Vladislav Kopnin e21df93345 Moscow-time date display, CSRF error UX, session cookie hardening ...

- DateUtils: format ISO instants as dd.MM.yyyy HH:mm in Europe/Moscow
- admin/lab page and student dashboard show deadlines in MSK time
- CSRF failure redirects to /login with friendly message instead of 403
- session tracking-modes=cookie (no ;jsessionid in URLs) (previously set)
- web rebuild with all dialog/status-toggle fixes verified end-to-end

2026-09-11 21:55:08 +03:00

..

dashboard.html

Moscow-time date display, CSRF error UX, session cookie hardening

2026-09-11 21:55:08 +03:00