Extracts hasMemberAccess(member) in tickets.js and uses it across event
registration, ticket purchase, and series purchase flows so guest, suspended,
and cancelled records no longer count as members while pending_payment still
does.
Set up Vitest with server (node) and client (jsdom) test projects.
79 tests across 8 files verify all Phase 0-1 security controls:
escapeHtml sanitization, DOMPurify markdown XSS prevention, CSRF
enforcement, security headers, rate limiting, auth guards, profile
field allowlist, and login anti-enumeration. Updated SECURITY_EVALUATION.md
with remediation status, implementation summary, and automated test
coverage details.
