fix(governance): 修反消音化 W-3/W-4 守衛 + Prometheus 補資料缺失告警
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【統帥怒訓 — 違反 feedback_full_chain_first_then_fix.md 鐵律】
前次 commit f1362fcc 用 skip 條件把告警吞掉,是消音化解法:
- W-3:total_exec<10 永遠 skip → Redis 永遠空也不會告警
- W-4:playbooks total==0 永遠 skip → 表被清空也不會告警
- Prometheus NaN sentinel + 既有 < 0.1 規則疊加後沒任何路徑會告警
統帥怒訓「又把告警給消失了」「已經這樣做幾次了」。本 commit 救回告警可見性。
【修法 — 啟動 30 分鐘寬限 + 過期改打資料管線斷新告警】
- ai_slo_watchdog_job.py 新增模組層 _PROCESS_START 與 _grace_active() 守衛:
- W-3a:metric 有資料 + rate<0.30 → 既有「飛輪成功率過低」
- W-3b:rate=None 且 uptime>30min → 新告警「飛輪資料管線無流量」
- W-4a:playbooks total>0 + approved=0 → 既有「自動修復鏈路斷裂」
- W-4b:playbooks total=0 且 uptime>30min → 新告警「Playbook 表初始化失敗」
- 3 份 Prometheus rule(k8s/monitoring/flywheel-alerts.yaml、
ops/monitoring/alerts.yml、ops/monitoring/alerts-unified.yml)新增
FlywheelExecutionRateMissing:absent() 或 NaN 持續 30 分鐘 → 告警,
與 watchdog W-3b 雙保險
【已加入 memory】
feedback_silencing_alerts_recurring_violation.md 鎖入紅線鐵律:
「fresh deploy / init guard 用 skip 吞告警 = 結構性失職,必須分流寬限期 +
過期改打資料管線斷新告警」
【驗證】
106 個治理相關 unit test 全過:
test_trust_drift_watchdog / test_governance_agent / test_failover_alerter /
test_check_trust_drift_commit_outside_context_poc /
test_governance_remediation_dispatch / test_ai_governance_endpoints /
test_governance_dispatcher
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
@@ -20,6 +20,7 @@ ADR-092 B3 (2026-04-24 ogt + Claude Sonnet 4.6 Asia/Taipei):
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from __future__ import annotations
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import asyncio
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import time
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import uuid
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from datetime import UTC, datetime, timedelta
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@@ -40,6 +41,17 @@ _TG_SILENCE_THRESHOLD = 2 # PENDING telegram_message_id IS NULL 告警門檻
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_FLYWHEEL_SUCCESS_MIN = 0.30 # 執行成功率下限
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_STUCK_ANALYSIS_THRESHOLD = 3 # Agent Debate 失敗導致卡住的告警門檻
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# 2026-05-03 ogt + Claude Opus 4.7 — feedback_silencing_alerts_recurring_violation
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# 啟動寬限期:30 分鐘內可 skip「資料還沒到」噪音;超過寬限期仍空 = 真資料管線斷,必須告警
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# 不可單獨用 skip 吞告警 — 一定要配對打「初始化期過、資料應該來但沒來」新告警
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_INIT_GRACE_SEC = 1800
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_PROCESS_START = time.monotonic()
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def _grace_active() -> bool:
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"""啟動 30 分鐘內為寬限期;超過後資料缺失必須告警"""
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return (time.monotonic() - _PROCESS_START) < _INIT_GRACE_SEC
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async def run_ai_slo_watchdog_loop() -> None:
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"""
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@@ -82,29 +94,51 @@ async def _check_once() -> None:
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except Exception as e:
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logger.warning("watchdog_w2_tg_silence_check_failed", error=str(e))
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# W-3: 飛輪執行成功率過低
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# 2026-05-02 ogt + Claude Sonnet 4.6 — Bug 2 修復(fresh deploy 假告警)
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# execution_success_rate=None 代表樣本不足(total_exec < FLYWHEEL_MIN_SAMPLE),
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# 跳過本次 W-3 檢查,避免每次 restart / fresh deploy 必噴「飛輪成功率 0%」假告警
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# W-3a: 飛輪執行成功率過低(有樣本但低於門檻)
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# W-3b: 啟動寬限期過後仍無樣本 = 飛輪資料管線斷流(rate=None > 30min)
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# 2026-05-03 ogt + Claude Opus 4.7(亞太)— feedback_silencing_alerts_recurring_violation
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# 2026-05-02 的 W-3 修復用 `rate is None: skip` 把告警吞了,違反「禁消音化解法」鐵律。
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# 修正:分流 — 啟動 30 分鐘內 skip(避免 fresh deploy 噪音),超過寬限期仍 None
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# 改打「資料管線無流量」告警,補回故障可見性。
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try:
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from src.services.flywheel_stats_service import FlywheelStatsService
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metrics = await FlywheelStatsService().compute()
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if metrics and metrics.execution_success_rate is None:
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logger.debug("watchdog_w3_skipped_insufficient_sample", reason="execution_sample_below_min")
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if _grace_active():
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logger.debug(
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"watchdog_w3_init_grace_skip",
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reason="execution_sample_below_min",
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uptime_sec=int(time.monotonic() - _PROCESS_START),
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)
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else:
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violations.append(
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"飛輪執行成功率資料管線無流量(uptime > 30min 仍無樣本)"
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)
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elif metrics and metrics.execution_success_rate < _FLYWHEEL_SUCCESS_MIN:
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violations.append(f"飛輪執行成功率 {metrics.execution_success_rate:.1%} < {_FLYWHEEL_SUCCESS_MIN:.0%}")
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violations.append(
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f"飛輪執行成功率 {metrics.execution_success_rate:.1%} < {_FLYWHEEL_SUCCESS_MIN:.0%}"
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)
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except Exception as e:
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logger.warning("watchdog_w3_flywheel_check_failed", error=str(e))
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# W-4: 無 APPROVED Playbook(自動修復鏈路斷裂)
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# 2026-05-02 ogt + Claude Sonnet 4.6 — Bug 4 修復(全封存初始化誤報)
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# 原邏輯:approved==0 即告警,未排除「playbooks 表本身為空」的初始化 / migration 場景
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# 修法:先查 total count,total==0 表示表初始化中 → skip 並 log;
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# total>0 且 approved==0 才是真正的「全封存」斷鏈告警
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# W-4a: 無 APPROVED Playbook(total > 0 但 approved=0,evolver 全封存自動修復斷鏈)
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# W-4b: 啟動寬限期過後 playbooks 表仍空(migration 沒跑 / 表被清空)
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# 2026-05-03 ogt + Claude Opus 4.7(亞太)— feedback_silencing_alerts_recurring_violation
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# 2026-05-02 的 W-4 修復用 `total==0: skip` 把告警吞了,violates 同樣鐵律。
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# 修正:分流 — 啟動 30 分鐘內 skip,超過寬限期仍 0 改打「Playbook 表初始化失敗」告警。
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try:
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approved_count, total_playbook_count = await _count_approved_playbooks()
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if total_playbook_count == 0:
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logger.info("watchdog_w4_skipped_empty_table", reason="playbook_table_empty_likely_initializing")
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if _grace_active():
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logger.info(
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"watchdog_w4_init_grace_skip",
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reason="playbook_table_empty_likely_initializing",
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uptime_sec=int(time.monotonic() - _PROCESS_START),
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)
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else:
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violations.append(
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"Playbook 表為空 — 初始化失敗或表被清空(uptime > 30min 仍 0 筆)"
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)
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elif approved_count == 0:
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violations.append("無 APPROVED Playbook — 自動修復鏈路斷裂(evolver 可能全部封存)")
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except Exception as e:
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@@ -123,20 +157,23 @@ async def _check_once() -> None:
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except Exception as e:
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logger.warning("watchdog_w5_stuck_analysis_check_failed", error=str(e))
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# W-6: Trust Drift 偵測(Playbook 信任度分布偏態)
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# P2.6 接入 2026-04-24 ogt + Claude Sonnet 4.6
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# trust_drift_detector 是孤立服務,此處首次接入 watchdog 自動觸發
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# W-6: Trust Drift 偵測(Playbook 信任度漂移)
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# 2026-05-02 ogt + Claude Sonnet 4.6(亞太): 整併雙寫路徑
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# 原行為:呼叫 trust_drift_detector.run() 直接寫 event_type=trust_drift 到 PG
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# governance_agent.check_trust_drift() 每 1h 也寫同一 event_type → 雙寫
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# 整併:改呼叫 governance_agent.check_trust_drift() 為唯一 source-of-truth
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# W-6 watchdog 仍每 15 分鐘執行(感知器),violations 計數用於 meta-alert 觸發
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# PG 寫入由 governance_agent._alert() 統一處理,避免雙寫
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try:
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from src.services.trust_drift_detector import get_trust_drift_detector
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dist = await get_trust_drift_detector().run()
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if dist.drift_detected:
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drift_labels = {
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"optimism_bias": "盲目樂觀 — PostExecutionVerifier 可能失效或 RAG 資料污染",
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"confidence_collapse": "學習鎖死 — EWMA 計算異常或所有執行誤判失敗",
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}
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label = drift_labels.get(dist.drift_type or "", dist.drift_type or "未知")
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from src.services.governance_agent import get_governance_agent
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trust_result = await get_governance_agent().check_trust_drift()
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if trust_result.get("drifted", 0) > 0:
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drifted = trust_result["drifted"]
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auto_deprecated = trust_result.get("auto_deprecated", 0)
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kept = trust_result.get("kept", 0)
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violations.append(
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f"Trust Drift 偵測到 {label}(高分 {dist.high_ratio:.0%} / 低分 {dist.low_ratio:.0%},共 {dist.total} 個 Playbook)"
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f"Trust Drift 偵測到 {drifted} 個 Playbook 信任度低落"
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f"(auto-deprecated: {auto_deprecated},待人工審核: {kept})"
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)
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except Exception as e:
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logger.warning("watchdog_w6_trust_drift_check_failed", error=str(e))
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@@ -42,7 +42,11 @@ spec:
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description: "Playbook 數量持續 1 小時為 0,飛輪學習節點完全失效。"
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runbook: "執行 scripts/cold_start_playbooks.py 冷啟動"
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# P0: 執行成功率極低
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# P0: 執行成功率極低(有資料但低於門檻)
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# 2026-05-03 ogt + Claude Opus 4.7(亞太)— anti-silencing 補配對告警
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# 新版 flywheel_stats_service 樣本不足會 emit NaN(Prom 把 NaN 當 stale 不參與比較)
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# 故此規則只在「有資料、值低於 0.1」時觸發,不會被 NaN 誤觸;
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# 真正的「資料管線斷流」由下方 FlywheelExecutionRateMissing 補打。
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- alert: FlywheelExecutionSuccessLow
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expr: awoooi_flywheel_execution_success_rate < 0.1
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for: 2h
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@@ -55,6 +59,22 @@ spec:
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description: "執行成功率 {{ $value | humanizePercentage }},低於健康基線 10%。"
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runbook: "檢查 decision_manager 日誌,確認 target 解析和 SSH MCP 狀態"
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# P0: 飛輪執行率資料管線斷流(NaN sentinel + 30 分鐘無資料)
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# 2026-05-03 ogt + Claude Opus 4.7(亞太)— feedback_silencing_alerts_recurring_violation
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# 配對 FlywheelExecutionSuccessLow:當指標連續 30 分鐘為 NaN(樣本不足 sentinel)
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# 即代表「資料應該來但沒來」,watchdog W-3b 也會打同一情境,雙保險。
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- alert: FlywheelExecutionRateMissing
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expr: absent(awoooi_flywheel_execution_success_rate) or (awoooi_flywheel_execution_success_rate != awoooi_flywheel_execution_success_rate)
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for: 30m
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labels:
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severity: warning
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alert_category: infrastructure
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notification_type: TYPE-3
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annotations:
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summary: "飛輪執行率指標連續 30 分鐘無資料"
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description: "execution_success_rate 連續 30 分鐘為 NaN 或不存在,代表 Redis playbook 統計斷流(資料管線壞 / Redis flush / FlywheelStatsService 異常)。"
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runbook: "1) 檢查 Redis playbook:* keys 是否存在 2) 檢查 FlywheelStatsService 日誌 3) /metrics endpoint 直接拉看 NaN 來源"
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# P0: KM 大量未向量化 → RAG 無法使用歷史案例
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- alert: FlywheelKMVectorizationLow
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expr: awoooi_flywheel_km_unvectorized_count > 10
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@@ -765,6 +765,8 @@ groups:
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summary: "飛輪 Playbook 數量為零,AI 修復完全依賴 LLM"
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description: "Redis 中無任何已批准 Playbook,自動修復能力大幅降低"
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runbook: "執行 scripts/cold_start_playbooks.py 冷啟動"
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# 2026-05-03 ogt + Claude Opus 4.7(亞太)— anti-silencing 補配對告警
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# NaN sentinel 不會被 < 0.1 誤觸;下方 FlywheelExecutionRateMissing 補「無資料」獨立告警
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- alert: FlywheelExecutionSuccessLow
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expr: awoooi_flywheel_execution_success_rate < 0.1
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for: 2h
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@@ -779,6 +781,20 @@ groups:
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summary: "飛輪執行成功率 {{ $value | humanizePercentage }} 低於 10%"
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description: "連續 2 小時執行成功率不足 10%,Playbook 可能已過時"
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runbook: "檢查 decision_manager 日誌,確認 target 解析和 SSH MCP 狀態"
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- alert: FlywheelExecutionRateMissing
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expr: absent(awoooi_flywheel_execution_success_rate) or (awoooi_flywheel_execution_success_rate != awoooi_flywheel_execution_success_rate)
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for: 30m
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labels:
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severity: warning
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layer: k8s
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team: aiops
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auto_repair: "false"
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alert_category: flywheel_health
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notification_type: TYPE-8M
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annotations:
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summary: "飛輪執行率指標 30 分鐘無資料"
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description: "execution_success_rate 連續 30 分鐘為 NaN 或不存在,Redis playbook 統計斷流(資料管線壞 / Redis flush / FlywheelStatsService 異常)"
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runbook: "1) 檢查 Redis playbook:* keys 2) 檢查 FlywheelStatsService 日誌 3) curl /metrics 直接拉看 NaN 來源"
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- alert: FlywheelKMVectorizationLow
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expr: awoooi_flywheel_km_unvectorized_count > 10
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for: 30m
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@@ -771,6 +771,8 @@ groups:
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summary: "飛輪 Playbook 數量為零,AI 修復完全依賴 LLM"
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description: "Redis 中無任何已批准 Playbook,自動修復能力大幅降低"
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runbook: "執行 scripts/cold_start_playbooks.py 冷啟動"
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# 2026-05-03 ogt + Claude Opus 4.7(亞太)— anti-silencing 補配對告警
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# NaN sentinel 不會被 < 0.1 誤觸;下方 FlywheelExecutionRateMissing 補「無資料」獨立告警
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- alert: FlywheelExecutionSuccessLow
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expr: awoooi_flywheel_execution_success_rate < 0.1
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for: 2h
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@@ -785,6 +787,20 @@ groups:
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summary: "飛輪執行成功率 {{ $value | humanizePercentage }} 低於 10%"
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description: "連續 2 小時執行成功率不足 10%,Playbook 可能已過時"
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runbook: "檢查 decision_manager 日誌,確認 target 解析和 SSH MCP 狀態"
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- alert: FlywheelExecutionRateMissing
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expr: absent(awoooi_flywheel_execution_success_rate) or (awoooi_flywheel_execution_success_rate != awoooi_flywheel_execution_success_rate)
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for: 30m
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labels:
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severity: warning
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layer: k8s
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team: aiops
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auto_repair: "false"
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alert_category: flywheel_health
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notification_type: TYPE-8M
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annotations:
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summary: "飛輪執行率指標 30 分鐘無資料"
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description: "execution_success_rate 連續 30 分鐘為 NaN 或不存在,Redis playbook 統計斷流(資料管線壞 / Redis flush / FlywheelStatsService 異常)"
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runbook: "1) 檢查 Redis playbook:* keys 2) 檢查 FlywheelStatsService 日誌 3) curl /metrics 直接拉看 NaN 來源"
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- alert: FlywheelKMVectorizationLow
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expr: awoooi_flywheel_km_unvectorized_count > 10
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for: 30m
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