chore: import upstream snapshot with attribution

examples/v2/runtime/deno/.env.example

@@ -0,0 +1,2 @@
+OPENAI_API_KEY=your-openai-api-key
+PORT=4005

examples/v2/runtime/deno/deno.json

@@ -0,0 +1,10 @@
+{
+  "nodeModulesDir": "manual",
+  "tasks": {
+    "dev": "deno run --allow-net --allow-env --allow-read --watch src/index.ts",
+    "start": "deno run --allow-net --allow-env --allow-read src/index.ts"
+  },
+  "compilerOptions": {
+    "strict": true
+  }
+}

examples/v2/runtime/deno/package.json

@@ -0,0 +1,15 @@
+{
+  "name": "@copilotkit/example-runtime-deno",
+  "version": "0.0.1",
+  "private": true,
+  "scripts": {
+    "example-dev": "deno run --allow-net --allow-env --allow-read src/index.ts",
+    "example-start": "deno run --allow-net --allow-env --allow-read src/index.ts"
+  },
+  "dependencies": {
+    "@copilotkit/runtime": "workspace:^"
+  },
+  "devDependencies": {
+    "typescript": "^5.8.2"
+  }
+}

examples/v2/runtime/deno/src/index.ts

@@ -0,0 +1,23 @@
+import {
+  CopilotRuntime,
+  createCopilotRuntimeHandler,
+  BuiltInAgent,
+} from "@copilotkit/runtime/v2";
+
+const runtime = new CopilotRuntime({
+  agents: {
+    default: new BuiltInAgent({ model: "openai/gpt-5-mini" }),
+  },
+});
+
+const handler = createCopilotRuntimeHandler({
+  runtime,
+  basePath: "/api/copilotkit",
+  cors: true,
+});
+
+const port = Number(Deno.env.get("PORT") ?? "4005");
+Deno.serve({ port }, handler);
+console.log(
+  `Deno runtime listening on http://localhost:${port}/api/copilotkit`,
+);