Syncing a catalogue you do not own
Tens of thousands of products from a third-party supplier, continuously synchronised. The bugs here are not in the fetch, they are in the clock.
tail -f ~/notes
Writing
Concepts from the proof, explained in my own words with code from my own systems.
Two systems, one truth: bidirectional sync with an external ERP
A retailer already ran their business on an external ERP. Building a customer platform in front of it means deciding, per entity, which system is allowed to be right.
When the client controls the layout, the transport is a product decision
A retail client wanted to rearrange their storefront without filing a ticket. That single requirement is what made GraphQL correct and REST wrong.