create final nodes

agent/nodes/dummyModel.ts

@@ -0,0 +1,13 @@
+import { GraphNode } from "@langchain/langgraph";
+import { MessagesState } from "../state";
+import { AIMessage } from "@langchain/core/messages";
+
+export function createDummyModelNode(addition): GraphNode<typeof MessagesState> {
+    return async (state) => {
+        //TODO: call AI model with collected data
+
+        return {
+            messages: [new AIMessage(addition + " : " + state.messages.at(-1)?.content)]
+        };
+    };
+}