Don't build an AI that replays yesterday's spec — the gap between spec and source of truth is the real context (opens in new tab)

📌 The full version (with interactive SVG figures, the drift curve, the five-whys hub, the document-vs-context split, and the Harness concentric layers) is hosted on my blog: 👉 This dev.to post is the condensed version. The visualisations live on the original. Introduction More and more often, an AI agent's accuracy is decided by its context, not its prompting. But "context" here is not a polished spec. What really moves the needle is the gap between the spec and the source of truth, and the r...