#!/usr/bin/env python3 """The SOP wizard's step rail — A4 / S9 / C1 (T5.1). The rail was ten div elements carrying onclick inside a horizontal scroller: not in the tab order, unreachable by keyboard, and silent about progress. The one thing on the page that did say where you were was a "1 / 10" pill in the app bar, detached from the control it described. Every one of T5.1's done-whens is checked here, because nothing that already existed could check any of them: 1. every step is a