{
  "evidenceId": "phoenix-ember-server-replacement-2026-08-26",
  "recordedAt": "2026-08-26",
  "claim": "The post-idiom replacement matched the retained pre-refactor behaviour at every observation point in the final census.",
  "boundary": "This establishes equivalence across the recorded corpus. It does not establish that every possible behaviour was observed or that preserved legacy behaviour was itself correct.",
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  "observations": 2510,
  "identical": 2510,
  "divergent": 0,
  "crashed": 0,
  "unexplainedOneSided": 0,
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}