- H1: Add missing sanitize() to help center content rendering
- H2: Tighten CSP by removing unsafe-inline/unsafe-eval from script-src;
move theme init to external JS file with meta tag for defaultDark
- M1: Add SSRF protection for radio API URLs (block private IPs)
- M2: Add rate limiting to SSO ticket endpoint (5 req/30s per user)
- M4: Document locale validation safety in i18n dynamic import
- L1: Truncate stacktraces in admin commandocentrum to first 20 lines
