- Extend SnapDetector to include distance and neighbor IDs in glow segment data
- Add CSS animations for spinning border shimmer effects on puzzle selection cards
- Implement dynamic hover/selection states with scale transform and glow effects on cards
- Add puzzle view mode guard to prevent interaction during completed state display
- Refactor piece glow system: replace static multi-pass lines with dynamic intensity-based fading, add per-piece preFX glow, and include proper cleanup of timers/glow FX
Brian Fertig