fix(ratewise): 裁剪 PWA precache 修復行動冷啟動誤觸離線頁#502
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- precache 由 428 筆（約 34.5MB）降至 222 筆（約 11.8MB），排除幣別頁金額排列子頁 - 金額子頁改由 runtime html-cache 與 NavigationRoute 的 index.html SPA shell 還原 - 同步 offline.html 為 SSOT 模板產物（generate-offline-html.mjs 輸出） - 不改動 sw.ts 導覽邏輯 測試：typecheck 通過；pnpm test 全綠 2476+66；precache 222 筆 11.8MB 金額子頁洩漏 0 Generated with [Claude Code](https://claude.ai/code) via [Happy](https://happy.engineering) Co-Authored-By: Claude <noreply@anthropic.com> Co-Authored-By: Happy <yesreply@happy.engineering>
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Dependency Review✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.Scanned FilesNone |
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✅ SEO 審計通過！所有 2026 標準驗證項目都符合要求。
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- Tier 1 precache 僅留 app shell（index.html）+ JS/CSS + 路由 loader 清單 + 4 shell 圖示 + offline.html - 7.3MB 圖片改 runtime CacheFirst（image-cache 60 筆/30 天）；非 shell HTML 由 NavigationRoute 回退 app shell - 匯率 JSON 改 runtime SWR（GitHub raw + 同域 api/latest、api/pairs，7 天離線備援） - precache 由 222 筆/11.8MB 降至 92 筆/2.2MB；offline.html 僅作最後手段 - 保留 static-loader-data-manifest precache，離線 SPA 路由導覽不回歸 測試：typecheck 通過；PWA 相關 80 測試全綠；gate 92 筆/2.2MB 無洩漏；loader manifest 已 precache Generated with [Claude Code](https://claude.ai/code) via [Happy](https://happy.engineering) Co-Authored-By: Claude <noreply@anthropic.com> Co-Authored-By: Happy <yesreply@happy.engineering>
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✅ SEO 審計通過！所有 2026 標準驗證項目都符合要求。
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- verifyAndRepairPrecache 補修 static-loader-data-manifest（離線 SPA 導覽唯一無 runtime 後備的 shell 資產） - latest-rate-cache maxEntries 20→32，預留擴充幣對餘裕避免 LRU 驅逐離線匯率備援 - 同域 API SWR matcher 加同源判斷，避免 cross-origin pathname 碰撞污染快取 - precache gate 新增 loader-manifest 必含檢查，FORBIDDEN 補 api JSON、巢狀 index.html、點陣圖 - 補回歸測試鎖定上述護欄（共 83 PWA 測試） 測試：typecheck 通過；PWA/gate 83 測試全綠；build precache 92 筆/2.2MB；hardened gate 通過 Generated with [Claude Code](https://claude.ai/code) via [Happy](https://happy.engineering) Co-Authored-By: Claude <noreply@anthropic.com> Co-Authored-By: Happy <yesreply@happy.engineering>
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✅ SEO 審計通過！所有 2026 標準驗證項目都符合要求。
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This was referenced Jun 28, 2026
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問題
行動裝置（尤其 iOS PWA）冷啟動／弱網時，使用者會看到「您目前處於離線狀態」畫面（
offline.html，SW 導覽 fallback）。根因
vite.config.ts的injectManifest.globPatterns含**/*.html，SSG 產出每個幣別×金額排列頁（usd-twd/1、/10、/100、/1000…共數百頁）全部被 precache，導致：offline.html修法（KISS，2 行 globIgnore）
排除幣別頁金額排列子頁，僅保留 app shell（
index.html）與各幣別頂層 landing：金額子頁離線時改由
NavigationRoute→ precache 的index.htmlSPA shell client-render（行為不變，未改sw.ts），lazy route chunk 仍在 precache。offline.html/ landing / shell附帶：同步
offline.html為 SSOT 模板產物（generate-offline-html.mjs，原 committed 版本已 drift）。驗證
pnpm typecheck全 workspace 通過pnpm test全綠（ratewise 2476 + root Lighthouse regression 66）pnpm build:ratewise成功，precache 222 筆/11.8MiB、金額子頁洩漏 0（獨立重建確認）verify:artifacts通過後續（非本 PR；Lighthouse 回歸閘門已綠，屬增益非回歸）
motion/react仍 eager 於首頁多個核心元件（需跨元件動畫重構，UX 回歸面大，故不納入此 hotfix）🤖 Generated with Claude Code