async function queryWithRetry(query: string, variables: object, retries = 3) {
  for (let i = 0; i < retries; i++) {
    const response = await fetch("https://api.sandstone.ai/graphql", {
      method: "POST",
      headers: {
        "Content-Type": "application/json",
        "X-API-Key": API_KEY,
      },
      body: JSON.stringify({ query, variables }),
    });

    if (response.status === 429) {
      const retryAfter = response.headers.get("Retry-After");
      const delayMs = retryAfter
        ? parseInt(retryAfter) * 1000
        : Math.min(500 * Math.pow(2, i), 10000);
      await new Promise((r) => setTimeout(r, delayMs));
      continue;
    }

    return response.json();
  }

  throw new Error("Rate limited after maximum retries");
}