fix version mismatch (#21)

Author: Pederzh

package-lock.json

@@ -91,7 +91,7 @@
   "dependencies": {
     "@dmitryrechkin/json-schema-to-zod": "^1.0.1",
     "@langchain/anthropic": "^0.3.14",
-    "@langchain/core": "0.3.58",
+    "@langchain/core": "0.3.71",
     "@langchain/openai": "^0.5.15",
     "@modelcontextprotocol/sdk": "1.12.1",
     "@scarf/scarf": "^1.4.0",