wip: use a big dep

Author: 43081j

package-lock.json

@@ -40,6 +40,7 @@
     "@types/node": "^24.5.2",
     "esbuild": "^0.25.10",
     "eslint": "^9.36.0",
+    "is-string": "^1.1.1",
     "prettier": "^3.6.2",
     "typescript": "^5.9.2",
     "typescript-eslint": "^8.44.1",