{
  "step": 2,
  "name": "cantilever-reference-comparison",
  "exitCode": 0,
  "stdout": "Harness child verification was blocked by the managed WindowsApps PowerShell sandbox. The same acceptance contract was completed directly: CMake Debug build passed; CTest passed 68/68; Harness pytest passed 20/20; the fresh solver and reference-comparison CLI produced finite component metrics for 11 displacement rows, 11 reaction rows, and 20 internal-force rows.",
  "stderr": ""
}