feat(flywheel): W1 PR-R1 規則→Playbook 遷移 + PR-K1 timeline 防禦 ALTER
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W1 第二波:onboarder 飛輪 80→90 路徑剩餘兩件 PR。

## PR-R1 — 25 條 yaml 規則 → DRAFT Playbook 遷移

斷鏈背景(onboarder C2):alert_rules.yaml 25 條規則 68% 寫死 RESTART,
沒有對應 Playbook → RAG 永遠 generic_fallback → 規則命中率沒回饋給 catalog。

修法:
- 新建 services/rule_to_playbook_migrator.py
  - 自動從 alert_rules.yaml 解析每條 rule
  - 產生 PlaybookRecord(status=DRAFT, ai_confidence=0.3, source=YAML_RULE)
  - 誠實標示信心 0.3(非假 1.0,違反 feedback_confidence_truthfulness)
  - INSERT ON CONFLICT 冪等(name LIKE 'AutoMigrated: %' 去重,不擾動 seed)
- 新建 scripts/migrate_rules_to_playbooks.py(CLI: --dry-run/--commit/--disable-flag)
- ENABLE_RULE_MIGRATION_DRAFT=true(rollback flag)
- 23 測試覆蓋(parse / build_dict / idempotent / dry_run / action_type /
  severity_map / feature_flag / wildcard_filter / partial_existing 等)

## PR-K1 — timeline_events 防禦性 ALTER(db-expert finding)

任務原前提錯誤:onboarder 報告的 C7 斷鏈(incident_id 欄位)在
2026-04-24 P1.6 已修復 ORM。但生產環境若在 P1.6 前已建表,create_all 跳過
已存在的表 → ORM 寫入 SELECT 仍可能找不到 column。

修法:
- db/base.py:init_db() 補防禦性 ALTER:
  ALTER TABLE timeline_events ADD COLUMN IF NOT EXISTS incident_id VARCHAR(64);
  CREATE INDEX IF NOT EXISTS ix_timeline_incident_id ON timeline_events(incident_id);
- IF NOT EXISTS 為 no-op 安全(已有 column 不做事)
- stage 欄位是任務描述的幻覺(codebase 0 writer),不新增

未做:
- alembic migration(專案不用 alembic,遵循既有 init_db ALTER pattern)
- onboarder C7 在 ORM 層已修,本 commit 確保 prod schema 對齊

## 驗證
- 1608 unit tests 全綠(+23 from 1585)
- PR-R1 23 個測試獨立通過

## 期望影響
- 飛輪 RAG 終於有 25 條 DRAFT Playbook 可查 → +5 分
- prod schema 對齊保險 → 防 ORM SELECT 失敗

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Your Name
2026-04-29 10:49:25 +08:00
parent c5753e1c57
commit 681b5ac949
5 changed files with 1024 additions and 0 deletions

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@@ -220,6 +220,21 @@ async def init_db() -> None:
""")
)
# 2026-04-29 ogt + Claude Opus 4.7: PR-K1 防禦性 ALTER (db-expert finding)
# P1.6 (2026-04-24) ORM 已加 timeline_events.incident_id但 prod 若在 P1.6 前
# 已建表create_all 跳過已存在的表 → ALTER 不會跑 → ORM 寫入 SELECT 找不到欄位
# 補防禦性 IF NOT EXISTS已有 column 為 no-op安全
await conn.execute(
text("""
ALTER TABLE timeline_events
ADD COLUMN IF NOT EXISTS incident_id VARCHAR(64);
""")
)
await conn.execute(text(
"CREATE INDEX IF NOT EXISTS ix_timeline_incident_id "
"ON timeline_events(incident_id);"
))
# 2026-04-15 ogt + Claude Sonnet 4.6(亞太): Phase 6 自我治理閉環
# ADR-087: ai_governance_events 不可變 Event Sourcing 表
# asyncpg 不允許 prepared statement 內多條指令,必須分開 execute