I brought this up in 2018 and I think now is the time to readdress
A Guild Hall or even a players home is meant to be the central hub for all your needs so why are we still unable to do the basics with our assistants.
When places in your home, expand the features so bankers can now access guild banks and guild stores.
Sale assistants can repair gear, (possibly with the gold going to the guild bank)
Thief assistants can laundering goods.
And now with combat assistants , how about the ability to make them dual,