type PasskeyToastClosedListener = (toastToken: string) => void; let closedListener: PasskeyToastClosedListener | null = null; export function setPasskeyToastClosedListener(listener: PasskeyToastClosedListener): void { closedListener = listener; } export function notifyPasskeyToastClosed(toastToken: string): void { closedListener?.(toastToken); }