PostgreSQL, AI Governance, and the C.A.L.M. Platform Test

AI governance does not fail only at the model layer. It often fails earlier, inside the quiet assumptions between teams, data copies, access models, and operational ownership. In this post, I introduce the C.A.L.M. Platform Test — Changeability, Assurance, Leverage, and Measurability — as a practical way to evaluate whether a data platform is truly ready to support governed enterprise AI. Because…