{
  "schema": "MAKNOW_ARC016_LAB_CASES_v1",
  "cases": [
    {
      "id": "baseline_partial",
      "cost_period": "2026-08",
      "currency": "MU",
      "lines": [
        {
          "source_line_ref": "bill:001",
          "category": "Inference",
          "classification": "DIRECT",
          "effective_cost": 600.0,
          "owner": "Product-A",
          "target": "Product-A",
          "evidence_ref": "ev:001"
        },
        {
          "source_line_ref": "bill:002",
          "category": "Storage",
          "classification": "DIRECT",
          "effective_cost": 300.0,
          "owner": "Product-B",
          "target": "Product-B",
          "evidence_ref": "ev:002"
        },
        {
          "source_line_ref": "bill:003",
          "category": "Observability",
          "classification": "SHARED",
          "effective_cost": 300.0,
          "owner": "Platform",
          "target": null,
          "driver": {
            "method": "USAGE_PROPORTIONAL",
            "quantities": {
              "Product-A": 70.0,
              "Product-B": 30.0
            },
            "approved": true,
            "basis_version": "v1",
            "pool_version": "v1"
          },
          "evidence_ref": "ev:003"
        },
        {
          "source_line_ref": "bill:004",
          "category": "Support",
          "classification": "SHARED",
          "effective_cost": 200.0,
          "owner": "Platform",
          "target": null,
          "driver": {
            "method": "SPEND_PROPORTIONAL",
            "quantities": {
              "Product-A": 60.0,
              "Product-B": 40.0
            },
            "approved": true,
            "basis_version": "v1",
            "pool_version": "v1"
          },
          "evidence_ref": "ev:004"
        },
        {
          "source_line_ref": "bill:005",
          "category": "Security",
          "classification": "DIRECT",
          "effective_cost": 150.0,
          "owner": "Central",
          "target": "Central",
          "evidence_ref": "ev:005"
        },
        {
          "source_line_ref": "bill:006",
          "category": "Unknown",
          "classification": "UNRESOLVED",
          "effective_cost": 100.0,
          "owner": null,
          "target": null,
          "evidence_ref": "ev:006"
        }
      ],
      "reconciliation_locked": false,
      "snapshot_source_total": null,
      "snapshot_allocated_total": null
    },
    {
      "id": "fully_reconciled_after_trace",
      "cost_period": "2026-08",
      "currency": "MU",
      "lines": [
        {
          "source_line_ref": "bill:001",
          "category": "Inference",
          "classification": "DIRECT",
          "effective_cost": 600.0,
          "owner": "Product-A",
          "target": "Product-A",
          "evidence_ref": "ev:001"
        },
        {
          "source_line_ref": "bill:002",
          "category": "Storage",
          "classification": "DIRECT",
          "effective_cost": 300.0,
          "owner": "Product-B",
          "target": "Product-B",
          "evidence_ref": "ev:002"
        },
        {
          "source_line_ref": "bill:003",
          "category": "Observability",
          "classification": "SHARED",
          "effective_cost": 300.0,
          "owner": "Platform",
          "target": null,
          "driver": {
            "method": "USAGE_PROPORTIONAL",
            "quantities": {
              "Product-A": 70.0,
              "Product-B": 30.0
            },
            "approved": true,
            "basis_version": "v1",
            "pool_version": "v1"
          },
          "evidence_ref": "ev:003"
        },
        {
          "source_line_ref": "bill:004",
          "category": "Support",
          "classification": "SHARED",
          "effective_cost": 200.0,
          "owner": "Platform",
          "target": null,
          "driver": {
            "method": "SPEND_PROPORTIONAL",
            "quantities": {
              "Product-A": 60.0,
              "Product-B": 40.0
            },
            "approved": true,
            "basis_version": "v1",
            "pool_version": "v1"
          },
          "evidence_ref": "ev:004"
        },
        {
          "source_line_ref": "bill:005",
          "category": "Security",
          "classification": "DIRECT",
          "effective_cost": 150.0,
          "owner": "Central",
          "target": "Central",
          "evidence_ref": "ev:005"
        },
        {
          "source_line_ref": "bill:006",
          "category": "SharedToolTrace",
          "classification": "DIRECT",
          "effective_cost": 100.0,
          "owner": "Product-B",
          "target": "Product-B",
          "evidence_ref": "ev:006"
        }
      ],
      "reconciliation_locked": false,
      "snapshot_source_total": null,
      "snapshot_allocated_total": null
    },
    {
      "id": "unapproved_equal_split",
      "cost_period": "2026-08",
      "currency": "MU",
      "lines": [
        {
          "source_line_ref": "bill:001",
          "category": "Inference",
          "classification": "DIRECT",
          "effective_cost": 600.0,
          "owner": "Product-A",
          "target": "Product-A",
          "evidence_ref": "ev:001"
        },
        {
          "source_line_ref": "bill:002",
          "category": "Storage",
          "classification": "DIRECT",
          "effective_cost": 300.0,
          "owner": "Product-B",
          "target": "Product-B",
          "evidence_ref": "ev:002"
        },
        {
          "source_line_ref": "bill:003",
          "category": "Observability",
          "classification": "SHARED",
          "effective_cost": 300.0,
          "owner": "Platform",
          "target": null,
          "driver": {
            "method": "EQUAL_SPLIT",
            "quantities": {
              "Product-A": 1.0,
              "Product-B": 1.0
            },
            "approved": false,
            "basis_version": "v2",
            "pool_version": "v2"
          },
          "evidence_ref": "ev:003"
        },
        {
          "source_line_ref": "bill:004",
          "category": "Support",
          "classification": "SHARED",
          "effective_cost": 200.0,
          "owner": "Platform",
          "target": null,
          "driver": {
            "method": "SPEND_PROPORTIONAL",
            "quantities": {
              "Product-A": 60.0,
              "Product-B": 40.0
            },
            "approved": true,
            "basis_version": "v1",
            "pool_version": "v1"
          },
          "evidence_ref": "ev:004"
        },
        {
          "source_line_ref": "bill:005",
          "category": "Security",
          "classification": "DIRECT",
          "effective_cost": 150.0,
          "owner": "Central",
          "target": "Central",
          "evidence_ref": "ev:005"
        },
        {
          "source_line_ref": "bill:006",
          "category": "Unknown",
          "classification": "UNRESOLVED",
          "effective_cost": 100.0,
          "owner": null,
          "target": null,
          "evidence_ref": "ev:006"
        }
      ],
      "reconciliation_locked": false,
      "snapshot_source_total": null,
      "snapshot_allocated_total": null
    },
    {
      "id": "late_billing_adjustment",
      "cost_period": "2026-08",
      "currency": "MU",
      "lines": [
        {
          "source_line_ref": "bill:001",
          "category": "Inference",
          "classification": "DIRECT",
          "effective_cost": 600.0,
          "owner": "Product-A",
          "target": "Product-A",
          "evidence_ref": "ev:001"
        },
        {
          "source_line_ref": "bill:002",
          "category": "Storage",
          "classification": "DIRECT",
          "effective_cost": 300.0,
          "owner": "Product-B",
          "target": "Product-B",
          "evidence_ref": "ev:002"
        },
        {
          "source_line_ref": "bill:003",
          "category": "Observability",
          "classification": "SHARED",
          "effective_cost": 380.0,
          "owner": "Platform",
          "target": null,
          "driver": {
            "method": "USAGE_PROPORTIONAL",
            "quantities": {
              "Product-A": 70.0,
              "Product-B": 30.0
            },
            "approved": true,
            "basis_version": "v1",
            "pool_version": "v1"
          },
          "evidence_ref": "ev:003",
          "adjustment_ref": "ADJ-80"
        },
        {
          "source_line_ref": "bill:004",
          "category": "Support",
          "classification": "SHARED",
          "effective_cost": 200.0,
          "owner": "Platform",
          "target": null,
          "driver": {
            "method": "SPEND_PROPORTIONAL",
            "quantities": {
              "Product-A": 60.0,
              "Product-B": 40.0
            },
            "approved": true,
            "basis_version": "v1",
            "pool_version": "v1"
          },
          "evidence_ref": "ev:004"
        },
        {
          "source_line_ref": "bill:005",
          "category": "Security",
          "classification": "DIRECT",
          "effective_cost": 150.0,
          "owner": "Central",
          "target": "Central",
          "evidence_ref": "ev:005"
        },
        {
          "source_line_ref": "bill:006",
          "category": "Unknown",
          "classification": "UNRESOLVED",
          "effective_cost": 100.0,
          "owner": null,
          "target": null,
          "evidence_ref": "ev:006"
        }
      ],
      "reconciliation_locked": true,
      "snapshot_source_total": 1650.0,
      "snapshot_allocated_total": 1550.0
    },
    {
      "id": "missing_direct_owner",
      "cost_period": "2026-08",
      "currency": "MU",
      "lines": [
        {
          "source_line_ref": "bill:001",
          "category": "Inference",
          "classification": "DIRECT",
          "effective_cost": 600.0,
          "owner": null,
          "target": "Product-A",
          "evidence_ref": "ev:001"
        },
        {
          "source_line_ref": "bill:002",
          "category": "Storage",
          "classification": "DIRECT",
          "effective_cost": 300.0,
          "owner": "Product-B",
          "target": "Product-B",
          "evidence_ref": "ev:002"
        },
        {
          "source_line_ref": "bill:003",
          "category": "Observability",
          "classification": "SHARED",
          "effective_cost": 300.0,
          "owner": "Platform",
          "target": null,
          "driver": {
            "method": "USAGE_PROPORTIONAL",
            "quantities": {
              "Product-A": 70.0,
              "Product-B": 30.0
            },
            "approved": true,
            "basis_version": "v1",
            "pool_version": "v1"
          },
          "evidence_ref": "ev:003"
        },
        {
          "source_line_ref": "bill:004",
          "category": "Support",
          "classification": "SHARED",
          "effective_cost": 200.0,
          "owner": "Platform",
          "target": null,
          "driver": {
            "method": "SPEND_PROPORTIONAL",
            "quantities": {
              "Product-A": 60.0,
              "Product-B": 40.0
            },
            "approved": true,
            "basis_version": "v1",
            "pool_version": "v1"
          },
          "evidence_ref": "ev:004"
        },
        {
          "source_line_ref": "bill:005",
          "category": "Security",
          "classification": "DIRECT",
          "effective_cost": 150.0,
          "owner": "Central",
          "target": "Central",
          "evidence_ref": "ev:005"
        },
        {
          "source_line_ref": "bill:006",
          "category": "Unknown",
          "classification": "UNRESOLVED",
          "effective_cost": 100.0,
          "owner": null,
          "target": null,
          "evidence_ref": "ev:006"
        }
      ],
      "reconciliation_locked": false,
      "snapshot_source_total": null,
      "snapshot_allocated_total": null
    },
    {
      "id": "missing_shared_driver_quantity",
      "cost_period": "2026-08",
      "currency": "MU",
      "lines": [
        {
          "source_line_ref": "bill:001",
          "category": "Inference",
          "classification": "DIRECT",
          "effective_cost": 600.0,
          "owner": "Product-A",
          "target": "Product-A",
          "evidence_ref": "ev:001"
        },
        {
          "source_line_ref": "bill:002",
          "category": "Storage",
          "classification": "DIRECT",
          "effective_cost": 300.0,
          "owner": "Product-B",
          "target": "Product-B",
          "evidence_ref": "ev:002"
        },
        {
          "source_line_ref": "bill:003",
          "category": "Observability",
          "classification": "SHARED",
          "effective_cost": 300.0,
          "owner": "Platform",
          "target": null,
          "driver": {
            "method": "USAGE_PROPORTIONAL",
            "quantities": {},
            "approved": true,
            "basis_version": "v1",
            "pool_version": "v1"
          },
          "evidence_ref": "ev:003"
        },
        {
          "source_line_ref": "bill:004",
          "category": "Support",
          "classification": "SHARED",
          "effective_cost": 200.0,
          "owner": "Platform",
          "target": null,
          "driver": {
            "method": "SPEND_PROPORTIONAL",
            "quantities": {
              "Product-A": 60.0,
              "Product-B": 40.0
            },
            "approved": true,
            "basis_version": "v1",
            "pool_version": "v1"
          },
          "evidence_ref": "ev:004"
        },
        {
          "source_line_ref": "bill:005",
          "category": "Security",
          "classification": "DIRECT",
          "effective_cost": 150.0,
          "owner": "Central",
          "target": "Central",
          "evidence_ref": "ev:005"
        },
        {
          "source_line_ref": "bill:006",
          "category": "Unknown",
          "classification": "UNRESOLVED",
          "effective_cost": 100.0,
          "owner": null,
          "target": null,
          "evidence_ref": "ev:006"
        }
      ],
      "reconciliation_locked": false,
      "snapshot_source_total": null,
      "snapshot_allocated_total": null
    },
    {
      "id": "stale_driver_after_pool_change",
      "cost_period": "2026-08",
      "currency": "MU",
      "lines": [
        {
          "source_line_ref": "bill:001",
          "category": "Inference",
          "classification": "DIRECT",
          "effective_cost": 600.0,
          "owner": "Product-A",
          "target": "Product-A",
          "evidence_ref": "ev:001"
        },
        {
          "source_line_ref": "bill:002",
          "category": "Storage",
          "classification": "DIRECT",
          "effective_cost": 300.0,
          "owner": "Product-B",
          "target": "Product-B",
          "evidence_ref": "ev:002"
        },
        {
          "source_line_ref": "bill:003",
          "category": "Observability",
          "classification": "SHARED",
          "effective_cost": 600.0,
          "owner": "Platform",
          "target": null,
          "driver": {
            "method": "USAGE_PROPORTIONAL",
            "quantities": {
              "Product-A": 70.0,
              "Product-B": 30.0
            },
            "approved": true,
            "basis_version": "v1",
            "pool_version": "v2"
          },
          "evidence_ref": "ev:003"
        },
        {
          "source_line_ref": "bill:004",
          "category": "Support",
          "classification": "SHARED",
          "effective_cost": 200.0,
          "owner": "Platform",
          "target": null,
          "driver": {
            "method": "SPEND_PROPORTIONAL",
            "quantities": {
              "Product-A": 60.0,
              "Product-B": 40.0
            },
            "approved": true,
            "basis_version": "v1",
            "pool_version": "v1"
          },
          "evidence_ref": "ev:004"
        },
        {
          "source_line_ref": "bill:005",
          "category": "Security",
          "classification": "DIRECT",
          "effective_cost": 150.0,
          "owner": "Central",
          "target": "Central",
          "evidence_ref": "ev:005"
        },
        {
          "source_line_ref": "bill:006",
          "category": "Unknown",
          "classification": "UNRESOLVED",
          "effective_cost": 100.0,
          "owner": null,
          "target": null,
          "evidence_ref": "ev:006"
        }
      ],
      "reconciliation_locked": false,
      "snapshot_source_total": null,
      "snapshot_allocated_total": null
    },
    {
      "id": "transfer_recomputed",
      "cost_period": "2026-08",
      "currency": "MU",
      "lines": [
        {
          "source_line_ref": "bill:001",
          "category": "Inference",
          "classification": "DIRECT",
          "effective_cost": 600.0,
          "owner": "Product-A",
          "target": "Product-A",
          "evidence_ref": "ev:001"
        },
        {
          "source_line_ref": "bill:002",
          "category": "Storage",
          "classification": "DIRECT",
          "effective_cost": 300.0,
          "owner": "Product-B",
          "target": "Product-B",
          "evidence_ref": "ev:002"
        },
        {
          "source_line_ref": "bill:003",
          "category": "Observability",
          "classification": "SHARED",
          "effective_cost": 340.0,
          "owner": "Platform",
          "target": null,
          "driver": {
            "method": "USAGE_PROPORTIONAL",
            "quantities": {
              "Product-A": 140.0,
              "Product-B": 30.0
            },
            "approved": true,
            "basis_version": "v2",
            "pool_version": "v2"
          },
          "evidence_ref": "ev:003"
        },
        {
          "source_line_ref": "bill:004",
          "category": "Support",
          "classification": "SHARED",
          "effective_cost": 200.0,
          "owner": "Platform",
          "target": null,
          "driver": {
            "method": "SPEND_PROPORTIONAL",
            "quantities": {
              "Product-A": 60.0,
              "Product-B": 40.0
            },
            "approved": true,
            "basis_version": "v1",
            "pool_version": "v1"
          },
          "evidence_ref": "ev:004"
        },
        {
          "source_line_ref": "bill:005",
          "category": "Security",
          "classification": "DIRECT",
          "effective_cost": 150.0,
          "owner": "Central",
          "target": "Central",
          "evidence_ref": "ev:005"
        },
        {
          "source_line_ref": "bill:006",
          "category": "SharedToolTrace",
          "classification": "DIRECT",
          "effective_cost": 100.0,
          "owner": "Product-B",
          "target": "Product-B",
          "evidence_ref": "ev:006"
        }
      ],
      "reconciliation_locked": false,
      "snapshot_source_total": null,
      "snapshot_allocated_total": null
    }
  ]
}
