Yes! I started taking some notes when I was halfway through, that helped a lot with the thought reconstruction. There is no chance I would find these TCF links organically again

Ah, it's not just me that does this. I also start taking notes from the beginning now, otherwise when I go back to write it up for others I sometimes can't even replicate the starting conditions.

For me, a particular browser window's (many) open tabs are usually a pretty good record.