export async function fetchJson(url, options = {}) {
  const { timeoutMs = 15_000, ...fetchOptions } = options;
  let timeout = null;
  let controller = null;

  if (!fetchOptions.signal && timeoutMs > 0) {
    controller = new AbortController();
    fetchOptions.signal = controller.signal;
    timeout = globalThis.setTimeout(() => controller.abort(), timeoutMs);
  }

  try {
    const response = await fetch(url, fetchOptions);
    const text = await response.text();
    const data = text ? JSON.parse(text) : null;

    if (!response.ok) {
      throw new Error(data?.error || `HTTP ${response.status}`);
    }

    return data;
  } catch (error) {
    if (controller?.signal.aborted) {
      throw new Error(`Request timed out after ${timeoutMs}ms`);
    }
    throw error;
  } finally {
    if (timeout) globalThis.clearTimeout(timeout);
  }
}