Based on my research, here are some verified facts about Drevitalize 410:
: It generates a specific sequence of high and low signals around damaged areas to try and "wake up" the magnetic media.
Elias's ECHO matured into a companion that asked more than it answered. "Why did you choose this path?" it would ask Mara after a difficult decision. She found herself answering, not because the machine needed consolation, but because articulating ethical reasoning sharpened it for everyone else.
