Add Module

src/Modules/{Name}/
├── Modules.{Name}/            ← runtime (internal): Domain/, Data/, Features/v1/, {Name}Module.cs
└── Modules.{Name}.Contracts/  ← public API: v1/ (commands/queries), Dtos/, Authorization/, Events/

[assembly: FshModule(typeof(FSH.Modules.{Name}.{Name}Module), 900)]   // (Type, order)

namespace FSH.Modules.{Name};

public sealed class {Name}Module : IModule
{
    public void ConfigureServices(IHostApplicationBuilder builder)
    {
        ArgumentNullException.ThrowIfNull(builder);
        PermissionConstants.Register({Name}Permissions.All);
        builder.Services.AddHeroDbContext<{Name}DbContext>();
        builder.Services.AddScoped<IDbInitializer, {Name}DbInitializer>();

        // Only if the module HANDLES integration events:
        // builder.Services.AddIntegrationEventHandlers(typeof({Name}Module).Assembly);
        //
        // Publishing needs no registration at all — the outbox is framework-owned
        // (host calls AddEventingCore once). Inject IOutboxWriter and publish.
        // Never register a per-module outbox store; see .agents/rules/eventing.md.

        builder.Services.AddHealthChecks()
            .AddDbContextCheck<{Name}DbContext>(name: "db:{name}");
    }

    public void ConfigureMiddleware(IApplicationBuilder app) { }   // optional, runs after auth

    public void MapEndpoints(IEndpointRouteBuilder endpoints)
    {
        ArgumentNullException.ThrowIfNull(endpoints);
        var versionSet = endpoints.NewApiVersionSet().HasApiVersion(new ApiVersion(1)).ReportApiVersions().Build();
        var group = endpoints.MapGroup("api/v{version:apiVersion}/{name}")
            .WithTags("{Name}").WithApiVersionSet(versionSet).RequireAuthorization();
        // group.MapCreate{Entity}Endpoint();  …
    }
}

public sealed class {Name}DbContext : BaseDbContext
{
    public const string Schema = "{name}";

    public {Name}DbContext(
        IMultiTenantContextAccessor<AppTenantInfo> multiTenantContextAccessor,
        DbContextOptions<{Name}DbContext> options,
        IOptions<DatabaseOptions> settings,
        IHostEnvironment environment)
        : base(multiTenantContextAccessor, options, settings, environment) { }

    public DbSet<{Entity}> {Entities} => Set<{Entity}>();

    protected override void OnModelCreating(ModelBuilder modelBuilder)
    {
        ArgumentNullException.ThrowIfNull(modelBuilder);
        modelBuilder.HasDefaultSchema(Schema);
        modelBuilder.ApplyConfigurationsFromAssembly(typeof({Name}DbContext).Assembly);
        base.OnModelCreating(modelBuilder);   // MUST be last — applies tenant + soft-delete filters
    }
}

dotnet sln src/FSH.Starter.slnx add src/Modules/{Name}/Modules.{Name}/Modules.{Name}.csproj
dotnet sln src/FSH.Starter.slnx add src/Modules/{Name}/Modules.{Name}.Contracts/Modules.{Name}.Contracts.csproj

dotnet build src/FSH.Starter.slnx                  # 0 warnings
dotnet test src/Tests/Architecture.Tests           # boundary + tenant-isolation rules must pass
dotnet test src/FSH.Starter.slnx