chore: use uv, upgrade packages

next.config.ts

@@ -1,7 +1,7 @@
 import type { NextConfig } from "next";
 
 const nextConfig: NextConfig = {
-  /* config options here */
+  serverExternalPackages: ["@copilotkit/runtime"],
 };
 
 export default nextConfig;

package.json

@@ -14,13 +14,12 @@
     "postinstall": "npm run install:agent"
   },
   "dependencies": {
-    "@ag-ui/langgraph": "0.0.18",
-    "@copilotkit/react-core": "1.10.6",
-    "@copilotkit/react-ui": "1.10.6",
-    "@copilotkit/runtime": "1.10.6",
-    "next": "16.0.1",
-    "react": "^19.2.0",
-    "react-dom": "^19.2.0",
+    "@copilotkit/react-core": "1.50.0",
+    "@copilotkit/react-ui": "1.50.0",
+    "@copilotkit/runtime": "1.50.0",
+    "next": "16.0.8",
+    "react": "^19.2.1",
+    "react-dom": "^19.2.1",
     "zod": "^3.24.4"
   },
   "devDependencies": {
@@ -32,7 +31,7 @@
     "@types/react-dom": "^19",
     "concurrently": "^9.1.2",
     "eslint": "^9",
-    "eslint-config-next": "16.0.1",
+    "eslint-config-next": "16.0.7",
     "tailwindcss": "^4",
     "typescript": "^5"
   }

src/app/api/copilotkit/route.ts

@@ -3,33 +3,33 @@ import {
   ExperimentalEmptyAdapter,
   copilotRuntimeNextJSAppRouterEndpoint,
 } from "@copilotkit/runtime";
-
-import { LangGraphAgent } from "@ag-ui/langgraph"
+import { LangGraphAgent } from "@copilotkit/runtime/langgraph";
 import { NextRequest } from "next/server";
- 
+
 // 1. You can use any service adapter here for multi-agent support. We use
 //    the empty adapter since we're only using one agent.
 const serviceAdapter = new ExperimentalEmptyAdapter();
- 
+
 // 2. Create the CopilotRuntime instance and utilize the LangGraph AG-UI
 //    integration to setup the connection.
 const runtime = new CopilotRuntime({
   agents: {
-    "sample_agent": new LangGraphAgent({
-      deploymentUrl: process.env.LANGGRAPH_DEPLOYMENT_URL || "http://localhost:8123",
+    sample_agent: new LangGraphAgent({
+      deploymentUrl:
+        process.env.LANGGRAPH_DEPLOYMENT_URL || "http://localhost:8123",
       graphId: "sample_agent",
       langsmithApiKey: process.env.LANGSMITH_API_KEY || "",
     }),
-  }
+  },
 });
- 
+
 // 3. Build a Next.js API route that handles the CopilotKit runtime requests.
 export const POST = async (req: NextRequest) => {
   const { handleRequest } = copilotRuntimeNextJSAppRouterEndpoint({
-    runtime, 
+    runtime,
     serviceAdapter,
     endpoint: "/api/copilotkit",
   });
- 
+
   return handleRequest(req);
-};
+};