Function launchApp

tests/e2e/helpers/app-launcher.js:147–270

* 启动 Electron 应用

(options = {}, deps = {})

 * 启动 Electron 应用
 */
async function launchApp(options = {}, deps = {}) {
  const spawnFn = deps.spawnFn || spawn
  const findPortFn = deps.findPortFn || findAvailablePortWithReservation
  const sleepFn = deps.sleepFn || ((ms) => new Promise((resolve) => setTimeout(resolve, ms)))
  const fsImpl = deps.fsImpl || fs

  let reservationServer = null
  let port = options.port
  const startPort = options.startPort ?? DEFAULT_START_PORT
  const maxPortRetries = options.maxPortRetries ?? DEFAULT_MAX_PORT_RETRIES
  const portProbeTimeoutMs = options.portProbeTimeoutMs ?? DEFAULT_PORT_PROBE_TIMEOUT_MS
  const startupWaitTime = options.startupWaitTime ?? DEFAULT_STARTUP_WAIT_MS
  const forceKillTimeoutMs = options.forceKillTimeoutMs ?? DEFAULT_FORCE_KILL_TIMEOUT_MS
  const envOverrides = options.envOverrides || {}

  if (!port) {
    const reservation = await findPortFn(startPort, maxPortRetries, 0, {
      listenTimeoutMs: portProbeTimeoutMs,
    })

    if (!reservation) {
      throw new Error('[AppLauncher] 无法找到可用端口')
    }
    port = reservation.port
    reservationServer = reservation.reservationServer
  }

  const userDataDir =
    options.userDataDir ||
    (process.env.CHATLAB_E2E_USER_DATA_DIR
      ? path.join(process.env.CHATLAB_E2E_USER_DATA_DIR, `instance-${port}`)
      : path.join(os.tmpdir(), `chatlab-e2e-${port}`))

  if (!fsImpl.existsSync(userDataDir)) {
    fsImpl.mkdirSync(userDataDir, { recursive: true })
  }

  const appPath = path.resolve(__dirname, '../../../apps/desktop')
  if (!fsImpl.existsSync(appPath)) {
    throw new Error(`[AppLauncher] 应用目录不存在: ${appPath}`)
  }

  const electronExe = resolveElectronExecutable(deps)

  if (!electronExe || !fsImpl.existsSync(electronExe)) {
    throw new Error(`Electron 可执行文件不存在: ${electronExe}`)
  }

  console.log(`[AppLauncher] 启动 Electron，CDP 端口: ${port}`)

  const electronArgs = [`--remote-debugging-port=${port}`, appPath]

  let proc
  let launchError = null
  let exitCode = null
  let exitSignal = null

  try {