Is this a problem with a specific AI tool?
No. It follows from generating code out of prompts against a codebase whose reasoning was never recorded, so it appears across every tool in the category. Tools differ in how quickly you reach it, not in whether you do.
From Why AI-generated apps fall apart in week three, published 9 August 2026. That article is where the reasoning behind this answer is set out, including what it does not cover.