文件 / File	内容 / Contents
`repository-brief.md`	仓库总体简报：技术栈、架构、数据模型、路由、部署、CI/CD、测试，以及面向下一轮改动的扩展建议。 Full repository brief: tech stack, architecture, data model, routes, deployment, CI/CD, tests, and extension notes for the next round of changes.
`design/`	具体改动轮次的设计文档与实施计划。当前轮次：LLM 接入与迁移地基（Alembic + LLM + 基础 AI 搜索）。 Per-round design docs and implementation plans. Current round: LLM integration & migration foundation (Alembic + LLM + basic AI search).

说明 / Note：本文档由一轮代码走查整理而成，描述的是当前 main 分支的状态。后续改动代码时，请同步更新这里。 This brief reflects the current main branch. Please keep it in sync as the code evolves.