Features like this exist for many years really, they were just called recommenders until two years ago. Every statistical fart is called AI nowadays.

Take a look at GrapheneOS.

There are already: GrapheneOS (only for Pixel phones) and /e/os for example.

3 Vaults:

• my personal vault with daily notes, book notes, recipes, notes about current special interests
• work notes with cli commands, code snippets, project notes
• a shared vault with my husband with notes about travel plans and shared hobbies

And in anarchy the strongest will be the winner, so you still can have this outcome.