{
  "project": "FESA Structural Solver",
  "phase": "shell-surface-pressure-load",
  "steps": [
    {
      "step": 1,
      "name": "map-pressure-input-contract",
      "status": "completed",
      "started_at": "2026-09-01T11:27:48+0900",
      "summary": "Mapped assembly element surfaces and additive DSLOAD P records into immutable Domain/Step views with deterministic facet identity.",
      "completed_at": "2026-09-01T12:34:29+0900"
    },
    {
      "step": 2,
      "name": "reject-invalid-pressure-input",
      "status": "completed",
      "started_at": "2026-09-01T12:34:30+0900",
      "summary": "Hardened shell pressure input rejection, target diagnostics, duplicate handling, and atomic mapping coverage.",
      "completed_at": "2026-09-01T13:11:27+0900"
    },
    {
      "step": 3,
      "name": "evaluate-shell-pressure-kernel",
      "status": "completed",
      "started_at": "2026-09-01T14:05:23+0900",
      "summary": "Added a validated reference/current four-node pressure evaluator with exact follower tangent and focused kernel tests.",
      "completed_at": "2026-09-01T14:31:41+0900"
    },
    {
      "step": 4,
      "name": "integrate-linear-shell-pressure",
      "status": "completed",
      "started_at": "2026-09-01T14:31:41+0900",
      "summary": "Assembled deterministic reference-configuration shell pressure into the linear full-space load path with reaction, schema, and CLI preservation coverage.",
      "completed_at": "2026-09-01T15:03:28+0900"
    },
    {
      "step": 5,
      "name": "integrate-nonlinear-follower-pressure",
      "status": "completed",
      "started_at": "2026-09-01T15:03:28+0900",
      "summary": "Integrated current-configuration follower pressure force and exact external tangent into nonlinear full-Newton trial assembly with schema-1 regression coverage.",
      "completed_at": "2026-09-01T15:48:52+0900"
    },
    {
      "step": 6,
      "name": "compare-pressure-reference",
      "status": "completed",
      "started_at": "2026-09-01T15:48:52+0900",
      "summary": "Added deterministic schema-1 pressure-reference comparison with exact artifact checks, U blocking/UR warning-only projection, and common-tolerance coverage.",
      "completed_at": "2026-09-01T17:00:55+0900"
    },
    {
      "step": 7,
      "name": "verify-and-report-pressure-feature",
      "status": "completed",
      "started_at": "2026-09-01T17:00:55+0900",
      "summary": "Completed Gate 6 pressure reports with fresh MSVC focused validation, immutable artifact audit, FESA-only schema-1 comparison, and U/UR reference evidence.",
      "completed_at": "2026-09-01T17:43:56+0900"
    }
  ],
  "created_at": "2026-09-01T01:29:29+0900",
  "completed_at": "2026-09-01T17:43:57+0900"
}