Settings
Environment status and data portability.
Authentication
Supabase drives signup and login for now.
Supabase not configured
Set NEXT_PUBLIC_SUPABASE_URL and NEXT_PUBLIC_SUPABASE_ANON_KEY to enable auth.
Analytics
Google Tag Manager loads only when configured.
GTM disabled
Add NEXT_PUBLIC_GTM_ID to activate GTM without changing the app code.
Import / Export
Move configs and results between browsers.