still trying to get it working...

hosts/tulkas/default.nix

@@ -1,4 +1,6 @@
-{ config, ... }:
+{ lib, config, ... }:let
+  inherit (lib) mkForce;
+in
 {
   modules = {
     system.audio.enable = true;
@@ -13,6 +15,7 @@
 
       shell = {
         default = "zsh";
+        toolset.git.enable = mkForce false;
       };
     };
   };

hosts/tulkas/hardware.nix

@@ -1,4 +1,4 @@
-{ config, lib, pkgs, modulesPath, ... }:
+{ config, lib, modulesPath, ... }:
 let
   inherit (lib.modules) mkDefault;
 in

modules/system/desktop/gaming.nix

@@ -12,6 +12,13 @@ in
 
   config = mkIf cfg.enable {
     jovian = {
+      # devices = {
+      #   steamdeck = {
+      #     enable = true;
+      #     enableGyroDsuService = true;
+      #     autoUpdate = true;
+      #   };
+      # };
       steam = {
         enable = true;
         autoStart = true;