There are many rules to friendship, and a good friend knows when they need to be broken.
Yes.
Yes.
Both. Sometimes you have to be saved from yourself even if it disrespects a boundary. A real good friend will know when it’s necessary and when to just respect your wishes.
Something in between.
Consent first. If you are particularly close and truly trust each other, I think this can be a false binary. But many codependent and possessive people confuse being entitled and controlling with helping. If someone’s a real friend, then this needs to be a conversation where both people share their limits and needs and feelings about this sort of thing. It can be incredibly good to have someone catch you when you truly need it, but some people take advantage or feign concern for the power trip. People need to be able to TALK to their friends.