We locked down our shared AI brain with read-only protections and mandatory pull request reviews, thinking strict version control meant tight restrictions. One partner would finish a client discovery call at 11pm, ready to capture budget constraints and technical requirements while the details were sharp, and couldn't push the update. Eight to twelve hours later, by the time approvals came through, those precise numbers had faded to approximations. The working solution was direct push access for both owners while keeping repository settings protected. When you're already running a business on trust, permission delays convert billable clarity into guesswork. https://blog.yalldigital.com/syncing-ai-brains-across-users-and-time-zones-github-permissions-and-the-reality-of-multi-user-access/