[M-AI-06-05] 实现 ReviewCard Child Projector、Artifact 与卡片幂等 #316
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opened 2026-06-21 18:13:13 +08:00 by wangdl
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M-AI-06 Feynman ReviewCard 子 Job 与可靠生成
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Reference: wangdl/api-server#316
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类型 / 标签
风险等级
P0 — 非原子写入会导致部分卡片残留;幂等失效会导致重复 ReviewCard
依赖
目标
将验证后的 Child Job 输出原子写入 ReviewCard,并创建 Artifact。
Projector
新增 ReviewCardGenerationProjector。
输入:childJob、childSnapshot、validatedOutput、transactionClient。
同一事务
必须完成:ReviewCard × N、AiJobArtifact × N、Child Job validatedOutput、Child Job outputHash、Child Job succeeded、Child Job finishedAt。
不得在事务中进行模型调用。
ReviewCard 字段
保持现有业务默认值:status = active、intervalDays = 1、easeFactor = 2.5、repetitionCount = 0、lapseCount = 0、scheduleState = new、nextReviewAt = now。
并按契约写入:userId、knowledgeItemId、frontText、backText、difficulty。
Deterministic ID
如果 ReviewCard 主键允许显式写入,应使用 reviewCardId = deterministic(childJobId + ordinal)。
要求:同一 Child Job 同一 ordinal 始终相同、不同 Child Job 不冲突、重复执行安全、不得按 frontText 全局去重。
如果不能显式写入 ID,必须使用审计确认的数据库级替代方案。禁止仅使用 findFirst(frontText) → create 作为幂等保证。
Artifact
每个 ReviewCard 创建 artifactType = review_card、artifactId = ReviewCard.id、ordinal = card index。重复执行不得新增 Artifact。
失败回滚
验证:第 1 张卡失败 → 无任何卡片;中间卡失败 → 前面卡片回滚;Artifact 失败 → 卡片回滚;Job succeeded 更新失败 → 全部回滚;重复 Projector → 卡片数量不变;并发 Projector → 卡片数量不变。
Parent 状态
Child Projector 不得修改 Parent Job 的 lifecycleStatus、errorCode、finishedAt、validatedOutput。
验收标准
建议执行顺序
第 5 个执行(依赖 04 Executor 和验证)
开发完成评论
完成内容
新增
ReviewCardGenerationProjector:将 Child Job 输出原子写入 ReviewCard + Artifact接入 Engine:添加
review_card_generation分支(EXECUTE + VALIDATE + PROJECT)ReviewCardGenerationExecutor.execute()ReviewCardGenerationValidator.validate()ProjectionExecutor.execute('review_card_generation_projector', ...)→ReviewCardGenerationProjector.project()注册 Module:Provider + RESULT_PROJECTORS factory
修改文件
src/modules/ai-job/review-card-generation-projector.ts— 新增(133 行)src/modules/ai-job/review-card-generation-projector.spec.ts— 新增(285 行,16 个测试)src/modules/ai-job/ai-job-execution-engine.ts— 修改(+29 行:import + inject + dispatch)src/modules/ai-job/ai-job-execution-engine.spec.ts— 修改(+4 行:2 mock providers)src/modules/ai-job/ai-job.module.ts— 修改(+3 行:import + provider + factory)代码证据
review-card-generation-projector.ts:45-58— 入口幂等(已有 Artifact → 返回)review-card-generation-projector.ts:66-86— ReviewCard 字段写入(与 Legacyreview.service.ts:82-94一致)review-card-generation-projector.ts:91-97— Artifact 幂等(upsertArtifact + P2002)review-card-generation-projector.ts:103-107— Parent 隔离(不修改 Parent 字段)review-card-generation-projector.ts:116-130— upsertArtifact helper(与feynman-projector.ts:198-216一致)ai-job-execution-engine.ts:216-239— Engine dispatch for review_card_generation(EXECUTE + VALIDATE)幂等策略(三层防护)
lockJobCAS(queued→running)测试情况
Projector 测试覆盖
未完成 / 风险
@@unique([childJobId, ordinal])约束。幂等依赖入口 Artifact 检查 + Engine CAS。若未来需要纯 DB 级幂等保证,可新增最小 Migrationreview_card_generation类型现在被 Engine 识别并分派。M-AI-06-06 中 FeynmanProjector 创建 Child Job 后,Worker 将自动执行此分支是否建议进入 Review