Been tinkering with a SaaS side project for a few months and the gap between what I can ship now versus a year ago is genuinely strange. Not in a purely good way either. The tools are good enough that I can move fast through parts of the stack I barely understand. Which works until it doesn't, and when it breaks I'm staring at code I didn't fully write trying to debug something I can't fully reason about. That's a new kind of stuck that feels different from the old kind. What keeps nagging a...