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Edu/docs/architecture/issues/contracts/content_contract.md
SpecialX faaaf29f67 docs: ai 协作文档体系重构与多 ai 仲裁结果落地
1.AI 协作文档体系重构(objections/worklines/contracts+matrix.md)

2.coord 仲裁文档(final-decisions/cross-review/final-rulings/orchestration)

3.各服务 01/02 文档补全

4.共享包初始化(shared-ts/shared-go/hooks/ui-components/ui-tokens)

5.Proto 契约补全

6.004 架构影响地图更新

7.端口分配表

8.设计规格文档
2026-07-10 12:58:22 +08:00

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# content 对接契约
> 负责人ai09
> 关联:[matrix.md](./matrix.md)、[content.proto](../../../packages/shared-proto/proto/content.proto)、[events.proto](../../../packages/shared-proto/proto/events.proto)
---
## §1 我提供什么(对外接口)
### 1.1 gRPC 接口(如有)
| Service | RPC | 请求 | 响应 | 端口 |
| --------------------- | ------------------ | ------------------------- | -------------------------- | ----- |
| TextbookService | CreateTextbook | CreateTextbookRequest | Textbook | 50054 |
| TextbookService | GetTextbook | GetTextbookRequest | Textbook | 50054 |
| TextbookService | ListTextbooks | ListTextbooksRequest | ListTextbooksResponse | 50054 |
| ChapterService | GetChapter | GetChapterRequest | Chapter | 50054 |
| ChapterService | ListChapters | ListChaptersRequest | ListChaptersResponse | 50054 |
| ChapterService | CreateChapter | CreateChapterRequest | Chapter | 50054 |
| ChapterService | UpdateChapter | UpdateChapterRequest | Chapter | 50054 |
| KnowledgeGraphService | GetPrerequisites | GetPrerequisitesRequest | KnowledgePointsResponse | 50054 |
| KnowledgeGraphService | GetLearningPath | GetLearningPathRequest | LearningPath | 50054 |
| KnowledgeGraphService | AddPrerequisite | AddPrerequisiteRequest | AddPrerequisiteResponse | 50054 |
| KnowledgeGraphService | RemovePrerequisite | RemovePrerequisiteRequest | RemovePrerequisiteResponse | 50054 |
| QuestionService | CreateQuestion | CreateQuestionRequest | Question | 50054 |
| QuestionService | GetQuestion | GetQuestionRequest | Question | 50054 |
| QuestionService | ListQuestions | ListQuestionsRequest | ListQuestionsResponse | 50054 |
| QuestionService | UpdateQuestion | UpdateQuestionRequest | Question | 50054 |
| QuestionService | DeleteQuestion | DeleteQuestionRequest | DeleteQuestionResponse | 50054 |
| QuestionService | PublishQuestion | PublishQuestionRequest | PublishQuestionResponse | 50054 |
| QuestionService | SearchQuestions | SearchQuestionsRequest | SearchQuestionsResponse | 50054 |
### 1.2 HTTP 端点(如有)
无对外 HTTP 端点,仅 gRPC。
### 1.3 GraphQL schema如 BFF
不适用。
### 1.4 Kafka 事件发布(如有)
| Topic | Event | 消费方 |
| ---------------------------------- | -------------------------------------------------------------------------------------- | -------------------------------------------------- |
| edu.content.knowledge_point.events | KnowledgePointEventaction: created/updated/prerequisite_added/prerequisite_removed | data-ana / ai / Neo4j Sync Worker / ES Sync Worker |
| edu.content.question.events | QuestionEventaction: created/updated/published/deleted | data-ana |
### 1.5 错误码前缀
`CONTENT_`(如 CONTENT_TEXTBOOK_NOT_FOUND、CONTENT_QUESTION_DUPLICATE
---
## §2 我消费什么(依赖上游)
### 2.1 gRPC 调用(同步)
无直接 gRPC 调用上游。content 通过 Kafka 事件接收 core-edu 班级/学生变更用于数据一致性。
### 2.2 Kafka 事件订阅(异步)
| Topic | Event | 发布方 | mock 策略 |
| ---------------- | --------------------------------- | --------------- | ----------------------------------------------------- |
| edu.class.events | ClassEventaction: transferred | core-edu (ai08) | core-edu 就绪前不订阅content 内部不依赖班级实时数据 |
| edu.exam.events | ExamEvent | core-edu (ai08) | core-edu 就绪前忽略,题目关联知识点不依赖考试事件 |
### 2.3 HTTP 调用(如有)
无。
---
## §3 就绪信号
### 3.1 我依赖的上游就绪标志
- [ ] core-edu gRPC 50053 启用ai08—— 用于知识点与班级关联可选content 可先独立运行)
- [ ] edu.class.events / edu.exam.events topic 有事件发布ai08
### 3.2 我的就绪标志(供下游消费)
- [ ] content gRPC 50054 启用HealthService.Check 返回 SERVING
- [ ] TextbookService 3 RPC 可调用
- [ ] ChapterService 4 RPC 可调用
- [ ] KnowledgeGraphService 4 RPC 可调用GetPrerequisites/GetLearningPath/AddPrerequisite/RemovePrerequisite
- [ ] QuestionService 7 RPC 可调用(含 SearchQuestions 全文检索)
- [ ] edu.content.knowledge_point.events / edu.content.question.events topic 可发布
---
## §4 Mock 策略
### 4.1 我提供的 mock
在 content 真实服务就绪前为下游teacher-bff / student-bff / ai / data-ana提供以下 mock
- **gRPC mock**:使用 grpc-mock 拦截 50054 端口
- TextbookService.ListTextbooks 返回固定 5 个 Textbook语数英理化
- ChapterService.ListChapters 返回固定章节树(每教材 10 章)
- KnowledgeGraphService.GetLearningPath 返回固定 8 个 KnowledgePoint 推荐顺序
- KnowledgeGraphService.GetPrerequisites 返回固定 3 个前置知识点
- QuestionService.SearchQuestions 返回固定 20 个 Question含 options
- **Kafka mock**content 就绪前不发布真实事件,下游使用本地 stub
### 4.2 我消费的 mock
在真实 core-edu 就绪前content 使用以下 mock
- 班级/学生数据:不依赖 core-edu 实时数据,知识点关联使用固定 subject_id/grade
- 事件订阅:不订阅 edu.class.events / edu.exam.events内部数据自洽