- Home bases: positions at grid 1.5/3.5 (exact quadrant centers)
- Center: 4 triangles now form a proper square (top=red, right=blue,
  bottom=green, left=yellow) with white border — like real Ludo boards
- Removed weird angle-based triangle calculation
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>