Function emitLoadError

src/cli/print.ts:4846–4871

* Emits an error message in the correct format based on outputFormat. * When using stream-json, writes JSON to stdout; otherwise writes plain text to stderr.

(
  message: string,
  outputFormat: string | undefined,
)

 * When using stream-json, writes JSON to stdout; otherwise writes plain text to stderr.
 */
function emitLoadError(
  message: string,
  outputFormat: string | undefined,
): void {
  if (outputFormat === 'stream-json') {
    const errorResult = {
      type: 'result',
      subtype: 'error_during_execution',
      duration_ms: 0,
      duration_api_ms: 0,
      is_error: true,
      num_turns: 0,
      stop_reason: null,
      session_id: getSessionId(),
      total_cost_usd: 0,
      usage: EMPTY_USAGE,
      modelUsage: {},
      permission_denials: [],
      uuid: randomUUID(),
      errors: [message],
    }
    process.stdout.write(jsonStringify(errorResult) + '\n')
  } else {
    process.stderr.write(message + '\n')
  }
}

/**
 * Removes an interrupted user message and its synthetic assistant sentinel