Ask an Immigration Solicitor. Get an Answer ASAP.
where is she now? and what is her status there?
She can apply pre settled status from inside UK under Surinder Singh route.
I hope it will help you.
If you are happy then give positive rating.
As long as she has EEA residence permit she can come to UK and apply inside UK. But if she has Irish citizen spouse visa then she need visa before coming to UK.