import * as FS from "node:fs";import * as Path from "node:path";import type { DesktopServerExposureMode } from "@t3tools/contracts"; export interface DesktopSettings {  readonly serverExposureMode: DesktopServerExposureMode;} export const DEFAULT_DESKTOP_SETTINGS: DesktopSettings = {  serverExposureMode: "local-only",}; export function setDesktopServerExposurePreference(  settings: DesktopSettings,  requestedMode: DesktopServerExposureMode,): DesktopSettings {  return settings.serverExposureMode === requestedMode    ? settings    : {        ...settings,        serverExposureMode: requestedMode,      };} export function readDesktopSettings(settingsPath: string): DesktopSettings {  try {    if (!FS.existsSync(settingsPath)) {      return DEFAULT_DESKTOP_SETTINGS;    }     const raw = FS.readFileSync(settingsPath, "utf8");    const parsed = JSON.parse(raw) as {      readonly serverExposureMode?: unknown;    };     return {      serverExposureMode:        parsed.serverExposureMode === "network-accessible" ? "network-accessible" : "local-only",    };  } catch {    return DEFAULT_DESKTOP_SETTINGS;  }} export function writeDesktopSettings(settingsPath: string, settings: DesktopSettings): void {  const directory = Path.dirname(settingsPath);  const tempPath = `${settingsPath}.${process.pid}.${Date.now()}.tmp`;  FS.mkdirSync(directory, { recursive: true });  FS.writeFileSync(tempPath, `${JSON.stringify(settings, null, 2)}\n`, "utf8");  FS.renameSync(tempPath, settingsPath);}