Add welcome gift to first order for new customers

You miss adding welcome gifts to new customers' first orders, causing extra packing steps and customer confusion. Add the giveaway to qualifying initial orders so fulfillment ships ready same day.

Overview

Missing welcome gifts add packing work and make first impressions inconsistent. This flow automatically adds a configured welcome item to qualifying first orders so fulfillment gets ready-to-ship records and customer success can start outreach the same day.