插件

会话医生：列出会话（含 agent 运行状态）、读取会话记录、诊断卡死的 agent、解卡（cancel + keepInbox 保留排队消息）、向其他会话发送消息。

DSH plugin guard: checks profile bundle lists for duplicate loader entries on every plugin load, preventing the 'duplicate loader entry id' boot crash caused by listing an aggregate bundle and its sub-plugins together — and the `dsh plugin` reconcile recu