import { join } from "node:path"; import {  makeGitArtifactStore,  makeQuickjsToolSandbox,  makeSqliteAppsStore,  type AppsBackings,} from "@executor-js/plugin-apps/api"; import { resolveDataDir } from "./config"; interface SelfHostAppsBackings {  readonly backings: AppsBackings;  readonly close: () => Promise<void>;} const createBackings = (dataDir: string): SelfHostAppsBackings => {  const appsDir = join(dataDir, "apps");  return {    backings: {      artifactStore: makeGitArtifactStore({ root: join(appsDir, "artifacts") }),      sandbox: makeQuickjsToolSandbox(),      store: makeSqliteAppsStore({ path: join(appsDir, "store.sqlite") }),    },    close: async () => {},  };}; let current: { readonly dataDir: string; readonly value: SelfHostAppsBackings } | undefined; export const getSelfHostAppsBackings = (): AppsBackings => {  const dataDir = resolveDataDir();  if (current && current.dataDir === dataDir) return current.value.backings;  const value = createBackings(dataDir);  current = { dataDir, value };  return value.backings;}; export const closeSelfHostAppsBackings = async (): Promise<void> => {  const value = current?.value;  current = undefined;  await value?.close();};