Track all logins (not just first) via ApplicationLogger user_login action.
Add User Login filter option to logs-viewer.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Change redirect_uri to app root (without /auth.php) to match what's
registered in Azure portal. Use relative URLs for auth fetch and reload
on success instead of computed absolute paths.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>