Ledger and fulfilment never seated
- Misfit found
- Nightly reconciliation between order, inventory and finance APIs produced silent drift; operators patched rows by hand under peak load.
- Adjustment method
- Event-backed systems integration with idempotent handlers, schema contracts and a single ownership plane.
- Closure verified
- Replay drills cleared a thirty-day backlog without manual edits; error budgets held through peak load.
- Contact reference
- INT-447 · verified fit map, London delivery desk