What was computed
p_mag 115/279/358 MPa @17/26.49/30T; Lame t_req 0.16/0.48/0.71 m vs 667 MPa allow; FEA 0.66x = stress ratio PASS, consistent
Reproduce this
# Reproduce BU-L1-A2 against the frozen record pip install kronos-toolkit # github.com/KronosFE/kronos-toolkit python -c "from kronos_toolkit.verify import run_regression; run_regression()" # BU-L1-A2 is anchored in the 2026-08-27 freeze spine (verdict: reproduced).