I let my OpenAPI spec do the work: one contract for Go, Flutter, and the LLM

There was a period on a Django project where a simple question of "is this field actually used on the frontend?" would trigger a small investigation. You'd check the backend, grep through the React code, and ask someone who might know. The answer was always in there somewhere, but it was never in one place. Not like anyone was being careless. There just wasn't a contract. So every question got answered by digging. My stack is Go on the backend and Flutter on the frontend. Before I settled on the