correct hyprctl calling

hardware-configuration.nix

@@ -15,6 +15,11 @@
 
   systemd.services.heat-room = {
 	  description = "Morning room heating";
+    after = [ "graphical-session.target" ];
+    environment = {
+      WAYLAND_DISPLAY = "wayland-1";
+      XDG_RUNTIME_DIR = "/run/user/1000";
+    };
 	  serviceConfig = {
 	    Type = "oneshot";
 	    User = "jeremy";
@@ -22,7 +27,7 @@
 	  script = ''
       ${pkgs.furmark}/bin/furmark --demo furmark-gl &
       sleep 1s
-      hyprctl dispatch dpms off
+      ${pkgs.hyprland}/bin/hyprctl dispatch dpms off
       sleep 2h
       pkill furmark
 	  '';