Offline-first phlebotomy in LabFlow uses Dexie/IndexedDB for local data, a FIFO mutation queue with idempotency keys for replay, and server-authoritative conflict resolution. We do not promise true background sync.
Engineering notes on offline-first phlebotomy in LabFlow: queueing, conflict resolution, local SQL, battery and storage, and the failure modes you will hit in the field.
Open the full LabFlow page in a JavaScript-enabled browser to see the interactive version.