{"status":"online","message":"BGSC Leaderboard API is running (Read-Only Mode)","endpoints":[{"path":"/api/leaderboard","method":"GET","description":"리더보드 데이터 가져오기"},{"path":"/api/wallet/:address","method":"GET","description":"지갑 등록 상태 확인"},{"path":"/api/wallet/:address/balance","method":"GET","description":"지갑 잔액 조회"}],"timestamp":1776501495239,"programPeriod":{"start":"2025-05-14T15:00:00.000Z","end":"2025-08-15T15:00:00.000Z"},"mode":"READ_ONLY","notice":"지갑 등록 및 스냅샷 기능이 비활성화되었습니다."}