Review a draft PRD against a short quality checklist before it goes to a stakeholder — is a decision actually being requested, is success measurable, are assumptions surfaced, is the "do nothing" option represented, is scope constrained. Not a PRD writer — a review lens applied after drafting. Use when the user has a draft PRD and wants a defensible read on whether it's ready for stakeholder review, when a PRD gets bounced back from an exec, or when the user's team keeps writing PRDs that no one acts on. Trigger on "review this PRD," "is this PRD ready," "why does this PRD keep getting kicked back," "what's wrong with this PRD," or as the last step before submitting a PRD…