I Built a Database Engine in Rust for My Robot and Learned That SQLite Was the Wrong Battle

The robot started ignoring me on a Tuesday afternoon. Not dramatically — no sparks, no screaming servos. It just... stopped responding to voice commands. The fix required rebooting the onboard computer, which meant walking across the shop floor, finding the reset button, and losing twenty minutes of calibration data I'd spent all morning collecting. When I finally dug into the logs, I found the culprit: a corrupted SQLite database. The database was fine — SQLite doesn't corrupt easily. The probl