I think that having an accesible function that puts your phone on a full lockdown and only permits the “always allowed” apps in shortcut style dummy phone version should be implemented.
It can be very useful when users are triggered to use their phone and need a mental reset from the loop it causes. It could be a room that helps the person refocus on their goals and be a healthy distraction.
Also, really useful for users that want to stop viewing nsfw content and resist moments of urges.