feat(hyprland): emit compositor config as lua

configs/nixos/modules/desktop/session/hyprland/hyprlock.nix

@@ -6,6 +6,16 @@
 }:
 # The lock screen: a hyprlock session-lock surface the compositor owns.
 let
+  execBind = key: command: {
+    _args = [
+      key
+      (luaCall "hl.dsp.exec_cmd" [ command ])
+    ];
+  };
+  luaCall =
+    function: args:
+    lib.generators.mkLuaInline "${function}(${lib.concatMapStringsSep ", " toLua args})";
+
   user = config.user.name;
 
   # The hyprlock this module installs, used by the lock keybind below.
@@ -15,6 +25,7 @@ let
   sleepOffIcon = builtins.fromJSON ''"\udb81\udcb3"'';
 
   idleLockToggle = pkgs.writeShellScript "lockscreen-idle-inhibit-toggle" ''
+
     unit=lockscreen-idle-inhibit.service
 
     refresh_waybar() {
@@ -42,6 +53,7 @@ let
       ${pkgs.swayosd}/bin/swayosd-client --custom-message "${sleepOffIcon}"
     fi
   '';
+  toLua = lib.generators.toLua { };
 in
 {
   options.modules.desktop.session.hyprland.hyprlock.enable =
@@ -86,8 +98,8 @@ in
       # The guard drops the keypress when a locker is already up, so a second
       # hyprlock never stacks over the first.
       wayland.windowManager.hyprland.settings.bind = [
-        "$mod, X, exec, ${pkgs.procps}/bin/pidof hyprlock || ${hyprlock}"
-        "$mod CTRL, X, exec, ${idleLockToggle}"
+        (execBind "SUPER + X" "${pkgs.procps}/bin/pidof hyprlock || ${hyprlock}")
+        (execBind "SUPER + CTRL + X" "${idleLockToggle}")
       ];
     };
   };