Function extractErrorDetail

src/bridge/debugUtils.ts:106–121

(data: unknown)

 * Checks `data.message` first, then `data.error.message`.
 */
export function extractErrorDetail(data: unknown): string | undefined {
  if (!data || typeof data !== 'object') return undefined
  if ('message' in data && typeof data.message === 'string') {
    return data.message
  }
  if (
    'error' in data &&
    data.error !== null &&
    typeof data.error === 'object' &&
    'message' in data.error &&
    typeof data.error.message === 'string'
  ) {
    return data.error.message
  }
  return undefined
}

/**
 * Log a bridge init skip — debug message + `tengu_bridge_repl_skipped`