修正: - ClawBotDown → OpenClawDown (舊命名廢棄) - 加入 SentryDown/HarborDown/GiteaDown/AlertmanagerDown - 所有規則補齊 layer/component/host/auto_repair 統一標籤 - 整合 k8s/monitoring/*.yaml → ops/monitoring/alerts-unified.yml Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>