I built a SaaS in a weekend. Here's what broke first.

I remember the first time I wanted to change something small in an app I'd built with AI. I think it was a button color. Maybe the font on a heading. Something that should have taken thirty seconds. I spent two hours. Not because the change was hard. Because I couldn't find the right file. I had a folder full of stuff with names like layout.tsx and globals.css and page.tsx nested three levels deep, and I had no idea which one controlled the thing I was looking at in my browser. It felt like trying to find a light switch in someone else's house, in the dark, while wearing oven mitts. If you've built something with Cursor, v0, Lovable, or any AI coding tool and then hit this exact wall — yeah. I get it. That frustration is real, and it doesn't mean you're doing anything wrong. What I expected vs. what actually happened I built a small internal tool — a lightweight business OS for a co-founded startup. Deal tracking, task management, AI-assisted drafts. Used Cursor with Claude under the h