Friendly wrapper around `cmd_chat.py serve`: uses the project venv, mints a
random room password passed via $CMD_CHAT_PASSWORD (kept out of the process
list), prints the join command preferring the Tailscale IP, defaults to
--no-tls with an opt-in --tls (cert/key) path, and runs in the foreground.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
leetcrypt