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Font Customizer — DSH Plugin for DeepSeek Harness
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dsh-font-customizer

Font Customizer

Customize the DeepSeek Harness Web UI fonts: UI font family, code font family, and content font size. Settings persist on the host, with local-font detection and full local font scanning.

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

npx -y @deepseek-ai/dsh plugin --profile web add github:daha1216/dsh-font-customizer#e191d62f9d956962c7d7d8b60e05381b7a990104
READMECompatibilityVersions

Compatibility and provenance

Font Customizer is published as dsh-font-customizer 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
9/5/2026

Versions

0.1.0stable
9/5/2026

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Latest
0.1.0
DSH
*
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Tree shaking
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Unpacked size
Unavailable
Files
Unavailable
Surface
web
License
MIT
Source
github
GitHub
★ 0
Weekly downloads
0
Last push
9/13/2026
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README

dsh-font-customizer

中文 · English

中文

DeepSeek Harness(DSH)Web UI 的字体自定义插件:界面字体、代码字体、正文字号一站式调整,设置持久化在宿主机上,换浏览器、换设备都是同一套字体。

功能

  • 界面字体:覆盖全局 CSS 变量 --dsw-font-family,DSH 全部界面文字即时生效
  • 代码字体:覆盖 --ds-font-family-code,代码块 / 等宽区域即时生效
  • 字号:12–17px,优先接入客户端主题服务(与内置字号设置联动)
  • 预设字体栈:微软雅黑、思源黑体/宋体、霞鹜文楷、HarmonyOS Sans、MiSans、OPPOSans、楷体、仿宋、黑体、宋体;代码侧含 JetBrains Mono、Fira Code、Cascadia Code、更纱黑体(中英等宽)、MapMono、霞鹜文楷等宽等
  • 本机字体探测:预设列表用 canvas 宽度差法标注哪些字体本机已装(label 带 ✓)
  • 全量字体扫描:一键调用 window.queryLocalFonts()(Chrome/Edge 103+,需要授权),把本机全部已安装字体列进下拉框
  • 自定义字体栈:手写任意 CSS 字体栈
  • 持久化:配置存在 ${DSH_HOME:-~/.dsh}/dsh-font-customizer/config.json(原子写入),由宿主半侧通过 /dsh-font-customizer/config 路由读写

修改即时预览、自动保存;「重置」一键恢复 DSH 内置字体。

安装

dsh plugin --profile web add github:daha1216/dsh-font-customizer

然后重启 DSH(dsh web),刷新页面,在 设置 → 通用 里找到「字体(dsh-font-customizer)」一行。

本地开发(仓库检出目录内):

dsh plugin --profile web add .

卸载

dsh plugin --profile web remove dsh-font-customizer

配置文件不会自动删除,需要时手动删 ~/.dsh/dsh-font-customizer/。

使用说明

  • 预设里的 ✓ 表示该字体家族在本机已安装(探测法,个别字体可能误报)
  • 扫描本机字体首次点击时浏览器会弹出「本地字体」权限询问,允许后下拉框出现「本机已安装(N)」分组
  • 自定义选择后输入 CSS 字体栈,如 'LXGW WenKai', sans-serif;界面字体栈尾建议 sans-serif,代码字体栈尾建议 monospace
  • 字号选「默认(跟随 DSH 内置)」时完全交还内置字号设置管理

工作原理

半侧文件职责
宿主dsh/index.js注册 /dsh-font-customizer/config HTTP 路由,配置原子落盘
浏览器dsh/client.js拉取配置 → 覆盖 :root CSS 变量;设置页 UI;字体探测/扫描

两个半侧零依赖、零构建:宿主是纯 ESM + Node 内置模块;客户端手写懒 CJS 协议(window.__ModuleLoader__.load),react 由 DSH 模块表提供。


English

Font customizer plugin for the DeepSeek Harness (DSH) Web UI: UI font family, code font family, and content font size in one settings row. Settings persist on the host, so every browser and device gets the same fonts.

Features

  • UI font: overrides the global CSS variable --dsw-font-family — applies to all DSH interface text instantly
  • Code font: overrides --ds-font-family-code
  • Font size: 12–17px, wired into the client theme service when available
  • Preset stacks for CJK-friendly fonts (Microsoft YaHei, Source Han Sans/Serif, LXGW WenKai, HarmonyOS Sans, MiSans, OPPOSans, KaiTi, FangSong, …) and coding fonts (JetBrains Mono, Fira Code, Cascadia Code, Sarasa Gothic, MapMono, …)
  • Local font detection via canvas width-diff probing (installed families get a ✓)
  • Full local font scan via window.queryLocalFonts() (Chrome/Edge 103+, permission required)
  • Custom CSS font stacks
  • Persistence: stored at ${DSH_HOME:-~/.dsh}/dsh-font-customizer/config.json (atomic writes) behind the host route /dsh-font-customizer/config

Changes preview instantly and auto-save; the reset button restores DSH's built-in fonts.

Install

dsh plugin --profile web add github:daha1216/dsh-font-customizer

Restart DSH (dsh web) and refresh the page — the row appears under Settings → General as「字体(dsh-font-customizer)」.

For local development, from a checkout of this repo:

dsh plugin --profile web add .

License

MIT © daha1216