Alex killed the Wi-Fi on the D7. The vacuum beeped once, then went dark.

That’s when he found the forum.

Until he pulled the logs.

The vacuum beeped twice—a sound Alex had never heard before. He could have sworn it sounded like a laugh.

“Neato Custom Firmware” was a ghost ship. A single thread, buried three pages deep on an old robotics hacker board. The last post was from 2019. The first line read: “Stock firmware sends telemetry to servers you don’t own. This replaces the brain. No cloud. No phoning home. Just you and your little robot.”