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【根因鏈修復】 MCP Provider bugs → PreDecisionInvestigator 失敗 → Agent Debate 無上下文 → LLM 逾時 → description="待分析" → ADR-091 鐵閘攔截 → tg_sent 未設 → W-2 Watchdog 誤報「靜默故障」 【六大修復】 1. MCP Provider 三蟲修復 - ssh_provider: asyncssh.run() → conn.run() - prometheus_provider: KeyError 'query' → .get() 容錯 - k8s_provider: 空 pod_name → 早返回錯誤字典 2. Agent Debate / 決策品質 - decision_manager: 逾時降級文字改為明確描述(繞過 ADR-091 鐵閘) - intent_classifier: LLM 逾時降級至關鍵字分類(非 None) 3. Watchdog 誤報修復(ADR-092 B3) - W-2: tg_sent Redis TTL → telegram_message_id IS NULL(DB 真值) - W-5 新增: suggested_action IN 空/待分析/NO_ACTION + tg_id IS NULL - approval_timeout_resolver: 60min → 15min,batch 50 → 200 4. Config Drift 自動化 - drift_adopt_service: auto_adopt_if_safe() 六條件安全閘 - drift.py: 背景任務先嘗試自動採納再發人工 Telegram 卡片 5. Playbook 飛輪穩定 - playbook_seed_service: 修復幂等性(deprecated 不視為缺失) - playbook_evolver: 只載 DRAFT+APPROVED(非全部 294 筆) 6. 可觀測性 - alert_rule_engine: auto_rule 結構化日誌 + Redis 計數器(pipeline) - auto_approve: reject 原因 Redis 計數器 - heartbeat_report_service: 新增「⚙️ 自動化統計(今日)」區塊 【待人工執行】 psql $DATABASE_URL -f apps/api/migrations/cleanup_duplicate_deprecated_playbooks.sql Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>