- Add tower and tower-cookies dependencies for session management
- Create login page template with username/password form
- Implement /login and /logout routes with cookie-based sessions
- Update navigation bar to show Login/Logout based on auth state
- Add is_authenticated field to all page templates
- Hide create/update/delete UI controls when unauthenticated
- Session tokens stored in secure HttpOnly cookies with SameSite=Lax
- Password verification uses constant-time comparison via Argon2
Co-authored-by: jnsgruk <668505+jnsgruk@users.noreply.github.com>
