b7221dbda1
CRITICAL FIXES: - Fixed $SYS_PANEL variable (should be $SYS_CONTROL_PANEL) in service checks - cPanel service check now works - Plesk service check now works - Added InterWorx service check (was missing) - Updated firewall recommendations to be platform-aware - cPanel: Recommends CSF - Plesk: Recommends Plesk built-in firewall - InterWorx: Recommends CSF or firewalld - Standalone: Generic firewall options This ensures system-health-check.sh now works correctly on all platforms.