The published build is missing Supabase credentials, so sign-in and account data can’t load. This usually means the app was published before Lovable Cloud was connected — the fix is to republish.
.env.example to .env and fill VITE_SUPABASE_URL and VITE_SUPABASE_PUBLISHABLE_KEY, then restart the dev server.Missing: VITE_SUPABASE_URL, VITE_SUPABASE_PUBLISHABLE_KEY