Panel-decided (3-leg) rebalance: universal baseline shrinks to 6 (readme, doc-contract-index, contract-version-status, glossary, interface-declaration, codeowners); service-catalog-ownership/sbom/adr-index/dev-setup/changelog move to code archetypes; contributing/license to the public modifier. Experiment/document archetypes are now genuinely lightweight. Version pins moved to the 0.3.x window.