refactor: update file-graph package structure and integrate with game session management

packages/game/tsconfig.json

@@ -3,7 +3,9 @@
   "compilerOptions": {
     "outDir": "./dist",
     "rootDir": "./src",
-    "composite": true
+    "composite": true,
+    "module": "CommonJS",
+    "moduleResolution": "Node"
   },
   "include": ["src"]
 }