/**
 * Share utility with Web Share API and clipboard fallback.
 * Returns { success: boolean, method: 'share' | 'clipboard' }
 */
export async function share(url) {
  // Try Web Share API first
  if (navigator.share) {
    try {
      await navigator.share({ url });
      return { success: true, method: 'share' };
    } catch (err) {
      // User cancelled or error - fall through to clipboard
      if (err.name === 'AbortError') {
        return { success: false, method: 'share' };
      }
    }
  }

  // Fallback to clipboard
  try {
    await navigator.clipboard.writeText(url);
    return { success: true, method: 'clipboard' };
  } catch (err) {
    console.error('Failed to copy to clipboard:', err);
    return { success: false, method: 'clipboard' };
  }
}