- New lib/leaderboard.ts: fetchLeaderboard(tab) contract + maskEmailId
(PII) + deterministic demo; backend swaps body for getLeaderboard
- New components/Leaderboard.tsx: 2 tabs (참가자/AI 모델), folded by
default with 랭킹 보기/접기, top-3 purple highlight, id + points
- Place folding ranking right after the gold ₩1M card on match page
- /leaderboard full page renders the same component expanded
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Haewon Kam