Saga Pattern Without the Drama: A Real Order Service in 200 Lines

Book: Event-Driven Architecture Pocket Guide My project: Hermes IDE | GitHub — an IDE for developers who ship with Claude Code and other AI coding tools Me: xgabriel.com | GitHub There is a class of bug that only appears in checkout flows on Sunday nights. The order is created. The inventory is reserved. The payment service times out, retries, and charges twice. The shipment label is printed for the second charge. The customer gets one box and an email saying their refund is on the way. Somewher