This skill guides the user through a structured specification process: a mandatory six-question Step 0 gate, a clarifying requirements interview, complexity tiering, CVA analysis (when relevant), and generation of durable PRD artifacts (REQ/DESIGN/TASK). It produces verifiable, EARS-style acceptance criteria ready for engineering work.
Use when you need to transform a problem, ticket, or idea into a formal, testable requirements document before implementation — e.g., preparing a PRD, splitting work for engineers, or validating scope with stakeholders. It is blocking for cases that require clear demand/signal evidence (Step 0).
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