Trunk instance of Kleos backend API — auth proxy (Atoll), events proxy, and backend services for kleos-app. Service: kleos-api-trunk.service — deployed to ~/trunk/kleos/projects/api/backend/ with venv at ~/.virtualenvs/kleos-api/. Uses create_atoll_proxy_router() from shared atoll.py. LAN alias: kleos-api-trunk.internal. Deployed via vivo from ironclad ~/working/kleos/projects/api/.