add_action('wp_head', function() {
    if (current_user_can('manage_options')) {
        global $template;
        echo '<div style="position:fixed; top:0; left:0; background:red; color:white; padding:5px 15px; z-index:99999; font-weight:bold; direction:ltr;">
                📄 الملف الحالي: ' . basename($template) . '
              </div>';
    }
});