- Implement Kiitos game logic: build-a-word mechanic with forced plays,
deviations, and pass resolution when stuck
- Add 3-round progression escalating rules (4+ words, prepend, super-Kiitos
insert-anywhere, double scoring)
- Create server-side dictionary engine with prefix trie, word validation,
and skill-aware AI move selection
- Build cozy Nordic café-themed Phaser scene with drag-and-drop letter cards
- Support 1 human + up to 3 AI opponents with turn-based play
- Integrate Kiitos into game menu, room scene, and opponent selection
- Add game icon to game-icons sheet