1032ae4268
Adds a Require2FA toggle to organization settings. When enabled, org members without 2FA are redirected to the security settings page with a warning flash message. Changes: - New Require2FA field on User model (migration v333) - Org settings UI checkbox with shield-lock icon - Check2FARequirement middleware on member-required org routes - UpdateOptions extended with Require2FA field Closes #208 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>