UI 扩展点
UI 扩展点是用于扩展 Console 和 UC 的界面的接口，通过实现扩展点接口，插件可以在 Console 和 UC 中扩展功能。
以下是目前已支持的扩展点列表：
For AI agents: the complete documentation index is available at https://docs.halo.run/llms.txt, the full documentation bundle is available at https://docs.halo.run/llms-full.txt, and this page is available as Markdown at https://docs.halo.run/developer-guide/plugin/extension-points/ui/index.md.