Adds nixpkgs unstable as a flake input and exposes pkgs-unstable via
specialArgs. code-server uses the unstable package so the Claude Code
extension version requirement is satisfied.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Deploys code-server on FredOS-Mediaserver (port 4444, user fred) with
Authelia one_factor auth and nginx reverse proxy. Includes claude-code
in system packages for use in the integrated terminal.
Also fixes anyrun launcher width to absolute 350px (was a tiny fraction).
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
