63e715d570
Critical: Peter was missing design_review — spawned tasks would go unclaimed. All 4 agents now have design_roundtable in supported_templates. Removed design_polish from Peter (Elena does polish, not Peter). Added sections block to design_roundtable for deliverables/RAG access. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>