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[V10.331] 補強多組件商品比價同款判斷
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2026-05-20 13:51:19 +08:00
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### 2026-05-20：重開機後首頁熱路徑索引持久化
- **Dashboard / PChome 慢查詢修復**: 主機重開機後 `https://mo.wooo.work/` 首頁可用但多次逾時，實際瓶頸集中在首頁與 PChome coverage 查詢掃描 `products`、`price_records`、`competitor_match_attempts`。線上先補三個索引讓首頁恢復 200，並新增 `migrations/040_dashboard_hot_path_indexes.sql` 將修復持久化到 fresh restore / DB rebuild 流程。
- **Growth Analysis 冷快取修復**: `/growth_analysis` 在 `monthly_summary_analysis` 落後時會改掃 `realtime_sales_monthly` 聚合，冷計算約 14 秒；修正為 source fingerprint 未變時延長共享快取有效期，匯入流程仍主動清除快取，避免資料未變卻反覆掃大表。
- **PChome backfill pilot**: V10.328 diagnostics 欄位上線後先跑小批次，刷新過期 identity_v2 30 筆（11 筆成功更新）、高價未配對 15 筆全被低信心/單位價擋下；樣本確認多數 hard veto 正確，另補 `strong_component_line_match` 處理 Gennies 類同品牌完整多組件套組。
### 2026-04-29：ADR-017 Phase 3f 模組化收尾啟動
- **DB metadata 救急**: `database/manager.py` 改為顯式載入 permission / AI / autoheal / import / vendor / realtime_sales ORM，PostgreSQL 初始化透過 process-local guard + advisory lock 執行 `Base.metadata.create_all()`，避免新環境漏表與一般流量重複碰 DDL。