Mara made a third choice. She fed the update a parameter: "mirror-only." Let the update reconstruct profiles in a shadow environment, parallel to the live network, and notify any node that sent the name "Lea" with a single safe message: "Are you Lea? Reply: YES/NO." Simple, human, reversible.

The link remained on the dashboard, its letters now routine: https://h5.agent4u.vip/upd — a quiet doorway. Mara closed the night shift with a log entry, simple and human: "Lea confirmed. Extraction protocols initiated. Continued monitoring."

Mara had been the night lead for three months, ever since the old chief vanished into a stack of archived logs. She kept her headphones on, not for music but to muffle the building’s nervous settling. The URL had appeared in a terse encrypted message from an unknown sender two hours earlier: "H5 Agent4U VIP UPD — proceed at 03:07." No signature. No context. Only the link.