"Stdlib only" is true of the module, not of how the wrapper runs it: `python -m lib_py.delegation.wrapper` imports lib_py/delegation/__init__.py first, which loads the service and paho-mqtt. The docstring now says so; the wrapper's $PY already needs paho. The run path is unchanged. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HCGpJXhSZasJLU38ksDghe