diff --git a/docs/LOGBOOK.md b/docs/LOGBOOK.md
index d488ff95..66359b74 100644
--- a/docs/LOGBOOK.md
+++ b/docs/LOGBOOK.md
@@ -5,6 +5,22 @@
 
 ---
 
+## 📍 當前狀態 (2026-04-05 Sprint 3 Host Auto-Repair 全閉環完成)
+
+| 項目 | 狀態 | Commit |
+|------|------|--------|
+| repair-bot-110.sh / repair-bot-188.sh | ✅ | 77253a5 |
+| SSH keypair + authorized_keys + K8s Secret | ✅ | 892c5d5 |
+| HostRepairAgent (TDD 12/12 通過) | ✅ | e7d8da8 |
+| ActionType.SSH_COMMAND + auto_repair_service | ✅ | bf4f814 |
+| K8s SSH key 掛載 (/etc/repair-ssh) | ✅ kubectl patch | |
+| 5個 Host Repair Playbooks seed | ✅ | b688eee |
+| Sprint 3 E2E 驗收 | ✅ | 全通過 |
+
+**全系統自愈閉環**: Prometheus/SigNoz 告警 → AWOOOI API → SSH → repair-bot → docker compose up -d
+
+---
+
 ## 📍 當前狀態 (2026-04-05 備份全面自動化完成)
 
 | 項目 | 狀態 | 說明 |