The 5.5 pinned-entry shortcut in ContourEntryFeasibility looked up the
choice's contour before the probe's own validation, so an owned choice with
an out-of-range contour ordinal threw instead of returning Incomplete as it
did before. The lookup now runs only for an ordinal inside the preparation.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>