c0nant Call the Skill tool with "grilling".
The subject of the session is the feature itself: what it does, who it is for, and the decisions behind it. Writing it up is someone else's job. to-spec writes the spec, to-tickets writes the tickets. When the frontier is empty, say the feature is ready for one of those and stop there.
Talk in plain language. Prefer the everyday word over the technical one, write a term out in full the first time it appears, and add a one-line explanation whenever a name might mean nothing to the user.