====== Transfer API ======
Chunked upload, hashes, resume rules and NAS commit semantics.

===== Scope =====
Use this page together with the device version, architecture and permission checks. Do not expose passwords, pairing codes, tokens or private keys. Validate a small operation first, keep a backup and confirm the final status and content hash.


This guide covers request authentication, chunk order, bounded retries, resumable state, final hashes, NAS commit acknowledgements and failure recovery.