const windowMs = 60 * 60 * 1000;
const maxHits = 8;
const buckets = new Map<string, number[]>();

export function rateLimitHit(key: string): boolean {
  const now = Date.now();
  const prev = buckets.get(key) ?? [];
  const fresh = prev.filter((t) => now - t < windowMs);
  fresh.push(now);
  buckets.set(key, fresh);
  return fresh.length <= maxHits;
}