Reproducibility package for: "A universal master relation for static thin shells in the electrovacuum–Λ class"

This archive contains the source files, symbolic derivations, numerical verification scripts, and figure-generation code accompanying the manuscript "A universal master relation for static thin shells in the electrovacuum–Λ class." The package enables reproduction of the analytical and numerical results presented in the manuscript, including: symbolic derivations of the master relation and Euler formulation, numerical verification of the identities over randomly generated shell configurations, scripts used to generate the figures, manuscript source files and supporting material. The archive is intended to support transparency and reproducibility of the published work. It is provided for research purposes.