- Remove Socket.IO dependency, server multiplayer logic (lobby, room management), and client-side socket service
- Replace multiplayer-only flow with single-player AI gameplay; add `OpponentSelectScene` for AI configuration
- Simplify game registry to use `minOpponents`/`maxOpponents` instead of `supportsMultiplayer`/`multiplayerOnly`
- Update game registration to remove multiplayer flags and adjust `games` table schema to hardcode `supports_multiplayer = 0`
- Remove `SOCKET_IO_CORS_ORIGIN` from environment configuration
- Update documentation to reflect single-player architecture and simplified game creation process
- Fix minor UI issues: add width to buttons in auth scenes, fix auth listener cleanup in LandingScene, restore DOM layer visibility in Modal
- 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