Build self-contained macOS client and verify native beta path

project/python_ui_surface.gd

@@ -45,6 +45,13 @@ var _owns_app := false
 func run_app() -> String:
 	if not AssetRoot.pack_ready():
 		return "no 40250 Client/pack at %s" % AssetRoot.client_path()
+	# The exported Godot executable starts in Contents/Resources. 40250 writes mouse.cfg,
+	# metin2.cfg and other player settings relative to CWD, so move those writes to user://.
+	var data_dir := OS.get_user_data_dir()
+	if DirAccess.make_dir_recursive_absolute(data_dir) != OK:
+		return "cannot create user data directory at %s" % data_dir
+	OS.set_environment("MT_40250_CLIENT", AssetRoot.client_path())
+	OS.set_environment("MT_40250_USER_DATA_DIR", data_dir)
 	var err: String = Metin2PythonHost.start("")
 	if err != "":
 		return err