feat: update typecheck script to use incremental compilation

app/game-engine/package.json

@@ -9,7 +9,7 @@
         "start": "pnpm run build && node dist/index.js",
         "lint": "node -e \"console.log('lint not configured')\"",
         "test": "vitest run --config vitest.config.ts",
-        "typecheck": "tsc --noEmit"
+        "typecheck": "tsc -b"
     },
     "dependencies": {
         "@sammo-ts/common": "workspace:*",