The Stop hook only runs a ~500ms visual flash; 20 seconds was far more
than any realistic process-start latency needs, including the one-time
native shim compile on Windows.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
max_threads is a legacy alias; the current Codex config sample only
documents max_concurrent_threads_per_session under [agents]. Confirmed
against the official sample configuration before renaming.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>