Oh shit, I’ve just realised RogueLeader had this idea ages ago!
https://originaltrilogy.com/topic/A-Collaborative-Star-Wars-Saga-Edit/id/60169
Sorry Rogue, I must have subconsciously remembered it. Either way, I’m reposting it here because there’s also good community thought there.
Edit: Jesus, I even suggested getting methodical about stuff there too with spreadsheets and the like.