- dialog "添加插件":
  - heading "添加插件" [level=2]
  - button "关闭"
  - paragraph: 输入插件的包名、GitHub 仓库地址或本地目录路径。
  - textbox "包名或地址":
    - /placeholder: 例如 @deepseek-ai/dsh-experimental-auto-review
    - text: slow-package
  - button "插件安装引导和示例"
  - button "安装源 默认安装源"
  - button "安装"