LYGO USB DEMO — 3 steps
1) Read README_DEMO_LOCKED.txt (this is a BETA demo, not the full USB kit).
2) Run launchers\DEMO_CHECK_SYSTEM.bat
3) After Ollama + a small model: launchers\DEMO_LIGHTFATHER_CHAT.bat

Learn the firmware story:
  Ethical-Chip-Firmware.html (P0.4 wall)
  Ethical-Chip-FirmwareV2.html (P0.5 heart)
  LYGOGUARDIAN.html (v3 Guardian)
  Links in docs\LYGO_USB_DEMO_GUIDE.md