{
  "project": "FESA Structural Solver",
  "phase": "property-model-foundation",
  "steps": [
    {
      "step": 0,
      "name": "property-base-contract",
      "status": "completed",
      "summary": "Created the property model foundation implementation plan with runtime Property ownership rules and HDF5 skeleton limits."
    },
    {
      "step": 1,
      "name": "property-base-interface",
      "status": "completed",
      "summary": "Added PropertyKind and abstract Property base with polymorphic ownership tests."
    },
    {
      "step": 2,
      "name": "shell-property-polymorphism",
      "status": "completed",
      "summary": "Made ShellProperty derive from Property while preserving material id and positive-thickness validation."
    },
    {
      "step": 3,
      "name": "domain-property-ownership",
      "status": "completed",
      "summary": "Migrated Domain property storage to std::unique_ptr<Property> with shell-property compatibility accessors and cross-reference validation."
    },
    {
      "step": 4,
      "name": "validation-report-handoff",
      "status": "completed",
      "summary": "Validated targeted CTest, workspace validation, script self-tests, and whitespace checks; updated project progress."
    }
  ]
}