test profile 300 NPC unification memory

app/game-engine/package.json

@@ -11,6 +11,7 @@
         "start": "pnpm run build && node dist/index.js",
         "lint": "eslint .",
         "lint:fix": "eslint . --fix",
+        "profile:npc-unification-memory": "node scripts/profile-npc-unification-memory.mjs",
         "test": "vitest run --config vitest.config.ts",
         "typecheck": "tsc -b"
     },