Function AutoBackgroundIfBlocking

tools/bash/background.go:343–348

(startTime time.Time, manager *BackgroundManager, command, description, cmd string)

	}
	output := stdout.String()
	if stderr.Len() > 0 {
		output += "\n[stderr]\n" + stderr.String()
	}
	output = FormatExitCode(task.Command, exitCode) + "\n\n" + output
	_ = os.WriteFile(task.OutputPath, []byte(output), 0o600)

	m.finishTask(task.TaskID, "completed", &exitCode)
}