added write functionalities ie, swap and transfer

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

@@ -0,0 +1,23 @@
+import { prompt, parser } from "../prompts/manager";
+import { RunnableSequence } from "@langchain/core/runnables";
+import { solanaAgentState } from "../utils/state";
+import { gpt4o } from "../utils/model";
+
+const chain = RunnableSequence.from([prompt, gpt4o, parser]);
+
+export const managerNode = async (state: typeof solanaAgentState.State) => {
+  const { messages } = state;
+
+  const result = await chain.invoke({
+    formatInstructions: parser.getFormatInstructions(),
+    messages: messages,
+  });
+
+  const { isSolanaReadQuery, isSolanaWriteQuery, isGeneralQuery } = result;
+
+  return {
+    isSolanaReadQuery,
+    isSolanaWriteQuery,
+    isGeneralQuery,
+  };
+};