The scenario — a purchase prototype

Start from the shape that looks most like you, then correct it.

Nothing on this page can be bought. This is a prototype of a purchase flow, not a purchase flow. No brief reaches us, no payment link is behind anything here, and which of the five (if any) becomes the real one is not decided. specified, not built 11 Sep 2026

The work it configures is done by people, and the team specified for it has never run. Which parts of it could later be done without them is a decision nobody has taken. specified, never run 11 Sep 2026

What it is testing	Whether starting from a guess beats starting from nothing. The corrections are the signal: what somebody removes from a prefilled estate says more than what they add to an empty one.
What is wrong with it	A scenario that is nearly right gets accepted whole. The brief records which one it started from for exactly that reason, and it is still a risk.
What it produces	One JSON brief, identical across all five prototypes. The interface is the variable; the document is not.

This prototype needs JavaScript. Everything it does happens in this browser: there is no form on this site and no page here opens a network connection, so with scripting off there is nothing to fall back to except the description of what it would do.

The interview →The ladder →The estate board →The delta →All five, compared →

The six offers → Every claim on this site, with its state → What we do not say →