nex_docus/docs/sdd/architecture/decisions/ADR-0003-tech-stack.md

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# ADR-0003技术栈选型
- **状态**Accepted
## 决策
- **后端**Python 3.12 + FastAPI异步+ SQLAlchemy 2.0async+ aiomysql/PyMySQL + Redisaioredis+ JWTpython-jose/bcrypt+ Uvicorn。
- **前端**React 18 + Vite 5 + Ant Design 5 + Tailwind + Zustand + React Router v6Markdown bytemdPDF pdfjs-dist/react-pdf虚拟列表 react-virtuoso/react-window。
- **搜索/向量**Whoosh3 + jieba全文ZVec + 可配置 embedding语义
## 后果
依赖锁定在 `requirements.txt``package.json`;更换组件须评审。
## 关联
全部 DV。