anchor.diff:    services.yabai = {
       enable = true;
       package = pkgs.yabai;
  -    enableScriptingAddition = true;
  +    enableScriptingAddition = false;
       config = {
  -      focus_follows_mouse          = "autoraise";
  +      focus_follows_mouse          = "off";
         mouse_follows_focus          = "off";
         window_placement             = "second_child";
         window_opacity               = "off";
  
positive.code:         yabai -m signal --add event=application_terminated action="yabai -m query --windows --window &> /dev/null || yabai -m window --focus mouse"
        '';
      };
  }
  
negative.code:   # List packages installed in system profile. To search by name, run:
    # $ nix-env -qaP | grep wget
    environment.systemPackages =
      [
        pkgs.yabai
        pkgs.skhd
      ];
  
    # Use a custom configuration.nix location.
  