Function getRetryAfter

src/utils/engineErrorHandler.ts:35–47

* Extracts retry-after value from error headers (for rate limiting)

(error: unknown)

 * Extracts retry-after value from error headers (for rate limiting)
 */
function getRetryAfter(error: unknown): number | undefined {
  const headers = (error as any)?.response?.headers;
  if (headers) {
    const retryAfter = headers['retry-after'] || headers['Retry-After'];
    if (retryAfter) {
      const seconds = parseInt(retryAfter, 10);
      if (!isNaN(seconds)) {
        return seconds;
      }
    }
  }
  return undefined;
}

/**
 * Extracts the error message from various error structures