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Service Watchdog — DSH Plugin for DeepSeek Harness
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dsh-service-watchdog

Service Watchdog

DeepSeek Harness plugin: restart the DSH web service from the main UI with a second confirmation when agent sessions are active, a live running/stopped status, a detached self-healing watchdog, and optional login autostart

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

npx -y @deepseek-ai/dsh plugin --profile web add dsh-service-watchdog@0.2.1
READMECompatibilityVersions

Compatibility and provenance

Service Watchdog is published as dsh-service-watchdog and currently resolves to version 0.2.1. The Hub verifies its manifest and preserves the exact installation source for reproducible installs.

DSH compatibility
*
Runtime surfaces
web
Release source
npm
Registry updated
8/24/2026

Versions

0.2.1stable
8/24/2026
0.2.0stable
8/24/2026

Related plugins

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Latest
0.2.1
DSH
*
HMR
Process restart
Tree shaking
Safe tree shaking not declared
Unpacked size
47.7 kB
Files
10
Surface
web
License
MIT
Source
npm
GitHub
★ 0
Weekly downloads
0
Last push
8/26/2026
View source ↗
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README

dsh-service-watchdog

DeepSeek Harness 主界面服务控制插件：重启 / 状态 / 看门狗 / 开机自启。

功能

  • 状态显示：侧边栏实时显示服务运行中 / 已停止 / 启动中，以及服务已运行时长（3s 轮询）。
  • 快速重启：一键重启 DSH web。重启前检测进行中的会话 / 排队消息 / 后台任务，若有则弹二次确认（显示数量）再杀，无则直接重启；重启后显示成功/失败结果反馈。
  • 看门狗自愈：DSH 启动时派生一个独立常驻进程（几 MB），服务崩溃后自动拉起（可关）；服务关闭后按钮仍能再次启动。
  • 看门狗代码自更新：host 每 15s 探测看门狗，若磁盘上的看门狗代码已变化则自动重启它加载新代码——改看门狗无需手动杀进程或重启电脑。
  • 开机自启：写 HKCU Run 键，登录后自动拉起看门狗与服务（可关）。
  • 无残余进程：重启用 taskkill /T /F 杀整棵进程树，确认端口释放后再拉起。

工作原理

  • 看门狗监听 127.0.0.1:<watchdogPort>（默认 3199），浏览器直连它下发 start / restart，服务死了按钮依然可用。
  • 看门狗暴露 loopback-only HTTP 接口：/health（含 codeHash/uptime）、/status、/reload、/restart、/start、/stop、/shutdown。
  • 启动命令在插件安装时从当前进程自举（node 路径 / argv / cwd / 完整环境变量）并持久化到 %LOCALAPPDATA%\DeepSeekHarnessApp\watchdog.json，重启电脑后无需运行中的进程即可拉起。
  • 日志：%LOCALAPPDATA%\DeepSeekHarnessApp\watchdog.log。

安装

dsh plugin --profile web add <本目录路径>

配置项（Settings → Plugins → Service control）

键默认说明
watchdogPort3199看门狗控制端口（仅本机监听）；运行时改端口会自动清掉旧看门狗
autostarttrue开机自启
crashRestarttrue崩溃自动重启（改动即时生效）

安全

  • 看门狗只绑 127.0.0.1；仅接受 loopback Host，且跨站 Origin 一律 403（防 CSRF / DNS-rebinding）。
  • 杀进程前校验目标 PID 的映像是 node.exe，避免误杀占用同端口的其他程序。
  • watchdog.json 持久化启动命令时过滤 token/key/secret/credential/CODEX_ 等密钥环境变量。

验证

node --test test/*.mjs

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