feat(hyprland): emit compositor config as lua

configs/nixos/modules/desktop/utilities/clipboard.nix

@@ -6,6 +6,16 @@
 }:
 # Clipboard history: cliphist records every copy, picked back through rofi.
 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;
 
   cliphist = "${pkgs.cliphist}/bin/cliphist";
@@ -22,6 +32,8 @@ let
       | ${cliphist} decode \
       | ${wl-copy}
   '';
+
+  toLua = lib.generators.toLua { };
 in
 {
   options.modules.desktop.utilities.clipboard.enable =
@@ -39,9 +51,8 @@ in
       # session so uwsm starts and stops them with it.
       services.cliphist.enable = true;
 
-      # $mod is defined by the compositor config these binds share.
       wayland.windowManager.hyprland.settings.bind = [
-        "$mod SHIFT, V, exec, ${picker}"
+        (execBind "SUPER + SHIFT + V" "${picker}")
       ];
     };
   };