TL;DR: I spent a full day debugging my AI sales chatbot. What looked like one bug turned out to be five, stacked on top of each other. Each fix revealed the next problem underneath.
Here's the full story. You know that feeling when you fix a bug and your app gets worse? Not in the "oops I introduced a regression" way.
In the "oh no, the previous bug was masking another bug" way. And then you fix