Windows reconfiguring into widgets is probably not going to be a viable KDE plugin. I do have to admit it's kinda cool, but less critically useful, and less likely to see application adoption.
The shake gesture, though, that can work with existing technology.
The document-associated clipboard stuff isn't ba-oh he's talking about AI in that now. Okay. Eating around the mold here. The idea isn't awful. But it's not a clipboard. It doesn't do the things a clipboard exists to facilitate. That is a different feature. Removing the clipboard in favor of this, which requires the concept of a document and associated document clipboard file, would be a criminal offense.