feat: add hypridle

nix/modules/desktop.nix

@@ -91,6 +91,32 @@
           ];
         };
       };
+      services.hypridle = {
+        enable = true;
+        settings = {
+          general = {
+            lock_cmd = "pidof hyprlock || hyprlock";
+            before_sleep_cmd = "loginctl lock-session";
+            after_sleep_cmd = "hyprctl dispatch dpms on";
+          };
+          listener = [
+            {
+              timeout = 150;
+              on-timeout = "brightnessctl -s set 10";
+              on-resume = "brightnessctl -r";
+            }
+            {
+              timeout = 300;
+              on-timeout = "loginctl lock-session";
+            }
+            {
+              timeout = 330;
+              on-timeout = "hyprctl dispatch dpms off";
+              on-resume = "hyprctl dispatch dpms on && brightnessctl -r";
+            }
+          ];
+        };
+      };
       gtk = {
         enable = true;
         theme.name = "Adwaita-dark";