MEQR_API_KEY=your_api_key_here # Notion integration (for UTM Builder QR generation) # Create at https://www.notion.so/my-integrations, then share the UTM Builder DB with it NOTION_TOKEN=your_notion_integration_token_here # UTM Builder database ID UTM_DB_ID=your_utm_db_id_from_notion_here # Webhook secret for Vercel serverless function (shared with Notion automation) WEBHOOK_SECRET=your_webhook_secret_here