- Add ops-jrz1-vm NixOS configuration to flake outputs
- Create hosts/ops-jrz1-vm.nix with VM-specific settings
- Configure test credentials (root:test) for local testing
- Import all Matrix platform modules for validation
- Enable VM testing workflow to catch deployment issues early
The VM config uses specialArgs to pass pkgs-unstable for Matrix
packages while keeping the base system on nixpkgs 24.05 stable.