export type GuestToastPayload = { text: string; type?: 'success' | 'error' | 'info'; action?: { label: string; onClick: () => void }; durationMs?: number; }; export function pushGuestToast(detail: GuestToastPayload) { if (typeof window === 'undefined') { return; } try { window.dispatchEvent(new CustomEvent('guest-toast', { detail })); } catch (error) { console.warn('Dispatching toast event failed', error); } }