Migrate the full media batch from the monolith:
- jellyfin: auto-VAAPI on /dev/dri/renderD128 + render GID; DLNA/discovery UDP ports
- emby: UID/GID baked at install; HW transcoding block commented for manual opt-in
- audiobookshelf: separate audiobooks + podcasts paths; port 13378
- arm: optical drive detection; privileged:true; split movies/music output; port 8080
- lyrion: network_mode:host for Chromecast/Squeezebox UDP discovery; port 9000
- immich: multi-container stack (server+ML+valkey+postgres); two library strategies
(unified with import-photos.sh helper, or external read-only); port 2283
https://claude.ai/code/session_01Y4dMKtkqkpvmgDKoRdzhTG
