开放的侧边栏底座，支持三方拓展注册新侧边栏页面。内置文件渲染编辑/终端/侧边对话/Git/子代理页面 ｜ Open sidebar foundation, supports third-party extensions to register new sidebar pages. Built-in file rendering/editing, terminal, side chat, Git, and sub-agent pages.

GenUI for DeepSeek Harness: interactive charts, forms, calculators, dashboards, and mini apps rendered inline in assistant replies, with actions that flow back to the model.