[M-AI-05-05] 将 Feynman 提交入口接入统一 AiJob Engine #308
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opened 2026-06-21 15:53:42 +08:00 by wangdl
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M-AI-05 Feynman 与 ReviewCard 可靠链路
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Reference: wangdl/api-server#308
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类型 / 标签
风险等级
P1(入口路由错误会导致双执行或请求丢失;响应不兼容会破坏客户端)
依赖
目标
保持原 HTTP 接口,在 Legacy 和 Unified 之间增加单一、可回滚的执行路由。
原入口
保持
POST /api/ai-analysis/feynman不变。路由
新增或复用
FeynmanExecutionRouter:FEYNMAN_ENGINE_MODE=legacy→ 原 AiAnalysisService / Legacy QueueFEYNMAN_ENGINE_MODE=unified→ AiJobCreationServiceFeature Flag 应支持用户白名单。
Unified 流程
响应兼容
确认原接口当前返回 Job ID、状态、评估请求信息等字段。Unified 模式不得无理由改变旧客户端需要的字段。允许新增可选字段
engineMode、lifecycleStatus,但不得删除旧字段。错误处理
Unified 创建失败:返回明确错误、不得自动调用 Legacy、不得创建第二个 Job、不得重复扣减额度、日志不得记录完整解释内容。
幂等
相同 submissionId:返回同一个 Job、只有一个 Snapshot、只有一个 Outbox、不重复扣费。用户主动重新提交新解释时,必须形成新的 submission/version。
约束
影响范围
src/modules/ai-analysis/、src/modules/feynman/、src/modules/ai-job/验收标准
FEYNMAN_ENGINE_MODE=legacy时行为完全不变FEYNMAN_ENGINE_MODE=unified时通过 CreationService 创建 JobengineMode、lifecycleStatus可选字段{jobId}建议执行顺序
第 5 个执行(依赖 02+03+04;可与 06 部分并行)
开发完成评论
完成内容
FeynmanExecutionRouter(在 ai-analysis 模块中):FEYNMAN_ENGINE_MODE控制 legacy/unified 分支engineMode+lifecycleStatusAiAnalysisController:FeynmanExecutionRouter(@Optional)knowledgeItemId作为可选字段加入请求体AiAnalysisModule:导入AiJobModule+AppConfigModule,提供FeynmanExecutionRouterAiJobModule:导出FeynmanSnapshotBuilder(供 AiAnalysisModule 使用)AiJobCreationService添加feynman_evaluation安全分支(无 retrySnapshotContent 时抛错)路由流程
幂等键策略
sessionId + answerId都存在 →feynman:sessionId:answerIdsessionId→feynman:sessionIdfeynman:<sha256(content).substring(0,16)>(相同内容 → 相同 key)修改文件
src/modules/ai-analysis/feynman-execution-router.ts(新增,176 行)src/modules/ai-analysis/feynman-execution-router.spec.ts(新增,225 行)src/modules/ai-analysis/ai-analysis.controller.ts(修改,+10/-4 行)src/modules/ai-analysis/ai-analysis.module.ts(修改,+4/-1 行)src/modules/ai-job/ai-job-creation.service.ts(修改,+6 行:feynman_evaluation 安全分支)src/modules/ai-job/ai-job.module.ts(修改,+1 行:export FeynmanSnapshotBuilder)代码证据
feynman-execution-router.ts:71-145— evaluateFeynman() 主路由逻辑feynman-execution-router.ts:151-162— shouldUseUnified()(FeatureFlag + 安全回退)feynman-execution-router.ts:170-183— resolveSubmissionId()(3 层回退策略)ai-analysis.controller.ts:45-57— Controller 注入 Router + 回退兼容ai-job-creation.service.ts:81-96— feynman_evaluation 安全分支(无 retrySnapshotContent → 抛错)测试情况
npx jest --testPathPatterns="feynman-execution-router"npx jest --testPathPatterns="ai-job|ai-analysis"Feature Flag 配置
未完成 / 风险
knowledgeItemId未在请求体中(当前客户端不传),使用unknown占位或需客户端升级FeynmanSnapshotBuilder.build()在 Router 中调用(需要 knowledgeItemId 进行所有权验证),当前传入unknown会导致 SnapshotBuilder 查找失败 → 在 M-AI-05-07 E2E 中需要 Mock 或真实 Fixturefeynman_evaluationjobType 的执行分派(当前 Engine 只处理active_recall+ 默认路径,feynman_evaluation 会走默认路径)是否建议进入 Review