phase 6 part 2: per-week related-topics sections (gen_week_topics.py), week14/15/16 adjustments from BOSS research, README/CONTRIBUTING updates

plan/week06-rag-2.md

@@ -1196,6 +1196,27 @@ docker compose restart api && curl localhost:8000/documents    # 重启后数据
 
 ---
 
+<!-- week-topics:start -->
+
+## 本周相关专题
+
+> 本节由 `tools/gen_week_topics.py` 根据专题文件的 `week` 字段自动生成，请勿手改；想调整就修改对应专题文件的 frontmatter 后重新生成。
+
+- **AI 编程练习（每周）**：本周至少一个功能用 AI 编程工具（Cursor / Claude Code / Codex 等）完成，按 [AI 编程：工作流](../topics/ai/ai-coding/01-workflow-rules-skills.md) 写清需求和规则，按 [验证与证据](../topics/ai/ai-coding/02-verify-evidence.md) 保存测试结果和会话记录（脱敏后），第 15 周整理成“AI 编程 + 验证方法”的应聘案例。
+
+| 技术栈 | 课程 / 场景 / 面试题 |
+| --- | --- |
+| [LangChain](../topics/ai/langchain/index.md) | 课程：[LangChain 1.x](../topics/ai/langchain/01-lcel-structured-agent.md)；场景：[工单自动分类服务](../topics/ai/langchain/scenarios/ticket-triage.md)；[面试题](../topics/ai/langchain/interview.md) |
+| [RAG 检索增强生成](../topics/ai/rag/index.md) | 课程：[检索优化](../topics/ai/rag/02-hybrid-rerank.md)；课程：[生成与评测](../topics/ai/rag/03-generation-eval.md)；场景：[带权限的企业知识库问答](../topics/ai/rag/scenarios/permission-aware-kb.md)；[面试题](../topics/ai/rag/interview.md) |
+| [向量数据库](../topics/ai/vector-db/index.md) | 课程：[向量库选型和 pgvector 实战](../topics/ai/vector-db/02-selection-pgvector.md)；场景：[多租户知识库的向量索引](../topics/ai/vector-db/scenarios/multi-tenant-index.md)；[面试题](../topics/ai/vector-db/interview.md) |
+| [Elasticsearch](../topics/backend/elasticsearch/index.md) | 课程：[Elasticsearch](../topics/backend/elasticsearch/01-search-basics-hybrid.md)；场景：[知识库混合检索](../topics/backend/elasticsearch/scenarios/kb-search-sync.md) |
+| [Redis](../topics/backend/redis/index.md) | 课程：[缓存模式](../topics/backend/redis/02-cache-patterns.md) |
+| [Docker 与 Compose](../topics/devops/docker/index.md) | 课程：[镜像和 Dockerfile](../topics/devops/docker/01-image-dockerfile.md)；课程：[Compose、网络和数据卷](../topics/devops/docker/02-compose-network-volume.md) |
+
+**跨技术栈场景**：[客服知识库问答](../scenarios/customer-service-kb.md)、[数据同步](../scenarios/data-sync.md)、[多租户 SaaS](../scenarios/multi-tenant-saas.md)
+
+<!-- week-topics:end -->
+
 ## 本周自查清单
 
 - [ ] 评测集 ≥ 30 条（含拒答题），会算 Hit@K、MRR、拒答准确率