Luxury-UX cognitive firewall — bug-fix + polish release. Fixed packet double-fire, keyboard ALLOW conflict, and stuck challenge replay; added flash/shake/haptics/optional sound and a fail-open boot guard. Allow derived intent, block raw cognition — a game about the real AxonOS privacy-first real-time OS. Local-only, reads no neural data. Play: https://axonos-org.github.io/become-the-brain-os/