dsh-deadman：无人值守时的死手开关
dsh-deadman 是 DeepSeek Harness 的工作流插件，在布防后按周期巡检 agent 是否仍有推进；无人报活且满足放行条件时直接执行 shell 命令，适合夜间编译、训练等无人值守场景的止损关机或收资源。与内置 dsh-schedule（消息回会话、由模型决策）互补。要求 dsh 0.2.0-rc.2，提供 deadman_arm/hold/disarm 工具与可配置闸门，MIT 许可。
Read Moredsh-deadman: Dead Man's Switch for DeepSeek Harness
`dsh-deadman` is a dead man's switch plugin for DeepSeek Harness (DSH), designed to address the issue of resources remaining unreleased in unattended long-running tasks when a process crashes or its quota is exhausted. It periodically monitors agent liveness and automatically executes a predefined cleanup command if no agent checks in. The plugin provides tool commands such as `deadman_arm` (arming) and `deadman_hold` (checking in), as well as the `/deadman` slash command, and supports installation and use on Web and desktop clients. Its core logic uses a grace window to determine whether to take action, includes a fail-open mechanism, and is suitable for scenarios such as overnight compilation and model training, but it must be installed in a long-running Profile.
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