I built a region-survivable system by directing an AI agent. An append-only decision log kept it coherent.

Most of the code in Quorum was written by directing Claude Code, an AI coding agent. That is not the interesting claim, and on its own it is not even a good one. An agent left to run unsupervised produces fast, plausible, locally-correct code that drifts into an incoherent system. The interesting pa