dsh-steer-button

While the agent is mid-task, you want to slip in a note, but the native Harness only offers two coarse options: queue until the whole turn finishes, or cancel and force-send now. There is no middle ground, and queued messages are invisible and uneditable.

dsh-steer-button takes over the composer during a running session and exposes three delivery modes—Queue (the message rides into the next LLM request alongside the current step's observation), Steer (the current step aborts, its partial output is preserved, and the new request continues with your message), Backlog (the message waits for the full turn to finish, then runs as its own turn)—plus a queue strip above the text box that surfaces every pending message with edit, remove, and send-now controls. Pressing the ↑ key pulls the most recently queued text back into the composer for free-form editing.

Built for users who interact with the agent frequently and need fine-grained control over when each message enters the context: neither a blunt interruption nor a passive wait, but a deliberate choice of delivery timing per message.