- Implement Mexican Train game logic, AI opponent, and Phaser UI scene
- Register Mexican Train in server game registry and client dispatch tables
- Add roulette spin sound effect and improved win/lose animations with fireworks
- Update preload scene and sound registry to support new audio assets
- Introduce `MusicPlayer` class for in-game music with shuffle, skip, and mute controls
- Add `MenuMusic` utility for background music in menu scenes
- Load music tracks and metadata via `music.json`
- Implement drag-and-drop for SkipBo cards with visual feedback
- Add card flight animations for Phase 10 AI actions and player draws
- Update Phase 10 AI turn timing and reduce delays for smoother gameplay
- Introduce `Sounds.js` utility and load new audio assets (dice, cards, chips, casino).
- Play appropriate sound effects in Backgammon, Blackjack, Holdem, Parchisi, Phase10, SkipBo, and Yatzi.
- Add `background-casino.png` and `background-room.png` to PreloadScene.
- Update OpponentSelectScene with new backgrounds, styled title/subtitle pills, and improved Start/Back buttons.
- Enhance opponent selection with gradient backgrounds and shadows via `applyOpponentStyle`.
- Implement `highlightTile` for better visual feedback in option selectors.
- Randomly select a card back for card games in OpponentSelectScene.
- Update color palette to warm vintage tones (gold, cream, dark brown) in config.js
- Apply 'Righteous' and 'Julius Sans One' fonts across all game scenes and UI components
- Redesign Parchisi game logic: switch to counter-clockwise movement, update entry/home positions, and add bonus chip indicator
- Improve Parchisi UI: reposition dice and buttons, add turn indicator movement with callbacks, and fix AI turn timing
- Enhance LandingScene with animated logo, avatar support, and improved layout
- Update Button component with rounded corners, shadow effects, and hover states
- Add background image and main title asset loading in PreloadScene
- Extend auth service to include displayName and avatarPath in session user data
- Update CSS to match new theme and load custom fonts