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Reorder the messages queued while a DSH agent is busy, from inside the official queue dock: a drag handle and per-row ↑ / ↓ buttons on the dock's own rows, applied on the host as one concurrency-checked inbox splice. The dock is decorated rather than replaced, so previews, inline editing, steering, removal and attachments stay as shipped. A move is refused when the queue has changed since the caller last saw it, when the row is not a user prompt (a goal round prompt, for example), or when the queue belongs to a subagent session.

Pressing Enter with an empty composer steers the first queued message into the running turn while the agent is busy.

dsh plugin: drive an existing dsh session from Feishu/Lark — round cards, interactive resume, ask-user cards, steer (outbound-only WebSocket bot)

DSH 选择增强插件：在 ask_user_question / ask_user_choice 的选择卡上提供「重新生成选项」（都不满意一键刷新）与「更多选项」（选项太少一键补充）按钮。纯前端交互实现（取消当前问题 + steer 提示模型重新提问），不改核心包、不新增工具。

Runtime governor for DeepSeek Harness: zero-progress steering, generation-bound verification evidence, evidence-aware completion guarding, and task-profile tool restriction.