Separate web-client/ directory with Phaser 3 + Vite + vanilla JS:
- Services: event bus, WebSocket connection (heartbeat, reconnect),
game state, protocol constants matching server enums
- Scenes: BootScene (connect), MenuScene (DOM overlay), GameScene
(canvas board with grid, stones, hover, click-to-move, animations)
- Objects: Board (wood grid, star points, labels), Stone (gradient
circles with drop tween animation)
- UI: DOM overlays for nickname, lobby, PVP/PVE menus, room list,
waiting room, game HUD, game over, toast notifications
- Audio: Web Audio API stone click + win/lose tones
- Full game flow: nickname → lobby → create/join/PVE → play → game over
tiennm99