UX, not UI. perfect example is you copy something on your laptop and paste it on your phone. trivial on iDevice.
KDE connect over Bluetooth or WiFi seems ideal for this, so it's definitely possible. I am not sure how the iDevices deal with this, but I really don't want anything cloud-connected.
KDE Connect is more reliable than Continuity Clipboard, in my experience.
so you have your file on a laptop running linux, and its just easy to move the file to your iOS phone?
this doesn't work sometimes. my wife complains frequently
Trivial as in it works well sometimes and badly in other times with no explanation for why. That’s my experience anyway.