- [x] 2026-05-14: Ran focused validation for milestone 2/3 with
`set -o pipefail`, including
`uv run pytest tests/test_guest_bios.py tests/test_guest_bios_properties.py -q`,
`make check-fmt`, `make typecheck`,
`make lint`, `make markdownlint`, and `make nixie`. Ran
`coderabbit review --agent`; it completed with zero findings.