Method cleanup

website/app/lib/cache.ts:52–59

()

  // 清理过期的缓存项
  cleanup(): void {
    const now = Date.now();
    Array.from(this.cache.entries()).forEach(([key, item]) => {
      if (now - item.timestamp > item.ttl) {
        this.cache.delete(key);
      }
    });
  }
}

export const cache = Cache.getInstance();