Use a different user. GrapheneOS can forward notifications from background to active user. I also use a separate phone for my side business and ignore my work-

Use a different user. GrapheneOS can forward notifications from background to active user. I also use a separate phone for my side business and ignore my work-provided phone 99% of the time cause I'm not on-call. Siloing the data on your device is a good idea, be sure to silo your time properly.