特殊敏感时期高墙阻断应急灾备：闪电鼠自研冷备多入节点调度与全自动化自愈机制

[ 敏感时期 GFW 全网主动探测与公网阻断风暴 ]
       │  (封杀普通中转公网 IP / 阻断已知特征端口)
       ▼
[ 闪电鼠自研自动化健康巡检探针 (60秒高频全网雷达轮询) ]
       ├── 主入口状态正常 ──> 维持原定低延迟 IEPL 企业内网专线
       └── 监测到丢包/握手异常 ──> 15 秒内瞬时切换至隐藏冷备入口 (BGP Anycast)
       ▼
[ 闪电鼠跨海物理内网专线 ──> 流量不过公网审查 ──> 99.98% 恒定可用 ]

{
  "disaster_recovery_health_check": {
    "probe_interval_seconds": 60,
    "failover_trigger_loss_percent": 5,
    "cold_standby_pool": {
      "hk_backup_pool": ["10.244.18.10", "10.244.18.11"],
      "sg_backup_pool": ["10.244.20.10", "10.244.20.11"],
      "us_backup_pool": ["10.244.30.10", "10.244.30.11"]
    },
    "protocol_fallback": "VLESS-Reality-Vision-Direct",
    "sla_guarantee": "99.98% uptime during sensitive period"
  }
}