A cross-layer workflow passes unit tests but breaks when client, API, and persistence state arrive in a different order. The affected area is BFF aggregation.
Repair the BFF aggregation state synchronization implementation so it accepts compatible server updates and surfaces version conflicts without losing local intent.
Evidence
- Affected surface: Full-stack backend focus / BFF aggregation.
- Observed failure family: reconcile optimistic state.
- Scope policy: authorized must equal true.