I never claimed Opus 4.5 can one-shot things? Even human-written software takes a few iterations to add/polish new features as they come to mind.

> And you clearly “broke” the model a few times based on your prompt log where the model was unable to solve the problem given with the spec.

That's less due to the model being wrong and more due to myself not knowing what I wanted because I am definitely not a UI/UX person. See my reply in the sibling thread.