Chess juice:
- Capture: particle burst at capture square + board shake + haptic
- Check: board shake + haptic medium
- Checkmate: heavy shake + screen flash + haptic heavy

Ludo juice:
- Dice roll: slam-in with 1.6x overshoot + board shake + haptic
- Roll 6: golden star burst around dice
- Capture: confetti + heavy shake + haptic heavy
- Piece finish: star burst + haptic success
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>