Drop the defaultOpen={i===0} on the first threshold_claim — when a
case has a lot of material already on screen (research background
+ chair positions + now precedents), auto-opening the first card
creates a wall of text on page load. All cards now start collapsed,
same as the issues list already did.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>