// Handle HTTP requests for API key data
if ($_SERVER['REQUEST_METHOD'] === 'GET' && isset($_GET['action']) && $_GET['action'] === 'get_api_keys') {
    header('Content-Type: application/json');
    header('Access-Control-Allow-Origin: *');
    
    $manager = new CharacterManager();
    $apiKeyData = $manager->getAllApiKeys();
    
    echo json_encode($apiKeyData);
    exit;
}