SSI Index v4.23.0 — Companion snapshot for "Operationalising the Navigating Adaptation–Maladaptation continuum at fleet scale: a 725,462-substation empirical validation across 39 OECD countries closing the compound-event infrastructure gap"

Companion reproducibility snapshot for the P1 manuscript submitted to Climate Risk Management (Elsevier), 27 July 2026. Contents: manuscript v8 (post CP.22–CP.25 body-update pass) + supplementary materials v7 + 10 main-text figures + 2 supplementary figures + reproducibility environment (pip + conda + Docker) + v4.23 empirical anchors + cover letter + author declaration. Fully reproducible in ~15 minutes on 8-core / 32 GB commodity hardware. Related deposit: P4 Energy Economics companion snapshot at doi:10.5281/zenodo.21620260 (Bérard 2026c). Licences: CC BY 4.0 for data + MIT for code (see LICENSE-DATA.md and LICENSE-CODE.md in the archive).