Hunting down three critical bugs in a real optimization project showed us the biggest blind spot in modern software development — and pointed us toward a fix. June 2026 · stochastic-VRP-decision-focused-learning · github/spec-kit Picture this: you hand a complex optimization problem to an AI. Within hours, 17 files are pushed. Tables, charts, numbers — everything looks polished and complete. But what if three critical bugs are hiding inside? And none of them were caught by code...