nixos/castle: Add libvirt

nixos/modules/tmproot.nix

@@ -463,6 +463,9 @@ in
           }
         ];
       })
+      (mkIf config.virtualisation.libvirtd.enable {
+        my.tmproot.persistence.config.directories = [ "/var/lib/libvirt" ];
+      })
     ]))
   ]);
 

nixos/modules/user.nix

@@ -35,8 +35,9 @@ in
             isNormalUser = true;
             uid = mkDefault 1000;
             extraGroups =
-              [ "wheel" "kvm" ] ++
-              (optional config.networking.networkmanager.enable "networkmanager");
+              [ "wheel" "kvm" "dialout" ] ++
+              (optional config.networking.networkmanager.enable "networkmanager") ++
+              (optional config.virtualisation.libvirtd.enable "libvirtd");
             password = mkIf (cfg.passwordSecret == null) (mkDefault "hunter2");
             shell =
               let shell = cfg.homeConfig.my.shell;