fix(xl-ai): add @types/node for Node globals in test/util files

Author: nperez0111

packages/xl-ai/package.json

@@ -101,6 +101,7 @@
     "@types/json-schema": "^7.0.15",
     "@types/lodash.isequal": "^4.5.8",
     "@types/lodash.merge": "^4.6.9",
+    "@types/node": "22.13.13",
     "@types/react": "^19.2.3",
     "@types/react-dom": "^19.2.3",
     "@vitejs/plugin-react": "^6.0.1",

packages/xl-ai/tsconfig.json

@@ -20,6 +20,7 @@
     "emitDeclarationOnly": true,
     "composite": true,
     "skipLibCheck": true,
+    "types": ["node"],
     "paths": {
       "@shared/*": ["../../shared/*"]
     }