fetchAppState
Fetch the previously backed-up host app state, or null if none / no coordinator / unavailable. Decryption is seed-derived (no biometric), so a freshly-signed-in device recovers its app state silently.
Fetch the previously backed-up host app state, or null if none / no coordinator / unavailable. Decryption is seed-derived (no biometric), so a freshly-signed-in device recovers its app state silently.