Here's the fact that explains the horoscope: the model sees exactly what you paste, and nothing else. Not her files. Not her screen. Not the old chat where it wrote the button code. A fresh conversation starts blank.
So "my code is broken" arrives as six words floating in space. For code questions, feeding it properly means four things: the relevant code, the exact error, what you ran and expected, and your constraints. Watch what each ingredient buys.