{"name":"Node.js Captcha Decryption Service (Cluster)","version":"2.0.0","cluster":true,"pid":16509,"workers_per_process":8,"worker_pool_status":{"total":8,"active":0,"idle":8,"queued":0,"utilization":"0%"},"encryption":"V4 签名加密协议 (sign + AES-CBC)","endpoints":{"POST /decrypt_match":"解密验证码数据（支持高并发）","GET /health":"健康检查","GET /pool_status":"Worker 池状态","GET /results/:id":"获取解密结果","GET /results":"列出所有结果"}}