fix: walker and gtk4

modules/capabilities/theme.nix

@@ -77,9 +77,7 @@ in
           name = repoTheme.kanagawa.gtkThemeName;
           package = pkgs.kanagawa-gtk-theme.overrideAttrs (_: kanagawaOverride);
         };
-        gtk4.theme = {
+        gtk4.theme = null;
-          inherit (config.gtk.theme) name package;
-        };
         iconTheme = {
           name = repoTheme.kanagawa.iconThemeName;
           package = pkgs.kanagawa-icon-theme.overrideAttrs (_: kanagawaOverride);

modules/capabilities/walker.nix

@@ -1,15 +1,44 @@
 {
   flake.modules.homeManager.walker =
-    { config, lib, ... }:
+    {
+      config,
+      lib,
+      pkgs,
+      ...
+    }:
     let
+      elephantCommand = lib.getExe pkgs.elephant;
       launcherCommand = lib.getExe config.services.walker.package;
     in
     {
+      home.packages = [ pkgs.elephant ];
+
       services.walker = {
         enable = true;
         systemd.enable = true;
       };
 
+      systemd.user.services = {
+        elephant = {
+          Unit = {
+            Description = "Elephant application launcher backend";
+            PartOf = [ "graphical-session.target" ];
+            After = [ "graphical-session.target" ];
+          };
+          Install.WantedBy = [ "graphical-session.target" ];
+          Service = {
+            ExecStart = elephantCommand;
+            Restart = "always";
+            RestartSec = 10;
+          };
+        };
+
+        walker.Unit = {
+          Wants = [ "elephant.service" ];
+          After = [ "elephant.service" ];
+        };
+      };
+
       meta.desktop.launcher = {
         package = config.services.walker.package;
         commands = {