Mp1-avl1506t-fw-zzq V1.0 -

On the day of the update, the station’s AI flagged the file as clean. The hash matched. The signature was verified. The system installed at 14:03 GMT.

To the logistics officer on Ganymede Station, it looked like a standard firmware update for an obsolete atmospheric valve linkage. MP1 (Main Processor, Unit 1). AVL1506T (Atmospheric Valve, Linear, 150mm throw, Titanium alloy). FW-ZZQ (Firmware, Zero-Zone Quarantine protocol). V1.0 (First revision). Boring. Routine. He filed it under “low priority.” mp1-avl1506t-fw-zzq v1.0

Somewhere in the actuator’s memory, a tiny, silent loop played Zara’s heartbeat. Forever. And the colony never lost another person to a lagging valve again. On the day of the update, the station’s