInjection.cs
    └── SqlSugar{Module}Repository.cs

Infrastructure.Persistence.Models/
└── {ModuleName}/
    └── {Module}Entity.cs               → 持久化模型

Api/
├── Endpoints/
│   └── {Module}Endpoints.cs            → Minimal API 端点
│   └── {Request}Dto.cs                 → 请求 DTO

// Infrastructure.Persistence.Models/{ModuleName}/
public class TodoEntity : TenantSoftDeleteEntityBase
{
    [SugarColumn(Length = 200)]
    public string Title { get; set; }
    public bool IsCompleted { get; set; }
}

// Platform.Application/{ModuleName}/
public interface ITodoRepository
{
    Task<IReadOnlyList<Todo>> GetAllAsync(TenantId tenantId, CancellationToken ct);
    Task<Todo?> GetByIdAsync(Guid id, CancellationToken ct);
    Task<Todo> CreateAsync(TenantId tenantId, string title, CancellationToken ct);
}

public class TodoService
{
    public async Task<Todo> CreateAsync(TenantId tenantId, string title, CancellationToken ct)
    {
        // 业务逻辑
    }
}

public static class TodoEndpoints
{
    public static void MapTodoEndpoints(this IEndpointRouteBuilder app)
    {
        var group = app.MapGroup("/api/todos")
            .RequireAuthorization();

        group.MapPost("/", async (...) => ...);
        group.MapGet("/", async (...) => ...);
    }
}