Introduces two new resource types (hooks, claude-md) with full CRUD,
visual hook config editor, section-delimited CLAUDE.md installs,
uninstall endpoints, and shell injection hardening in sync scripts.
Introduce token-based author authentication (register/verify API),
skill forking with EditGate protection, tag metadata on skills,
and download/push stats. Enhanced push scripts with token auth
and per-skill filtering. Updated UI with stats, tags, and
author info on skill cards.
