Prompts are the new specs

When the document that describes the feature is also the input that builds it, the document stops drifting. Ambiguity is no longer a review comment — it is a wrong screen you can see immediately.

Teams that adapt fastest write prompts the way they used to write acceptance criteria: user, intent, constraints, and the edge case that usually breaks.

The knowledge file becomes the long-lived artefact. Prompts are the diff; knowledge is the state.