refactor(hyprland): restore stable keybind names

configs/nixos/modules/desktop/apps/ghostty.nix

@@ -12,7 +12,8 @@ in
   options.modules.desktop.apps.ghostty.enable = lib.mkEnableOption "Ghostty as the desktop terminal";
 
   config = lib.mkIf config.modules.desktop.apps.ghostty.enable {
-    registry.keybind.${config.networking.hostName}."SUPER + Return" = {
+    registry.keybind.${config.networking.hostName}.ghostty = {
+      keys = "SUPER + Return";
       action = {
         kind = "exec";
         command = "${pkgs.ghostty}/bin/ghostty";

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

@@ -35,9 +35,9 @@
       settings = {
         config.general.layout = "dwindle";
 
-        bind = lib.mapAttrsToList (keys: keybind: {
+        bind = lib.mapAttrsToList (_name: keybind: {
           _args = [
-            keys
+            keybind.keys
             (lib.generators.mkLuaInline "hl.dsp.exec_cmd(${lib.generators.toLua { } keybind.action.command})")
           ];
         }) (lib.attrByPath [ config.networking.hostName ] { } config.registry.keybind);