evidence.settle.lateShifts lists the counted shifts after the first-card
cutoff with the nodes the browser attributes them to. On master the settled
score is 0.236: the recent-sources rail moves up 316 px about 12 ms after
the first card and back down shortly after, a flicker #1738 did not cover.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>