I Asked AI to 'Refactor This Nicely' and Got Unwanted Decimals and Dataclasses

I handed a 40-line order processing function to Claude Code and said "refactor this nicely." What came back: Decimal class, dataclasses, logging module, full type hints, and a Strategy pattern. 120 lines. I asked for none of it. Does it work? Yes. Is it readable? Yes. Will the reviewer say "do I rea