59 lines
1.8 KiB
Markdown
59 lines
1.8 KiB
Markdown
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# T852 — judge structured result cache
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> Status: `done`（2026-08-11）
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> Milestone: `M5`
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> Est. change: `~200 lines`
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## Goal
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完成後 AI 深判只處理 shortlist／不確定候選，輸出可驗證 evidence／basis／risk，並以版本唯一鍵復用有效 accepted／rejected 結果。
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## Depends on
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- T850、T851、T843
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## Inputs
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- `apps/backend/internal/module/radar/usecase/product_fit_ai.go`
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- `apps/backend/internal/module/radar/usecase/judge.go`
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- `apps/backend/internal/module/radar/domain/product_match.go`
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- Spec §4.4、§5.3、驗收 #10、#16–#18
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## Outputs
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### 程式變更（預期路徑）
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| 路徑 | 動作 | 說明 |
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|------|------|------|
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| `apps/backend/internal/module/radar/domain/judgment_result.go` | add | versioned valid／invalid result domain |
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| `apps/backend/internal/module/radar/repository/judgment_result_memory.go` | add | memory cache／unique key |
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| `apps/backend/internal/module/radar/usecase/judge_pipeline.go` | add/edit | shortlist、structured validation、reuse |
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| `apps/backend/internal/module/radar/usecase/judge_pipeline_test.go` | add | valid／invalid／rejected／reuse tests |
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### 行為變更
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- provider／公告／純名不進 high；完整 accepted 或 rejected 結果均可快取。
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- 無法驗證的 evidence／basis 不形成有效快取。
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### API / 契約（若有）
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- 唯一鍵 owner＋source＋product＋input/map version＋judge kind。
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## Out of scope
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- 不接每日 Sweep checkpoint、不做 Mongo cache migration。
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## Acceptance
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- [x] 同候選跨 watch／query 重跑不再次呼叫 judge。
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- [x] provider 結構成功但判定 rejected 正常計入有效結果。
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- [ ] 指令：
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```bash
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cd apps/backend && go test ./internal/module/radar/usecase -run 'Judge|Judgment' -count=1
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```
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## Notes
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AI 不能從品牌／產品名稱自行補痛點或作者背景。
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