{
  "project": "FESA Structural Solver",
  "phase": "analysis-model-objects",
  "steps": [
    {
      "step": 0,
      "name": "model-object-contract",
      "status": "completed",
      "summary": "Created analysis model object implementation plan with base-class contracts, exclusions, and TDD traceability."
    },
    {
      "step": 1,
      "name": "node-model-class",
      "status": "completed",
      "summary": "Added Node DOF count contract and tests while keeping Node free of solver state."
    },
    {
      "step": 2,
      "name": "element-base-interface",
      "status": "completed",
      "summary": "Added identity-only Element base interface and model-object CTest target."
    },
    {
      "step": 3,
      "name": "mitc4-element-model",
      "status": "completed",
      "summary": "Added MITC4 element model skeleton with four-node connectivity and 24-DOF count tests."
    },
    {
      "step": 4,
      "name": "material-base-interface",
      "status": "completed",
      "summary": "Added Material base and LinearElasticMaterial model object with ownership tests."
    },
    {
      "step": 5,
      "name": "property-section-model",
      "status": "completed",
      "summary": "Added ShellProperty model object with positive-thickness validation tests."
    },
    {
      "step": 6,
      "name": "load-base-interface",
      "status": "completed",
      "summary": "Added Load base and NodalLoad model object with polymorphic access tests."
    },
    {
      "step": 7,
      "name": "boundary-base-interface",
      "status": "completed",
      "summary": "Added BoundaryCondition base and SinglePointConstraint model object with polymorphic access tests."
    },
    {
      "step": 8,
      "name": "domain-polymorphic-ownership",
      "status": "completed",
      "summary": "Extended Domain with unique_ptr ownership APIs for element, material, load, and boundary model objects while preserving existing definition APIs."
    },
    {
      "step": 9,
      "name": "legacy-definition-compatibility",
      "status": "completed",
      "summary": "Documented compatibility between core definition DTOs and new runtime model object ownership APIs."
    },
    {
      "step": 10,
      "name": "validation-report-handoff",
      "status": "completed",
      "summary": "Recorded build/test evidence, updated project progress, and marked the phase completed."
    }
  ]
}