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dsh-plugin-background

Plugin Background

用于 DeepSeek Harness Web UI（dsh web）的背景图片插件：选择本地图片作为整个界面的背景，调整与主题适配的遮罩层，或随时清除背景。

插件会安装到这里；不确定时保持 web。

npx -y @deepseek-ai/dsh plugin --profile web add github:haozhu11/dsh-plugin-background#96a3ba4cb67c359c78f34c513d716feeb19b98c5
README兼容性版本

兼容性与来源证明

Plugin Background 以 dsh-plugin-background 发布，当前版本为 0.2.0。Plugin Hub 会校验它的 manifest，并保存精确安装来源，便于复现安装结果。

DSH 兼容范围
*
运行环境
web
发布来源
github
Registry 更新时间
2026/8/20

版本

0.2.0stable
2026/8/20

相关插件

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最新版
0.2.0
DSH
*
HMR
重启进程
Tree shaking
未声明可安全裁剪
解包体积
未提供
文件数
未提供
Surface
web
许可证
未声明
发布源
github
GitHub
★ 2
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0
最近提交
2026/8/21
查看源码 ↗
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README

dsh-plugin-background

Background image plugin for the DeepSeek Harness web UI (dsh web).

Pick a local image as the background of the whole interface, adjust a theme-aware readability matte, or clear it — anytime, from a button at the bottom of the sidebar. The image is compressed client-side and persisted in IndexedDB, so it survives restarts with zero server-side storage.

⚠️ Third-party community plugin — not an official DeepSeek product. Built for deepseek-ai/deepseek-harness.

(Add a screenshot under docs/ and reference it here once you have one.)

Features

  • Upload any local image (PNG / JPG / WebP) as the full-UI background
  • High-quality client-side compression (up to 4096 px edge, WebP-first, smooth scaling)
  • Theme-aware readability matte (0–80 %, white in light mode / dark in dark mode)
  • One-click clear, back to the default theme
  • Persisted in IndexedDB — large images, survives restarts, no server involved
  • Hot-reload friendly (pnpm run dev:web watcher), HMR-safe style/theme cleanup

How it works

  • Pure browser-side Cordis client plugin registered in the sidebar.footer.action slot.
  • The image lives on a single body-level background (background-attachment: fixed), with a theme-aware matte on top. --dsw-alias-bg-base is overridden to transparent and the sidebar fill is made transparent too, so the frame, chat column, details column and sidebar all let that one background show through — one seamless sheet across the whole UI (no per-region images that can misalign).
  • The readability matte is a color-mix layer over the base palette token (white in light mode / dark in dark mode), so text stays readable over any image; no DOM selectors are touched.

Requirements

  • A running dsh web profile (DeepSeek Harness, ≥ 0.1.0-rc.6)
  • pnpm (or npm exec with a writable cache dir)
  • A Chromium/Firefox-class browser

Usage

  1. Start dsh web and open the GUI.
  2. Click the Background button at the bottom of the sidebar (next to Settings).
  3. Choose a local image — it is applied immediately.
  4. Use the matte slider to balance readability; click Clear background to reset.

Development

git clone <repo-url> && cd dsh-plugin-background
node build.mjs          # build once → dist/client.js
node build.mjs --watch  # rebuild on src/client.js changes
  • src/client.js is the only file you normally edit (plain JS, React.createElement, no JSX/TS).
  • dist/client.js is committed on purpose so users can install without building.
  • After changing src/, rebuild, then restart dsh web (or run the pnpm run dev:web watcher from the harness checkout for hot reload).

Uninstall

cd ~/.dsh/profiles/web
pnpm remove dsh-plugin-background
# remove the ui-background row from cordis.patch.yml (if manual)
dsh web