refactor(hyprland): add keybind action shape

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

@@ -14,7 +14,10 @@ in
   config = lib.mkIf config.modules.desktop.apps.ghostty.enable {
     registry.keybind.${config.networking.hostName}.ghostty = {
       keys = "SUPER + Return";
-      command = "${pkgs.ghostty}/bin/ghostty";
+      action = {
+        kind = "exec";
+        command = "${pkgs.ghostty}/bin/ghostty";
+      };
     };
 
     home-manager.users.${user}.home.packages = [ pkgs.ghostty ];

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

@@ -8,9 +8,14 @@ let
   mkBind = keybind: {
     _args = [
       keybind.keys
-      (lib.generators.mkLuaInline "hl.dsp.exec_cmd(${toLua keybind.command})")
+      (mkAction keybind.action)
     ];
   };
+
+  mkAction =
+    action:
+    lib.generators.mkLuaInline ({ exec = "hl.dsp.exec_cmd(${toLua action.command})"; }.${action.kind});
+
   keybinds = lib.attrValues (
     lib.attrByPath [ config.networking.hostName ] { } config.registry.keybind
   );

configs/nixos/registry/keybind.nix

@@ -15,10 +15,22 @@
         description = "Sets the key chord for this desktop keybind.";
       };
 
-      command = lib.mkOption {
-        type = lib.types.str;
-        example = "ghostty";
-        description = "Command executed by this keybind.";
+      action = lib.mkOption {
+        type = lib.types.submodule {
+          options = {
+            kind = lib.mkOption {
+              type = lib.types.enum [ "exec" ];
+              description = "Selects the keybind action kind.";
+            };
+
+            command = lib.mkOption {
+              type = lib.types.str;
+              example = "ghostty";
+              description = "Command executed by this keybind.";
+            };
+          };
+        };
+        description = "Declares the action this keybind runs.";
       };
     };
   };