feat: solution for 'Экзамен: Самокорректирующийся агент'

package.json

@@ -1,14 +1,19 @@
 {
   "name": "self-correcting-agent",
   "version": "1.0.0",
-  "description": "A minimal self‑correcting agent using LangChain OpenAI provider",
+  "description": "A minimal Node.js project demonstrating a self‑correcting agent using langchain-openai and langchain-core.",
   "main": "src/index.js",
   "type": "module",
   "scripts": {
-    "start": "node src/index.js",
-    "test": "echo \"No tests defined\" && exit 0"
+    "start": "node src/index.js"
   },
   "dependencies": {
+    "langchain-core": "^0.1.0",
     "langchain-openai": "^0.1.0"
-  }
+  },
+  "engines": {
+    "node": ">=18"
+  },
+  "author": "Your Name",
+  "license": "MIT"
 }