Sometimes you can't even rely on harness not allowing ai to access certain files. "Oh, user doesn't want me to use `read_file` on .env? Well how about I run `ca

Sometimes you can't even rely on harness not allowing ai to access certain files. "Oh, user doesn't want me to use `read_file` on .env? Well how about I run `cat .env` then?" That's scary. Really should run it under different user with carefully assigned permissions.