The Product document fills in here as you talk.
Vibe-coding can one-shot an app, but it skips the context that keeps software alive in a real product environment. Product Agent runs the missing interview: a small pod of agents guides you through a short conversation and writes the design docs a disciplined team would have anyway.
Watch the three specialists react in parallel while the interviewer decides what to ask next. Four focused turns — your session is private and never saved.