Buffer .brainstorm/interns.md → .archive/2026-05-05-interns.md after ingesting concepts/interns-design.md into claude-skills (commits 30c329fd+035e4dd5+3deaa357) and creating 4 follow-up tasks across claude-skills (interns-skills-mvp, ready), common (interns-mcp-mvp ready; unify-llm-secrets blocked), and projects-meta-mcp (migrate-to-common-lib blocked).