added pnpm

examples/agent-kit-langgraph/src/agents/generalAgent.ts

@@ -0,0 +1,32 @@
+import { createReactAgent } from "@langchain/langgraph/prebuilt";
+import { gpt4o } from "../utils/model.js";
+import { solanaAgentState } from "../utils/state.js";
+import { TavilySearchResults } from "@langchain/community/tools/tavily_search";
+import { HumanMessage } from "@langchain/core/messages";
+
+// Initialize tools array
+const searchTools = [];
+
+// Only add Tavily search if API key is available
+if (process.env.TAVILY_API_KEY) {
+  searchTools.push(new TavilySearchResults());
+}
+
+export const generalAgent = createReactAgent({
+  llm: gpt4o,
+  tools: searchTools,
+});
+
+export const generalistNode = async (state: typeof solanaAgentState.State) => {
+  const { messages } = state;
+
+  const result = await generalAgent.invoke({ messages });
+
+  return { messages: [...result.messages] };
+};
+
+const messages = [new HumanMessage("What is the best way to buy SOL?")];
+
+const result = await generalAgent.invoke({ messages });
+
+console.log(result.messages);