- Implement Hearts game logic (HeartsLogic.js) with classic rules: passing, trick-taking, scoring, and moon-shooting mechanics
- Add AI opponent logic (HeartsAI.js) with heuristic-based card selection for passing and playing
- Create HeartsGame.js Phaser scene with full UI: card rendering, animations, trick collection, score tracking, and game flow
- Register Hearts in game registry as a 4-player card game
- Integrate Hearts into game routing and menu dispatch