… “prompting has split into four skills” — Context, Intent, Specification, Prompt. Everyone matched a tension one of us had brought into the room. And once they had names, something else clicked: the four crafts mapped cleanly onto P-CAM — Perception, Cognition, Agency, Manifestation.

…For the last eight months, the argument has been spec versus vibe. Structure versus flow. Waterfall versus emergence.

…Every standard critique of SDD, and every standard critique of vibe, traces back to the same thing. Not two sets of failures. One failure, surfacing on both sides of the debate. The three-layer collapse.

…Vibe coding collapsed because it had no contract. Spec-driven development is collapsing because it has three contracts pretending to be one. What rises from the fusion isn’t a new brand. It isn’t a better tool. It’s a separation of concerns — the oldest principle in software engineering — applied one layer up, to the documents we use to instruct the machines that write the documents. — Read More