v2.16.1

Fixes

Config Sync — correct passphrase prompt on restore / new machine (#31)

Restoring a synced config snapshot on a brand-new machine no longer mis-prompts you to set a new passphrase. The prompt now correctly shows "Enter Sync Passphrase" for restores (and any device that already has a passphrase), reserving the type-it-twice "Set Sync Passphrase" flow for the genuine first push to an account with zero snapshots.

Previously the prompt keyed off the local probe file, so a fresh machine (no probe) was asked to create a new passphrase — which could never decrypt an existing snapshot, surfacing as a confusing "wrong passphrase / encryption error" even with the correct passphrase.

Crypto is unchanged; cross-machine decryption was always correct given the right passphrase.