Function cleanup

src/setup/prompt.ts:154–159

()

    };

    const cleanup = (): void => {
      try { stdin.removeListener('keypress', onKey); } catch { /* ignore */ }
      try { if (stdin.isTTY) (stdin as any).setRawMode(false); } catch { /* ignore */ }
      stdout.write('\x1b[?25h'); // restore cursor
      try { stdin.pause(); } catch { /* ignore */ }
    };

    let numBuf = '';
    let numTimer: ReturnType<typeof setTimeout> | undefined;