A new bullet, placed right after the one on how UI checks run (headless browser, Android emulator):
- UI checks run in a headless browser through the `browser` skill … (its header describes the commands).
- Tests, live checks and demo renders run without disturbing the owner's machine: no sound through its speakers (TTS such as Kokoro renders to files) and no windows popping up on its screen; run headless whenever possible.
- Reviews of the code (security, code quality and the like) always bring in Codex …