The validator score panel was collapsed by default, so taggers thought nothing
was happening. Now open by default, with a caption explaining the metrics
measure "not-a-holding" detection and become meaningful as more "לא הלכה" items
are tagged (showing the current negative count while it's small).
Verified: tsc --noEmit 0.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>