Refactor the `extras_require` section in `setup.py` to simplify and clarify
the available options. Consolidate CPU and GPU requirements into single
"lite" and "full" options to streamline installation for users.

文末增加友情链接，便于给labelllm\labelu仓库引流

超链接格式完善

文章末尾新增友情链接，便于labelllm、labelu仓库引流

add gpu ci

add gpu ci

add gpu ci

fix(demo): add fallback to internal model when external model data is missingIf no valid model data is provided, the system now checks if an internal model
should be used. This enhances the robustness of the demo pipeline by providing
a default behavior when essential data is not available.