Two-Body Mass Homogeneity Python Test ZIP
Reviewer package version: 1.0.1-reviewer-ready
Built/polished: 2026-08-25

Packaging-only update:
- Expanded README_FIRST with first-time venv setup, dependency installation, --verify, reference, custom/fresh-input, interactive-menu, and --help examples.
- Scientific calculations and preserved historical research archives are unchanged.
- Added the previously omitted SciPy dependency required by the preserved H2-089 numerical solver.

Previous package note:
Frostyverse Two-Body Python Test 1.0
Built from preserved H2-089 archive.
