- open-webui: submodule, LAN OIDC/Authentik-fronted, GPU-passthrough ollama, ollama-auth proxy, asr/tts wired via docker-compose.audio.yaml - spotify-voice-assistant: submodule, Home Assistant custom integration - tts-server / asr-server: plain directories, built as sidecars by open-webui/docker-stack.sh (no separate git history)