{
  "project": "FESA",
  "phase": "equation-and-linear-solve",
  "steps": [
    {
      "step": 0,
      "name": "symmetric-csr-assembly",
      "status": "completed",
      "started_at": "2026-07-31T15:19:35+0900",
      "summary": "Added upper-triangle symmetric CSR with every-row diagonals and deterministic serial Beam stiffness/load assembly with stable floating-point merge tests.",
      "completed_at": "2026-07-31T15:45:02+0900"
    },
    {
      "step": 1,
      "name": "essential-bc-elimination",
      "status": "completed",
      "started_at": "2026-07-31T15:45:03+0900",
      "summary": "Added DofManager-owned essential BC elimination with zero/nonzero RHS shifts, all-constrained handling, full reconstruction, and finite original-system reaction recovery.",
      "completed_at": "2026-07-31T16:00:44+0900"
    },
    {
      "step": 2,
      "name": "pardiso-linear-solver",
      "status": "completed",
      "started_at": "2026-07-31T16:00:45+0900",
      "summary": "Added a noncopyable LP64 MKL PARDISO SPD solver with explicit diagnostic-aware RAII release, CSR validation, residual diagnostics, and regression tests.",
      "completed_at": "2026-07-31T16:16:28+0900"
    }
  ],
  "created_at": "2026-07-31T15:19:35+0900",
  "completed_at": "2026-07-31T16:16:28+0900"
}