fix: 모델 패널 위치 상향 — 확장된 재생 컨트롤러와 겹침 해소

bottom: 100 → 120 (재생 활성 시)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

frontend/src/components/korea/CorrelationPanel.tsx

@@ -202,7 +202,7 @@ const CorrelationPanel = ({
   return (
     <div style={{
       position: 'absolute',
-      bottom: historyActive ? 100 : 20,
+      bottom: historyActive ? 120 : 20,
       left: 'calc(50% - 210px)',
       display: 'flex',
       gap: 6,