export async function main(
  device: string,
  text: string,
): Promise<{ ok: boolean; device: string; text: string }> {
  const ALEXA_API_URL = "http://alexa_api:3500";

  const res = await fetch(`${ALEXA_API_URL}/speak`, {
    method: "POST",
    headers: { "Content-Type": "application/json" },
    body: JSON.stringify({ device, text }),  // ← SSMLなし、素のテキスト
  });

  if (!res.ok) {
    const body = await res.json().catch(() => ({}));
    throw new Error(`alexa-api error ${res.status}: ${JSON.stringify(body)}`);
  }

  return await res.json();
}