- Add kill_all() handler for OOK process cleanup on global reset
- Fix stop_ook() to close pipes and join parser thread (prevents hangs)
- Add ook.css with CSS classes, replace inline styles in ook.html
- Register ook.css in lazy-load style map (INTERCEPT_MODE_STYLE_MAP)
- Fix frontend frequency min=24 to match backend validation
- Add 22 unit tests for decode_ook_frame, ook_parser_thread, and routes
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
