Covers the steering journeys — everything a user does to a live session: answering its parked question from the questions hub, chatting so the message becomes the next agent turn and survives in the committed conversation, rearming the handoff mid-run, and stopping a session whose kept checkout can then be removed and its row deleted.

## Before writing SPEC.md files

Read https://raw.githubusercontent.com/brillout/sdd/refs/heads/main/sdd.md
