{
  "schema": "tnfr.cleanup-recovery.v1",
  "date": "2026-10-07",
  "scope": "Remove obsolete mandatory-dependency fallback blocks and guards in physics; retain module attributes and optional dependency paths.",
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  "replacement": "Direct NetworkX and NumPy imports follow the core dependencies in pyproject.toml. The internal ensure_numpy helper is imported from its existing mandatory backend owner.",
  "preserved": "No whole module, conditional proof, frozen protocol, source archive or evaluated response was retired or regenerated. Pulse definitions were relocated unchanged with compatible old imports; resistance geometry is reused only within each verifier call."
}