Download complete. 2012–2020. End of session.

The hardhat’s LED flickered once, then glowed a steady, calm orange.

He scrolled to the bottom of the list.

The hardhat wasn't pretty. It was scuffed, sun-bleached, and dotted with a constellation of pitted scars from welding sparks. But glued to the front—crooked, practical, and utterly vital—was a small, waterproof LED bar.

That one was three rapid flashes, a pause, then three more. He’d coded it the night after the South Span gave way. He wasn’t on that crew. But four men were. He never used that pattern again. He never deleted it.

He typed:

He remembered that winter. Twenty below, wind like a razor. He’d set the LED to blink an SOS pattern, not for rescue, but just to remind himself he was still alive up there.

Eight bits. That was all the space left in the hardhat’s ancient microcontroller. No new patterns. No fancy gradients. Just eight 1s and 0s.