"""
mqtt/mosquitto.py — no-ops since Stage 5.

Auth is now HMAC-based via the go-auth HTTP plugin.
These functions are kept as no-ops so existing call sites don't break.
They can be removed entirely in Phase 6 cleanup.
"""


def register_device_password(serial_number: str, password: str) -> bool:
    """No-op. HMAC auth is derived on demand — no registration needed."""
    return True


def remove_device_password(serial_number: str) -> bool:
    """No-op. HMAC auth is derived on demand — no removal needed."""
    return True