- Implement Azul (tile-drafting game) with full game logic, AI (5 skill levels),
spritesheet rendering, and animated wall-tiling/scoring
- Add Inês-flavored tutorial text and 96×96 tile spritesheet
- Register Azul in gamesRegistry, main.js, GameRoomScene, OpponentSelectScene,
and PreloadScene
- Add tutorial videos for Blokus and Chinese Checkers
- Update Blokus and Chinese Checkers registry entries with hasTutorial: true
- Add Klaxon (mecha) tutorial for Blokus and Kage (samurai) tutorial for
Chinese Checkers
- Fix TutorialModal close-button click fallthrough with transient shield overlay
