I spent more than 2,000 hours across seven months building a live platform with AI as my only technical partner. I had no software development background going in. Throughout the build, I repeatedly encountered the same six failure modes: Band-Aid: Fixing the symptom instead of the cause Assumption: Filling a gap with what should be true instead of checking what actually is Drift: Quietly changing the scope or structure without saying so Hallucination: Inventing something ins...