Gate an Impossible verdict. priorCount is how many concurring
Impossible verdicts have accumulated on prior steps; the caller carries the
returned newCount forward. A non-Impossible verdict resets the count. While
the page is loading the verdict is suppressed and the count is held (not
incremented, not reset) — a boot screen shouldn't build toward or clear the
quorum.
Gate an Impossible verdict.
priorCountis how many concurring Impossible verdicts have accumulated on prior steps; the caller carries the returnednewCountforward. A non-Impossible verdict resets the count. While the page is loading the verdict is suppressed and the count is held (not incremented, not reset) — a boot screen shouldn't build toward or clear the quorum.