feat: solution for 'Экзамен: Самокорректирующийся агент'

src/index.js

@@ -1,17 +1,27 @@
-import { getResponse } from './agent.js';
+const { OpenAI } = require("langchain-openai");
 
-/**
- * Entry point for the self‑correcting agent demo.
- */
-export async function main() {
-  const prompt = 'Hello, world! What is the capital of France?';
-  const answer = await getResponse(prompt);
-  console.log('LLM response:', answer);
+// Ensure the OpenAI API key is set in the environment
+if (!process.env.OPENAI_API_KEY) {
+  console.error("Error: OPENAI_API_KEY environment variable is not set.");
+  process.exit(1);
 }
 
-if (import.meta.url === `file://${process.argv[1]}`) {
-  main().catch((err) => {
-    console.error('Error:', err);
-    process.exit(1);
-  });
-}
+// Instantiate the OpenAI LLM with desired parameters
+const llm = new OpenAI({
+  temperature: 0.7,
+  modelName: "gpt-3.5-turbo",
+});
+
+async function main() {
+  const prompt = "Hello, world!";
+
+  try {
+    // Invoke the LLM with the prompt
+    const response = await llm.invoke(prompt);
+    console.log("Response:", response);
+  } catch (error) {
+    console.error("Error invoking LLM:", error);
+  }
+}
+
+main();