fix web errors

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

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