Adds POTATO Review, a configurable evidence-first review skill for documents, sources, citations, research artifacts, plans, code artifacts, and project packages.\n\nReal-world use case: reviewing academic and professional deliverables before submission or publication with explicit evidence, blockers, material risks, and source/citation checks.\n\nThe skill includes multiple POTATO review variants, rigor levels from quick scan to maximum verification, artifact profiles, optional safe memory handling, and report templates.