Photoshop for iPad won't open files direct from Procreate or install brushes from anywhere.

For months now Photoshop on my iPad has not sync'd with Procreate on my iPad.  I called Adobe customer service and was given the run around but repeatedly and REPEATEDLY assured that this was a Procreate problem and not at all a Photoshop problem and for me to address it with Procreate before the agent hurried me off the phone. (He must have had a hot date or something because he could not wait to hang up with me.)  Now I can't even install brushes and I've lost hundreds of custom brushes because I reinstalled the app.

iPadOS 17.2
iPad Pro 12.9 inch 4th Generation

Steps to reproduce the problem?  Try to share a .PSD from Procreate to Photoshop, it opens Photoshop, but nothing else happens.  Try to install brushes, it opens Photoshop, but nothing else happens.  I'm dead in the water here.