fix web errors

web/src/app/api/copilotkit/route.ts

@@ -2,6 +2,7 @@ import {
   CopilotRuntime,
   ExperimentalEmptyAdapter,
   copilotRuntimeNextJSAppRouterEndpoint,
+  LangGraphHttpAgent,
 } from "@copilotkit/runtime";
 
 import { NextRequest } from "next/server";
@@ -9,11 +10,11 @@ import { NextRequest } from "next/server";
 const serviceAdapter = new ExperimentalEmptyAdapter();
 
 const runtime = new CopilotRuntime({
-  remoteEndpoints: [
-    {
+  agents: {
+    vpi_1000: new LangGraphHttpAgent({
       url: `${process.env.LANGGRAPH_DEPLOYMENT_URL || "http://localhost:8000"}/copilotkit`,
-    },
-  ],
+    }),
+  },
 });
 
 export const POST = async (req: NextRequest) => {