fix(hyprland): force lua config at login

configs/nixos/modules/desktop/session/login.nix

@@ -6,6 +6,9 @@
 }:
 # Text login: greetd running the tuigreet greeter, which starts the session
 # through the universal Wayland session manager.
+let
+  hyprlandConfig = "/home/${config.user.name}/.config/hypr/hyprland.lua";
+in
 {
   options.modules.desktop.session.login.enable =
     lib.mkEnableOption "greetd with the tuigreet text greeter";
@@ -15,7 +18,7 @@
       enable = true;
       settings.default_session.command =
         "${lib.getExe pkgs.tuigreet} --time --remember "
-        + "--cmd 'uwsm start -e -D Hyprland hyprland.desktop'";
+        + "--cmd 'HYPRLAND_CONFIG=${hyprlandConfig} uwsm start -e -D Hyprland hyprland.desktop'";
     };
   };
 }