Problems I'm having with Opus and regression (opens in new tab)

I'm having a terrible problem with claude opus constantly clobering some of my codebase ..because I'm doing some things that are novel and arent inclded in his training data ..for the last month "ve been fighting the training data which keeps knee jerking claude into a refactor loop because it thinks it recognizes a pattern in my code and then jst 'fixes it' ..I was at my witts end and then I got to use fable for a day and fable pointed it out to me ...my patern is past whats considered to be...