Prompt-based window snapping. For example, I would describe how windows should snap based on the type of app, the number of windows and more. Example: single terminal window should snap bottom left, second window should snap next to it. Browser window full screen unless other apps are open in which case half screen left. Etc.
Suggesting the specific bookmark subfolder that a website URL should be saved to, as a default presented (that could be ignored/overridden easily). I’m in content consumption mode on my iPad, and I have 200+ subfolders that I save bookmarks to, depending on the topic, content, etc. Spinning through to the right bookmark subfolder on iOS takes time, and software (dare I say AI) to guess which subfolder to save the bookmark, even if it’s right only 50% of the time, would make my cruising the Internet much more efficient.