Assembles the nine-section brief and checks it against itself.
Builds the assumption and refusal register first, stops for review, then assembles the nine-section Product Vision Brief and the ladder-up test that later bets are checked against. Six cross-section checks run at the end and their failures are listed rather than repaired.
Exists because the section most likely to be invented is the one about refusals — it writes well from nothing and reads as a commitment the company never made. If the leadership record supports two declined futures, it writes two.
What it needs, and which agents use what it produces.