Function useLoginPolling

cli/src/hooks/use-login-polling.ts:24–111

({
  loginUrl,
  fingerprintId,
  fingerprintHash,
  expiresAt,
  isWaitingForEnter,
  onSuccess,
  onTimeout,
  onError,
}: UseLoginPollingParams)

 * Extracts the 109-line polling effect from login-modal.tsx
 */
export function useLoginPolling({
  loginUrl,
  fingerprintId,
  fingerprintHash,
  expiresAt,
  isWaitingForEnter,
  onSuccess,
  onTimeout,
  onError,
}: UseLoginPollingParams) {
  // Store callbacks in refs to prevent effect re-runs
  const onSuccessRef = useRef(onSuccess)
  const onTimeoutRef = useRef(onTimeout)
  const onErrorRef = useRef(onError)

  useEffect(() => {
    onSuccessRef.current = onSuccess
  }, [onSuccess])

  useEffect(() => {
    onTimeoutRef.current = onTimeout
  }, [onTimeout])

  useEffect(() => {
    onErrorRef.current = onError
  }, [onError])

  useEffect(() => {
    // fingerprintHash only becomes non-null after the login-URL mutation
    // succeeds, and that path always sets fingerprintId first — so gating
    // on fingerprintHash implicitly gates on fingerprintId.
    if (!loginUrl || !fingerprintId || !fingerprintHash || !expiresAt || !isWaitingForEnter) {
      return
    }

    let active = true

    const sleep = (ms: number) =>
      new Promise<void>((resolve) => {
        setTimeout(resolve, ms)
      })

    pollLoginStatus(
      {
        sleep,
        logger,
      },
      {
        baseUrl: LOGIN_WEBSITE_URL,
        fingerprintId: fingerprintId!,
        fingerprintHash,
        expiresAt,
        shouldContinue: () => active,
      },
    )
      .then((result) => {
        if (!active) {
          return