The Simple Habit That Saves My Evenings

I do smth similar: writting dozens of TODO here and there and clearing them before the publishing PR. Treat this like a micro-kanban board integrated in the code.

Happy the author's found a solution to their problem, I keep notes during the day too, but

And of course, you are so driven by your idea that you decide to continue working despite your working day being over. “20 minutes more and I will finish it,” you think.

absolutely not. Unless I'm actively resolving an incident I shut my laptop bang on 5pm, and if I am resolving an incident, but it looks like it's going to be hours of work, I'll hand over to whoever's on-call once they get home and are able to pick it up.