I think it's a good idea to have independently appointed management.
Though for Susan, time is the most precious commodity just now. I doubt there is much to be debated, Syco will probably have a pretty good idea of what tracks are going on the album (all well known showtunes, no doubt) and it's just a case of getting it done and getting the album out there.
She only has one album in her but she could sell enough to set her up for a very comfortable life. Not sure about her UK sales potential now that she didn't win, she ought to do OK. But it's the US that seems to be her captive audience and she needs to hope they are still with her.