IsekaiAIToolbox/includes/Hooks.php

<?php
namespace Isekai\ChatComplete;

use MediaWiki\MediaWikiServices;
use Config;

class Hooks {
    public static function onLoad(\OutputPage $outputPage) {
        $user = $outputPage->getUser();
        $permissionManager = MediaWikiServices::getInstance()->getPermissionManager();
        if ($user->isRegistered() && $permissionManager->userHasRight($user, 'chatcomplete')) {
            $outputPage->addModules(["ext.isekai.chatcomplete.launcher"]);
        }
    }

    public static function onResourceLoaderGetConfigVars(array &$vars, string $skin, Config $config){
        $vars['wgIsekaiChatCompleteFrontendUrl'] = $config->get('IsekaiChatCompleteFrontendUrl');
    }
}