style: format code

modules/flake/treefmt.nix

@@ -4,14 +4,7 @@
     inputs.treefmt-nix.flakeModule
   ];
 
-  perSystem =
-    {
-      config,
-      pkgs,
-      system,
-      ...
-    }:
-    {
+  perSystem = {
     treefmt.config = {
       projectRootFile = "flake.nix";
       flakeCheck = true;

modules/hm/shell/opencode.nix

@@ -6,6 +6,7 @@
         theme = "system";
       };
       settings = {
+        model = "opencode-go/kimi-k3";
         provider = {
           google = {
             options = {

modules/nixos/desktop/gpu-screen-recorder.nix

@@ -0,0 +1,13 @@
+{
+  flake.modules.nixos.desktop =
+    { pkgs, ... }:
+    {
+      programs.gpu-screen-recorder = {
+        enable = true;
+      };
+
+      environment.systemPackages = with pkgs; [
+        gpu-screen-recorder-gtk
+      ];
+    };
+}