03 Route Handler

import { json, type RequestHandler } from "@sveltejs/kit";
import { z } from "zod";
import { supportAgent } from "$lib/server/ai/support-agent";

const SupportRequest = z.object({
  message: z.string().trim().min(1, "message is required"),
});

export const POST: RequestHandler = async ({ request }) => {
  const parsed = SupportRequest.safeParse(await request.json());

  if (!parsed.success) {
    return json(
      { error: { code: "bad_request", message: parsed.error.issues[0]?.message } },
      { status: 400 },
    );
  }

  const response = await supportAgent.prompt(parsed.data.message).send();

  return json({
    output: response.output,
    usage: response.usage,
    messages: response.messages,
  });
};

const response = await fetch("/api/support", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({ message: "How long does a reset link last?" }),
});

const data = await response.json();
console.log(data.output);

try {
  const response = await supportAgent.prompt(parsed.data.message).send();
  return json({ output: response.output });
} catch (error) {
  console.error(error);
  return json(
    { error: { code: "agent_failed", message: "The agent run failed." } },
    { status: 500 },
  );
}