本次更新内容如下：
- 精简安装包大小
- 使用sqlite-vec替换lancedb，更加轻量化
- 提高rag功能的可用性
The updates in this release include the following:
- Reduced the installation package size.
- Replaced LanceDB with sqlite-vec for a more lightweight solution.
- Improved the usability of the RAG feature.