설정 슬라이더 범위 대폭 확장

- Arena Size: 100-150 → 50-200
- Flag Count: 20-90 → 5-90
- Flag Speed: 1-6 → 0.5-15
- Gate Rotation: 0.005-0.03 → 0.001-0.1
- Exit Gap Size: 0.2-0.8 → 0.1-2.0
- Flag Size: 24-50 → 10-80

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
