{
  "project": "FESA",
  "phase": "1-linear-static-mitc4",
  "steps": [
    {
      "step": 0,
      "name": "build-test-harness",
      "status": "completed",
      "summary": "Added CMake/CTest build harness and wired validate_workspace.py to configure, build, and run tests."
    },
    {
      "step": 1,
      "name": "core-types-diagnostics",
      "status": "completed",
      "summary": "Added int64/double core aliases, DOF mapping, diagnostics, and tests."
    },
    {
      "step": 2,
      "name": "domain-model",
      "status": "completed",
      "summary": "Added Phase 1 Domain entities for nodes, MITC4 elements, sets, materials, shell sections, loads, boundaries, and steps."
    },
    {
      "step": 3,
      "name": "parser-foundation",
      "status": "completed",
      "summary": "Added Abaqus keyword parsing foundation with diagnostics and exact keyword dispatch."
    },
    {
      "step": 4,
      "name": "parser-phase1-subset",
      "status": "completed",
      "summary": "Implemented Phase 1 Abaqus subset parsing plus explicit unsupported-feature rejection tests."
    },
    {
      "step": 5,
      "name": "domain-validation-diagnostics",
      "status": "completed",
      "summary": "Added Domain validation for missing references, properties, materials, targets, and singular-prone states."
    },
    {
      "step": 6,
      "name": "analysis-model-dof-manager",
      "status": "completed",
      "summary": "Added six-DOF DofManager with constrained/free partitioning, equation numbering, and full-vector reconstruction."
    },
    {
      "step": 7,
      "name": "math-solver-adapters",
      "status": "completed",
      "summary": "Added dense test matrix and deterministic Gaussian solver adapter with singular diagnostics."
    },
    {
      "step": 8,
      "name": "results-writer-minimal",
      "status": "completed",
      "summary": "Added in-memory step/frame/field results for mandatory nodal U and RF outputs."
    },
    {
      "step": 9,
      "name": "reference-displacement-comparator",
      "status": "completed",
      "summary": "Added Abaqus displacement CSV loader and node-id-based comparator with tolerance diagnostics."
    },
    {
      "step": 10,
      "name": "mitc4-formulation-closure",
      "status": "completed",
      "summary": "Closed the Phase 1 MITC4 baseline decisions for tying points, local basis, integration, drilling scale, and U/RF output scope."
    },
    {
      "step": 11,
      "name": "mitc4-element-baseline",
      "status": "completed",
      "summary": "Implemented baseline MITC4 stiffness kernel with shape functions, MITC shear interpolation, local basis, and drilling stabilization tests."
    },
    {
      "step": 12,
      "name": "assembly-reaction-recovery",
      "status": "completed",
      "summary": "Added full-system assembly and RF recovery path using K_full * U_full - F_full."
    },
    {
      "step": 13,
      "name": "linear-static-analysis-path",
      "status": "completed",
      "summary": "Added LinearStaticAnalysis path that assembles, solves, reconstructs full U, recovers RF, and writes results."
    },
    {
      "step": 14,
      "name": "stored-reference-regression",
      "status": "blocked",
      "blocked_reason": "No Phase 1-compatible Abaqus TYPE=S4 reference input with matching *_displacements.csv is available. Existing quad_01 input contains S4R, Part/Assembly/Instance, Density, and NLGEOM=YES and is tested only as unsupported provenance/comparator format."
    },
    {
      "step": 15,
      "name": "phase1-evaluator-closeout",
      "status": "pending"
    }
  ]
}