Notes on systems that reported success and were wrong, written while fixing them.
A face detector returned 46 faces across 40 photographs and exited 0. At the threshold I had chosen it found nothing at all in eighty photographs of people. On failure modes where an empty result is indistinguishable from a correct one.
Reportedfaces found: 46 across 40 photos
True0 of 80 photographs of people, at the threshold I had chosen.
Signal Desktop was deregistered by the server, which cleared its credentials and made every network screen useless. The official fix, relinking, wipes the local database. How the three layers of encryption fit together, the CBC padding detail that silently truncates files, and why a count of missing files was not information.
Reportednine files missing
TrueNo pictures lost. Nine long messages shortened.