Experimental end-to-end product-design orchestrator that frames project context, retrieves research, models experience flows, defines visual direction, creates artifacts, and validates rendered outcomes. Use only when explicitly asked for "end-to-end product design", "design this feature end-to-end", "redesign this flow", "build an experience from this brief", or "create a product experience". Use the stable specialist skills for isolated audits, dashboards, AI features, design systems, handoff, or case studies.