It grew warm.
But the oldest engineer, a woman who remembered writing code by candlelight, saw the faint, warm stain on the server casing. She smiled, touched it, and whispered, “Good bean.”
Machines whirred back to life. Screens blinked on. The data center was saved.
From that night on, whenever a system was about to fail, a tiny, unnoticed line of code would quietly pulse—a Lightbean in the dark—waiting to guide someone home.