I never let her get an inch because I know exactly where that leads. This is just going to have to be a continuation of that. Set boundaries. Call her out when she violates them. Let her hang herself.
Even the iPhone can handle the bully tactics with cops. Simply attempt to shut down the phone. You don’t have to follow through, pulling up the shutdown slider is enough. It will require a password to unlock after that.
Ima save you some time. If you want solidworks, use windows. Making fusion work properly under Linux is obnoxious enough but solidworks? It can be done but it’s much less agonizing shoving pine needles under your fingernails instead.
A cloud. Just to let them know they don’t own anything anymore.