fix: skip non-content registry files during sync

fix: harden scan and bump package version

fix: exclude non-content files from registry scan

docs: add end-user README and admin guide

chore: prep npm package and remove local registry files

docs: direct submissions to issues

fix: harden registry wizard and pack UI

chore: remove AI-generated slop and inconsistent comments

fix: robust type detection and strict README exclusion in registry wizard

feat: enhance registry wizard with sync detection and robust pack handling

feat: dynamic registry naming and folder-to-pack conversion

chore: remove AI-generated slop and improve build script type safety

feat: improve registry wizard with full directory tree and folder-to-pack conversion

fix: registry wizard type cycling and styling, add typecheck script

fix: restore registry menu in admin mode and update build scripts