{
  "schemaVersion": 1,
  "id": "test_mql_8-progressive-v2",
  "description": "Primary generic-solver regression target for the renamed 0.01 s-grid authoritative inputs, with a short smoke gate before staged extension.",
  "source": {
    "path": "tests/data/test-mql-8.xml",
    "sha256": "170463d65d074da01f0f9e9dab730b3815c94c1cc80b5190ec2e3fe623da74d3",
    "bytes": 101013,
    "xmlIsAuthoritative": true,
    "companionProject": {
      "path": "tests/data/test-mql-8.json",
      "sha256": "258c50ee4850baa72fb7c2cc24536d0a631fc6a7f1fa6cedb7b6eea7c857cbaa",
      "bytes": 264675,
      "executionInput": false
    },
    "simulation": {
      "tStart": 0.0,
      "tStop": 0.2,
      "sampleStep": 0.01,
      "maxStep": 0.01,
      "method": "BDF"
    }
  },
  "historicalReports": [
    {
      "path": "tests/baselines/simulation/test_mql_8/runs/2026-08-17-solver-only-v1.json",
      "sha256": "ed0e8514c5fc083af6d403270eb0617fc20672ebb96460c355757d28d7059d0f",
      "sourceXmlSha256": "42e2d6277d39bd5990cb322243bec8d71c40ff0696b440db3c8623f2ab15c2ee",
      "status": "historicalOnly",
      "compatibleWithCurrentSource": false,
      "reason": "This report used the former spaced filename and 0.002 s sampleStep/maxStep. It is retained only as historical performance evidence and must never seed a v2 golden."
    },
    {
      "path": "tests/baselines/simulation/test_mql_8/runs/2026-08-17-extension-decision.json",
      "sha256": "d067bab69418ec21a11481f4a2c1fcb1ba1fc9528faeeb163ea5f466c2e2987f",
      "sourceXmlSha256": "42e2d6277d39bd5990cb322243bec8d71c40ff0696b440db3c8623f2ab15c2ee",
      "status": "historicalOnly",
      "compatibleWithCurrentSource": false,
      "reason": "This deferred-stage decision was calculated from the former 0.002 s source report and is not a runtime prediction for the renamed v2 source."
    }
  ],
  "structure": {
    "componentCount": 152,
    "connectionCount": 174,
    "dynamicComponentCount": 54,
    "stateCount": 124,
    "resultVariableCount": 1716,
    "pressureFlowUnknownCount": 760,
    "pressureFlowEquationCount": 760,
    "pressureFlowIsSquare": true,
    "logicalEffortCoordinateCount": 112,
    "eliminatedEffortAliasCount": 320,
    "canonicalCoordinateCount": 440,
    "compatibilityScatterCount": 760,
    "jacobianNonzeroCount": 3296,
    "jacobianColorGroupCount": 52,
    "hasMechanicalStateEvents": true
  },
  "sequence": [
    "0.01s-smoke",
    "0.2s",
    "1s",
    "5s",
    "10s"
  ],
  "lanes": {
    "solver-only": {
      "description": "Algorithm iteration and staged-extension lane: same XML and method, with an in-memory 0.02 s output grid and 0.05 s maximum step; signal breakpoints remain explicit solver segments.",
      "samplingMode": "fixed",
      "sampleStep": 0.02,
      "maxStepMode": "fixed",
      "maxStep": 0.05,
      "instrumentationMode": "standard",
      "productionEquivalentOutput": false
    },
    "production": {
      "description": "Acceptance lane: changes only tStop and preserves the source 0.01 s output and internal-step grid.",
      "samplingMode": "source",
      "maxStepMode": "source",
      "instrumentationMode": "standard",
      "productionEquivalentOutput": true
    }
  },
  "variants": {
    "0.01s-smoke": {
      "stopTime": 0.01,
      "softTimeoutSeconds": 60.0,
      "hardTimeoutSeconds": 90.0,
      "useForRuntimePrediction": false,
      "checkpointTimes": [
        0.0,
        0.01
      ],
      "expectedSignalEventTimes": []
    },
    "0.2s": {
      "stopTime": 0.2,
      "softTimeoutSeconds": 300.0,
      "hardTimeoutSeconds": 360.0,
      "checkpointTimes": [
        0.0,
        0.04,
        0.2
      ],
      "expectedSignalEventTimes": [
        0.04
      ],
      "expectedMechanicalTransitionTimes": [],
      "goldens": {
        "production": {
          "path": "tests/baselines/simulation/test_mql_8/goldens/production-0.2s-v1.json",
          "sha256": "99fa7b3631a89f59f86551847175f3701a1567d8d0bd10d87545734f17515d72"
        }
      }
    },
    "1s": {
      "stopTime": 1.0,
      "softTimeoutSeconds": 1200.0,
      "hardTimeoutSeconds": 1260.0,
      "checkpointTimes": [
        0.0,
        0.04,
        0.8,
        1.0
      ],
      "expectedSignalEventTimes": [
        0.04,
        0.8
      ]
    },
    "5s": {
      "stopTime": 5.0,
      "softTimeoutSeconds": 2700.0,
      "hardTimeoutSeconds": 2760.0,
      "checkpointTimes": [
        0.0,
        0.04,
        0.8,
        1.0,
        2.0,
        5.0
      ],
      "expectedSignalEventTimes": [
        0.04,
        0.8
      ]
    },
    "10s": {
      "stopTime": 10.0,
      "softTimeoutSeconds": 5400.0,
      "hardTimeoutSeconds": 5460.0,
      "checkpointTimes": [
        0.0,
        0.04,
        0.8,
        1.0,
        2.0,
        5.0,
        10.0
      ],
      "expectedSignalEventTimes": [
        0.04,
        0.8
      ]
    }
  },
  "correctness": {
    "status": "partial",
    "maximumScaledResidual": 1e-7,
    "requireFiniteSeries": true,
    "requireStrictlyIncreasingTimes": true,
    "physicalProjectionCategories": [
      "state"
    ],
    "stateRelativeTolerance": 0.0002,
    "stateAbsoluteTolerance": 1e-9,
    "checkpointTimeAbsoluteToleranceSeconds": 1e-12,
    "eventTimeAbsoluteToleranceSeconds": 0.00002,
    "signalEventTimeAbsoluteToleranceSeconds": 1e-12,
    "mechanicalTransitionTimesAvailable": true,
    "note": "Physical state checkpoints/events and the value-free output-shape contract are separate. The production 0.2 s variant has an approved state golden; longer horizons and critical algebraic projections remain pending."
  },
  "execution": {
    "causalExecutorV2Default": true,
    "environment": {
      "SIMULATION_CAUSAL_EXECUTOR_V2": "1",
      "SIMULATION_CAUSAL_COORDINATE_KERNEL": "1",
      "SIMULATION_CAUSAL_FAST_PATH": "1",
      "SIMULATION_ODE_JACOBIAN_MODE": "scipy",
      "SIMULATIONAPP_PROPERTY_CACHE": "on"
    },
    "predictionSafetyFactor": 1.5,
    "terminationGraceSeconds": 10.0,
    "deferAfterFailureOrTimeout": true,
    "deferWhenPredictedWallExceedsSoftTimeout": true,
    "longTestEnvironmentVariable": "RUN_TEST_MQL_8_LONG_REGRESSION"
  }
}