add Author role+solution

Cards can be set to be readable, editable, etc. by Author, which means the person who created the card.

Home card's author is set to the owner?

and its plus cards?

what if one of its plus cards gets created by someone else?

Give every user permission to edit permissions on cards for which they are te Author?

Offer a way to restrict? E.g., only their home card and plus cards with it as a part.