start adding dummy nodes

agent/state.ts

@@ -0,0 +1,17 @@
+import {
+  StateGraph,
+  StateSchema,
+  MessagesValue,
+  ReducedValue,
+  GraphNode,
+  ConditionalEdgeRouter,
+  START,
+  END,
+} from "@langchain/langgraph";
+import { z } from "zod/v4";
+
+export const MessagesState = new StateSchema({
+  messages: MessagesValue,
+  // normalizationContext: z.map(z.string(), z.string()),
+  disinformationTitle: z.string()
+});