Pasted once, kept on this device. Phase A only —
Firebase Auth replaces it when Mode 2 ships.
Camera roll keeps the photo on your phone.
An in-app photo does not — iOS hands it to the page without saving
it to Photos.
Quick tag
Optional. The upload is already saved and Pass 1 will
classify it tonight either way. Skipping an attribute records nothing for
it — a guess is worse than a gap.