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History Mirror Plugin — DSH Plugin for DeepSeek Harness
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dsh-history-mirror-plugin

History Mirror Plugin

A DeepSeek Harness client plugin that mirrors the current conversation into an independently scrollable details panel.

The plugin will be installed here. Keep web if you are unsure.

npx -y @deepseek-ai/dsh plugin --profile web add github:xiaoyanjin15-ux/dsh-history-mirror-plugin#d2334ec18f095787e88c6ade514ac96adb65298f
READMECompatibilityVersions
DSH History Mirror 三栏效果图

Compatibility and provenance

History Mirror Plugin is published as dsh-history-mirror-plugin and currently resolves to version 0.1.0. The Hub verifies its manifest and preserves the exact installation source for reproducible installs.

DSH compatibility
*
Runtime surfaces
web
Release source
github
Registry updated
8/20/2026

Versions

0.1.0stable
8/20/2026

Related plugins

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0.1.0
DSH
*
HMR
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Tree shaking
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Unpacked size
Unavailable
Files
Unavailable
Surface
web
License
MIT
Source
github
GitHub
★ 1
Weekly downloads
0
Last push
8/20/2026
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README

dsh-history-mirror-plugin

DeepSeek Harness Web 客户端插件：在会话标题栏添加“历史”按钮，将当前会话内容镜像到右侧详情栏，并提供独立滚动位置。

DeepSeek Harness Web plugin that mirrors the current conversation into a scrollable right-side history panel.

DSH History Mirror 三栏效果图

核心体验： 中间会话保持在最新消息和输入框，右侧历史镜像可以独立向上滚动；回看上文后，无需再把主会话滚回底部。

交互

  • 中间会话保持当前输入和滚动位置。
  • 右侧复用中间会话已经渲染的 DOM 和原生样式，因此代码块、工具调用、图片等保持原来的外观。
  • 新消息和流式输出会同步到右侧。
  • 右侧滚动不会带动中间会话。
  • 点击右侧历史中的 HTTP/HTTPS 链接会切换到“网页”标签。

安全设计

  • 不读取或上传 API Key、Cookie、Local Storage、Session Storage 或环境变量。
  • 不访问本地文件系统，不执行系统命令，不创建后台服务。
  • 不调用 fetch、XHR、WebSocket 或遥测接口。
  • 会话镜像只存在于当前浏览器页面内；同步时会移除脚本、iframe、表单、object、embed、meta、link 和 base 元素。
  • 只接受 http:// 与 https:// 网页链接。网页预览使用无 allow-same-origin、无顶层导航权限的沙箱 iframe，并使用 no-referrer。

安装

从 GitHub 安装

npx @deepseek-ai/dsh plugin --profile web add github:xiaoyanjin15-ux/dsh-history-mirror-plugin
npx @deepseek-ai/dsh web

从本地源码安装

先停止正在运行的 DSH Web，再在本目录的上一级执行：

npx @deepseek-ai/dsh plugin --profile web add file:./dsh-history-mirror-plugin
npx @deepseek-ai/dsh web

浏览器刷新后，打开任意非空会话，点击会话标题栏右侧的“历史”。

当前边界

  • 右侧复制的是浏览器当前已加载的会话窗口；尚未由 Harness 加载的更早记录不会凭空出现。
  • 部分网站禁止 iframe 嵌入或无法在受限沙箱中运行，网页标签可能显示网站自身的拒绝页面。
  • 插件接管当前版本的 details 单槽位；启用时，原生工具详情面板会被历史面板替代。禁用或移除本插件即可恢复原生工具详情。

开发检查

npm run check