It began as a routine notice: a soft amber icon pulsing in the corner of the living room display, like a firefly caught beneath glass. The household had come to trust that glow as a benign thing—alerts for calendar updates, weather nudges, the occasional reminder to reorder the filter. But this one was different: terse, cryptic, stamped with the model string everyone called in shorthand, T.vst29.03. Below the string, a single line: Firmware Upgrade Available.