- Added isTeamMember check (session user ID === certificate user ID) - Hide all action buttons (Download, Print, View Submission) for non-members - Hide "Back to Submission" button in header for non-members - Unauthenticated users and other users can view certificate but cannot interact with buttons 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>