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    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <title>OpenAI Realtime API Voice Agent</title>
    <style>
      :root {

// @ts-ignore
import { OpenAI } from "https://esm.town/v/std/openai?v=4";
// --- AI BEHAVIORAL GUIDELINES ---
  if (req.method === "POST") {
    try {
      const openai = new OpenAI();
      const body = await req.json();
      const prompt = body.prompt;
      ];
      const completion = await openai.chat.completions.create({
        model: "gpt-4o",
        messages: messages,

// @ts-ignore
import { OpenAI } from "https://esm.town/v/std/openai?v=4";
// @ts-ignore
import { blob } from "https://esm.town/v/std/blob?v=11";
  try {
    if (req.method === "POST" && action === "runAutomatedEval") {
      const openai = new OpenAI();
      const { num_questions, prompt_types } = await req.json();
      // 1. Generation Phase
      const generationPromises = Array(num_questions).fill(null).map(() =>
        openai.chat.completions.create({
          model: "gpt-4o",
          messages: [{ role: "system", content: TRAP_DESIGNER_PROMPT }],
          const evals = {};
          for (const promptKey of prompt_types) {
            const completion = await openai.chat.completions.create({
              model: "gpt-4o",
              messages: [

// @ts-ignore
import { OpenAI } from "https://esm.town/v/std/openai?v=4";
// --- AI BEHAVIORAL GUIDELINES ---
  if (req.method === "POST" && action === "generateShape") {
    try {
      const openai = new OpenAI();
      const body = await req.json();
      const prompt = body.prompt;
      }
      const completion = await openai.chat.completions.create({
        model: "gpt-4o",
        messages: [

// @ts-ignore
import { OpenAI } from "https://esm.town/v/std/openai?v=4";
// --- AI BEHAVIORAL GUIDELINES ---
  if (req.method === "POST" && action === "architect") {
    try {
      const openai = new OpenAI();
      const body = await req.json();
      const goal = body.goal;
      ];
      const completion = await openai.chat.completions.create({
        model: "gpt-4o",
        messages: messages,

// @ts-ignore
import { OpenAI } from "https://esm.town/v/std/openai?v=4";
import { Hono } from "npm:hono@4.4.12";
app.post("/compose", async (c) => {
  try {
    const openai = new OpenAI();
    const { theme } = await c.req.json();
    }
    const completion = await openai.chat.completions.create({
      model: "gpt-4o",
      messages: [

observer.post("/:callId", async (c) => {
  const callId = c.req.param("callId");
  const url = `wss://api.openai.com/v1/realtime?call_id=${callId}`;
  const ws = new WebSocket(url, { headers: makeHeaders() });
  ws.on("open", () => {

const MODEL = "gpt-realtime";
const INSTRUCTIONS = `
  Greet the user in English, and thank them for trying the new OpenAI Realtime API.
  Give them a brief summary based on the list below, and then ask if they have any questions.
  Answer questions using the information below. For questions outside this scope,
  - higher audio quality
  - improved handling of alphanumerics (eg, properly understanding credit card and phone numbers)
  - support for the OpenAI Prompts API
  - support for MCP-based tools
  - auto-truncation to reduce context size
//const VOICE = "verse"; //male tenor
const OPENAI_API_KEY = Deno.env.get("OPENAI_API_KEY");
if (!OPENAI_API_KEY) {
  throw new Error("🔴 OpenAI API key not configured");
}
export function makeHeaders(contentType?: string) {
  const obj: Record<string, string> = {
    Authorization: `Bearer ${OPENAI_API_KEY}`,
  };
  if (contentType) obj["Content-Type"] = contentType;

  // Create the call.
  const url = "https://api.openai.com/v1/realtime/calls";
  const headers = makeHeaders();
  const fd = new FormData();

sip.post("/", async (c) => {
  // Verify the webhook.
  const OPENAI_SIGNING_SECRET = Deno.env.get("OPENAI_SIGNING_SECRET");
  if (!OPENAI_SIGNING_SECRET) {
    console.error("🔴 webhook secret not configured");
    return c.text("Internal error", 500);
  }
  const webhook = new Webhook(OPENAI_SIGNING_SECRET);
  const bodyStr = await c.req.text();
  let callId: string | undefined;
  // Accept the call.
  const url = `https://api.openai.com/v1/realtime/calls/${callId}/accept`;
  const headers = makeHeaders("application/json");
  const body = JSON.stringify(makeSession());