Function storePreview

server/src/creative-agent/preview-store.ts:18–26

(id: string, html: string)

const store = new Map<string, StoredPreview>();

export function storePreview(id: string, html: string): Date {
  if (store.size >= MAX_STORE_SIZE) {
    const oldest = store.keys().next().value;
    if (oldest) store.delete(oldest);
  }
  const expiresAt = Date.now() + PREVIEW_TTL_MS;
  store.set(id, { html, expiresAt });
  return new Date(expiresAt);
}

export function getPreview(id: string): string | null {
  const entry = store.get(id);