1 Commits

Author SHA1 Message Date
53e8ab4ae1 feat(visionA-frontend): Phase 0.9 模型庫下載 — 前端對接 FAA delegated download
對齊 ADR-017 v1.2 決策 2:model-card 下載按鈕 → 打 visionA endpoint 拿 url+token
→ fetch 跨 origin 直連 FAA + Authorization Bearer → blob 觸發下載(不經 visionA、不經 AWS)。

- src/lib/api/model-download.ts: getModelDownload(打 GET /api/models/:id/download)+
  downloadModelFile(fetch + Bearer header + blob,credentials:"omit" 不帶 visionA cookie)+
  triggerBlobDownload(延遲 revoke + finally 釋放)+ deriveDownloadFilename + ModelDownloadError
- model-store: downloadingId 互斥(同時只一個下載、finally 必清)+ downloadModel action +
  isModelDownloadable(source==converted && status==ready)
- model-card: 下載按鈕(converted+ready 才顯示、上傳類隱藏;preventDefault+stopPropagation
  防觸發外層 Link 導航;loading;toast 錯誤)
- i18n zh/en: models.action.download.* / models.download.*(各 error code 對應訊息)

關鍵差異:模型庫下載跨 origin + 需 Bearer header,不能用 <a href> navigation(無法帶 header),
必須 fetch+blob。與既有 conversion download(同 origin navigation)分流。

測試: 43 unit + 互動 test(mock fetch / 按鈕互動 / 顯示條件 / error 分流);tsc/lint/build 全綠。
Reviewer: 0 Critical / 0 Major / 3 Minor / 4 Suggestion,通過(ADR 決策 2 規格 7/7 符合)。

待 stage 實測: FAA 端須設 CORS(允許 visionA origin + preflight Allow-Headers: Authorization),
撞到會落 network_error。

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-07 04:50:17 +08:00