v1.5.5

Bug Fixes

• 🐛 Fix mobile score table horizontal scroll on finished page (#83)
• 🐛 Fix stale series pages on browser back navigation (#82)

Features

• ✨ Cache Opening Explorer responses in MongoDB with API auth (#84)
  • Bearer token authentication for Lichess Explorer API
  • Cache-first strategy with 24h TTL
  • Stale cache fallback on API failure
  • Background refresh (6h) + preset seeding (10 openings)

Deployment Notes

• EXPLORER_TOKEN 환경변수 설정 필요 (Lichess API 토큰)