better consistency, add dotfiles for takamaki and new features

modules/global/home.nix

@@ -1,6 +1,6 @@
 { inputs, self, ... }: {
   flake.homeModules.global = { lib, config, pkgs, ... }: {
-    nix.gc = {
+    nix.gc = lib.mkIf (!config.features.applications.cli.nh.enable) {
       automatic = true;
       persistent = true;
       dates = "Sun 05:00";
@@ -25,18 +25,24 @@
       username = "grey";
       homeDirectory = "/home/${config.home.username}";
 
-      file = inputs.helpers.homeFilesFromStringAttrs {
-        dir = ".local/bin";
-        attrs = config.features.applications.shellScripts;
-        exec = true;
-      };
+      file = inputs.helpers.localBinFromStringAttrs config.features.applications.shellScripts;
     };
 
+    targets.genericLinux.enable = config.info.isStandalone;
+
     xdg = {
       enable = true;
       localBinInPath = true;
+      portal = lib.mkIf (config.info.isStandalone) {
+        enable = true;
+        xdgOpenUsePortal = true;
+        config.common.default = "*";
+        extraPortals = with pkgs; [ xdg-desktop-portal-gtk xdg-desktop-portal-gnome ];
+      };
     };
 
+    services.gnome-keyring.enable = config.info.isStandalone;
+
     programs = {
       git = {
         enable = true;