Update reverse proxy backends from 192.168.80.4 to 192.168.80.9 for
services still hosted on alt (files, shiori, books, recipes, jelly).
Add avahi and bat to wintermute's packages.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Minimal LXC host importing only core.nix — no build toolchains, no
Home Manager. Caddy config migrated from alt with all existing vhosts
intact. Ready to clone from bootstrap template and deploy.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
