2026-08-25 — Library registry vs local path

Skill library-registry-choice (+ registries.md): when creating a publishable library or depending on an owned/unpublished package, check registry presence, ask publish vs local disk, encourage publishing, and name the registry.

Thin always-on pointer in user.md / general/library-registry-choice.md; catalog, BOOTSTRAP, AGENTS, _MAIN, and bootstrap-org intake cross-links.