[
  {
    "message": "Artifact processing started.",
    "expected_artifact_path": "",
    "artifact_key": "artifact_001"
  },
  {
    "message": "Artifact validation failed: missing checksum",
    "expected_artifact_path": "/var/data/artifacts/unknown",
    "artifact_key": ""
  },
  {
    "message": "Unknown artifact encountered during sync",
    "expected_artifact_path": "",
    "artifact_key": ""
  },
  {
    "message": "Completed processing artifact logs successfully.",
    "expected_artifact_path": "/var/data/artifacts/final_report.json",
    "artifact_key": "artifact_999"
  }
]