This is absolutely correct. I'm considering removing that part of my pre-prompt because it's flaky and loses context when the conversation falls out of the wind

This is absolutely correct. I'm considering removing that part of my pre-prompt because it's flaky and loses context when the conversation falls out of the window. I find myself restarting conversations a lot as they get too long. It would be very useful to me if I could have something like a conversation context tree where I could branch off various threads in order to maintain the "main context trunk" of a conversation but on a new branch. This would allow you to have "sidebar" conversations that veer off topic. When this happens in the ChatGPT UI I tend to scroll all the way back up to the input which steered the conversation (in a different but useful direction), I then edit that input which lobs off the off-topic branch and continues from the main context trunk.