the obsidian proxy
This would fulfill the Cloaking requirement by making Elias appear to be digitally dead or compromised beyond repair.
Crucially, instead of neutralizing the BDF, the RPO would inject a "Persistence Signal"—a customized, low-power frequency pattern designed to keep the nanomachine swarm active and stable, preventing biological shutdown, but masking its true signal signature, making it invisible to all known Syndicate scanners.
With the lethal core disabled and the cloaking mechanism enhanced, Julian compiled the revised program. The new executable was named ECHO-RPO.