SUPABASE_URL=https://xxxxx.supabase.co
SUPABASE_KEY=your-anon-public-key-here
SUPABASE_SERVICE_KEY=your-service-role-key-here

# Firebase Auth (required for cloud multi-user auth, optional for local)
FIREBASE_SERVICE_ACCOUNT_JSON={"type":"service_account","project_id":"...","private_key":"...","client_email":"..."}
FIREBASE_API_KEY=AIza...
FIREBASE_PROJECT_ID=your-firebase-project-id