```

feat(game): update websocket URL configuration and improve game room logic

- Change VITE_GAME_WS_URL from /api/v1/ws to /ws in .env.development
- Update proxy configuration in vite.config.ts to match new websocket path
- Refactor leave room functionality to properly disconnect websocket
and destroy room state
- Add e2e testing script to package.json
```

package.json

@@ -7,7 +7,8 @@
   "scripts": {
     "dev": "vite",
     "build": "vue-tsc -b && vite build",
-    "preview": "vite preview"
+    "preview": "vite preview",
+    "test:e2e": "playwright test"
   },
   "dependencies": {
     "vue": "^3.5.25",