What was computed
FINDING (not contradiction): black-start needs ~340 MWe external; islanded steady-state closes at +104 MWe net — filed as design datum
Reproduce this
# Reproduce AG-L1-A1 against the frozen record pip install kronos-toolkit # github.com/KronosFE/kronos-toolkit python -c "from kronos_toolkit.verify import run_regression; run_regression()" # AG-L1-A1 is anchored in the 2026-08-27 freeze spine (verdict: reproduced).