feat: further work moving towards parity

nixos/modules/gnome.nix

@@ -0,0 +1,15 @@
+{ config, lib, pkgs, ... }: let
+  inherit (lib.modules) mkIf;
+in {
+  config = mkIf config.role.gnome {
+    services.xserver = {
+      desktopManager.gnome.enable = true;
+      displayManager.gdm.enable = true;
+    };
+
+    environment.systemPackages = with pkgs.gnomeExtensions; [
+      dash-to-dock
+      gsconnect
+    ];
+  };
+}

nixos/modules/home.nix

@@ -0,0 +1,14 @@
+{ config, tree, machine, ... }: {
+  home-manager = {
+    useGlobalPkgs = true;
+    useUserPackages = true;
+    sharedModules = [
+      tree.home.modules
+      tree.system.modules
+    ];
+    extraSpecialArgs = {
+      inherit tree machine;
+      nixos = config;
+    };
+  };
+}

nixos/modules/laptop.nix

@@ -0,0 +1,8 @@
+{ config, lib, ... }: let
+  inherit (lib.modules) mkIf mkDefault;
+in {
+  config = mkIf config.role.laptop {
+    powerManagement.cpuFreqGovernor = mkDefault "powersave";
+    programs.light.enable = true;
+  };
+}

nixos/modules/personal.nix

@@ -0,0 +1,7 @@
+{ config, lib, ... }: let
+  inherit (lib.modules) mkIf;
+in {
+  config = mkIf config.role.personal {
+    services.fstrim.enable = true;
+  };
+}

nixos/modules/server.nix

@@ -1,16 +1,7 @@
 { config, lib, ... }: let
-  inherit (lib.options) mkOption mdDoc;
   inherit (lib.modules) mkIf;
   inherit (lib.attrsets) mapAttrsToList;
-  inherit (lib.types) bool;
 in {
-  options = {
-    role.server = mkOption {
-      type = bool;
-      description = mdDoc "Is this system's role a server?";
-      default = false;
-    };
-  };
   config = mkIf config.role.server {
     # Prevent services from being automatically killed on log-out
     # https://wiki.archlinux.org/title/systemd/User#Automatic_start-up_of_systemd_user_instances