I know it is so hard to see your mother like this and to wonder what is next. I am so sorry! I think the fact she is in hospice care means medical personnel think she is nearing the end of her life.
That said, I would caution the use of AI to “stage” Lewy Body Disease. Unlike Alzheimer's, LBD is not classified in stages, because LBD is far more variable and less predictable than Alzheimer's. I recommend you avoid AI to predict end-of-life scenarios in LBD, and instead, consult Mayo Clinic and/or the Lewy Body Dementia Association.
Your mother is lucky to have your love and care.