The idea is to form a council/board of directors. This board would govern the franchise, setting up the history, and what is cannon and what is not. The board would vary in size, most having a specific role.
You would have the authors group establishing the wookieepedia of sorts, they would get submissions and proposals, and file through them, the final approval requires a majority vote by the entire council for a book or story's to be commissioned.
The game developers group would also work with granting permission to allow other devs to make games off the franchise …