Agent-office dashboard for DeepSeek Harness (DSH): workspaces, sessions, token usage & subagents in one sprite-filled office — plus a built-in Agent Mail inbox to read, send & reply right in the panel. DeepSeek Harness「办公室」：工作区/会话/子代理一屏总览 + 内置 Agent 邮箱收发，一眼看穿每个 Agent 在忙什么。
dsh plugin --profile web add dsh-office