You are designing a cart abandonment notification system for ShopNova , an e-commerce platform. The system needs to send a reminder message to users based on the following conditions: The user has not interacted with the site for 1 hour The user has added over $30 worth of items to their cart The user has not completed the purchase You plan to use Google Cloud Dataflow to process user behavior in real-time and decide whether a message should be triggered. How should you design the Dataflow pipeline?