G8DR1CH ~/services/platform-backends
Platform backends
Checkout and payment code tends to fail where money moves: a retried webhook, a duplicate charge, an order stuck between states. The studio designs these flows so every case has a defined outcome.
01 · take inThe current flows traced end to end, including every payment provider callback.
02 · buildExplicit state machines, idempotent webhook handling, refunds and expiry, each with its tests.
03 · hand overChanges merged through review, each with its proof, and notes for the next engineer.
sample · order and payment statesenlarge ↗