This sounds great! I am glad you are creating an SRD. I have been meaning to make a game where the players are the followers/clients/affinity of a central patron who the group is trying to help out of trouble like they have been arrested by a political rival or someone is attempting a character (or literal) assassination. It sounds like Nova Tali might be a good system for it.
In fact, now that I think about it, having the group be the Cliens of a Roman Patronus who is a senator or governor in the provinces might be a fun scenario for Jovia! (^_^)