Using `HttpRouter.prefixed` for Layered Routes in Effect Typescript

export const Router = HttpLayerRouter.use(
  Effect.fnUntraced(function* (httpRouter) {
    const router = httpRouter.prefixed("/ui");

    const repository = yield* UserRepository;

    yield* router.add(
      "GET",
      "/avatar/user/:userId",
      userAvatarRoute(repository),
    );

    yield* router.add("GET", "/avatar/user-category", userCategoryAvatarRoute);
  }),
);