The directional settle always paged one past the nearest column once the
viewport center crossed its center, so a fling that decelerated with a column
mostly on screen was pushed a full extra column. Settle now lands on the
nearest column, clamped to at least one column of progress from the gesture's
origin column — short swipes still commit forward and the settle never moves
against travel.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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