Came home to find Pi with Qwen3.627B had run rm -rf .....

on the build cache because it had run my computer out of disk space. So I assign my coding agent (pi) a task, and then leave the house. I come back an hour later to see a couple messages containing `rm -rf` and go .....ohhh noooo. But it had done so because the disk was full and it realised that th