{
  "phases": [
    {
      "dir": "1-linear-static-mitc4",
      "status": "blocked",
      "blocked_reason": "P1-15 stored-reference regression needs at least one Phase 1-compatible Abaqus TYPE=S4 input and matching displacement CSV; quad_01 remains S4R/NLGEOM provenance only."
    }
  ]
}