Ability to use GRANDPARENT in PROMT (in AI fields, etc.)

Why is this a problem for you?

Case - need to set AI content in second-level fields of node, using content of whole node in promt:

Explain the problem as you see it

Can't use GRANDPARENT content in Promt of field AI.

Suggest a solution

Let use GRANDPARENT in Promt, samely as with ${sys:context}

Or, let use PARENT/GRANDPARENT in "Expand references" (isn't possible currently):