backlight, but its still broken…

configuration.nix

@@ -319,6 +319,9 @@
     '';
   };
 
+  # backlight
+  programs.light.enable = true;
+
   # This value determines the NixOS release from which the default
   # settings for stateful data, like file locations and database versions
   # on your system were taken. It‘s perfectly fine and recommended to leave

home.nix

@@ -86,7 +86,6 @@ let username = "clara"; in
     vdhcoapp
     inkscape
     prusa-slicer
-    light
   ] ++ (if x11mode then [
     arandr
     flameshot

programm_configs/sway.nix

@@ -38,6 +38,10 @@
         "XF86AudioLowerVolume" = "exec --no-startup-id wpctl set-volume @DEFAULT_SINK@ 5%-";
         "XF86AudioMute" = "exec --no-startup-id wpctl set-mute @DEFAULT_SINK@ toggle";
 
+        # light
+        "XF86MonBrightnessDown" = "exec --no-startup-id light -U 10.0";
+        "XF86MonBrightnessUp" = "exec --no-startup-id light -A 10.0";
+
         # Terminal
         "${mod}+Return" = "exec alacritty";
         "${mod}+Shift+q" = "kill";