{
  "reason": "Archive copies and directory rename completed, but local candidate-manifest variable seal shadowed seal() and prevented the final artifact index. Error cleanup also referred to already-renamed staging directory. No archived payload was lost. Documentation updates subsequently completed; attempted finalize refused the absent artifact index.",
  "copied_payloads_verified": 78,
  "production_inputs_unchanged": true,
  "original_failed_helper_preserved": "archive.py",
  "correction": "Rename sealing function to seal_archive and check staging exists before error cleanup. Validate every copied payload before recovering initial seal; ordinary finalization independently verifies post-suite documentation delta and preservation.",
  "native_or_test_failure": false
}