refactor(hyprland): move terminal keybind to ghostty

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

@@ -12,6 +12,11 @@ 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.${config.networking.hostName}.ghostty = {
+      keys = "SUPER + Return";
+      command = "${pkgs.ghostty}/bin/ghostty";
+    };
+
     home-manager.users.${user}.home.packages = [ pkgs.ghostty ];
   };
 }

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

@@ -21,12 +21,6 @@ in
   options.modules.desktop.session.hyprland.enable = lib.mkEnableOption "the Hyprland compositor";
 
   config = lib.mkIf config.modules.desktop.session.hyprland.enable {
-    registry.keybind.${config.networking.hostName} = {
-      hyprland-terminal = {
-        keys = "SUPER + Return";
-        command = "ghostty";
-      };
-    };
 
     # This program integration owns the session, portals, and polkit, launched
     # through the universal Wayland session manager.

configs/nixos/registry/keybind.nix

@@ -1,5 +1,11 @@
-{ lib, ... }:
+{ lib, util, ... }:
 {
+  checks = [
+    {
+      assertion = util.registry.predicates.uniqueValue (entry: entry.value.keys);
+      message = "Desktop keybinds must use unique key chords.";
+    }
+  ];
 
   type = lib.types.submodule {
     options = {