Function isManifestUrl

src/utils/urlUtils.ts:247–254

(url: string)

 * Check if URL points to a JSON manifest file.
 */
export function isManifestUrl(url: string): boolean {
  try {
    const pathname = new URL(url).pathname.toLowerCase();
    return pathname.endsWith('.json');
  } catch {
    return false;
  }
}

/**
 * Enhanced error classification with cloud provider-specific CORS messages.