- Implement client and server logic for Ghost game (`GhostGame`, `GhostLogic`, `GhostAI`, `ghostEngine`).
- Add perfect-play search and 5-tier skill system to the server-side dictionary engine.
- Register Ghost in the game registry and route it through `GameRoomScene`.
- Add `playIntro` option to `Portrait.js` and `skipIntro` to Wordle to control intro speeches on round restarts.
- Improve Scrabble rack reordering layout and gap handling during drag-and-drop.
- Expose Ghost API endpoints (`/ghost/judge`, `/ghost/ai-move`) in `wordRoutes.js`.
Brian Fertig