{
  "batchId": "g2-lineloss-family-candidates-2026-04-18",
  "family": "G2",
  "source": "docs/superpowers/reports/2026-04-18-g2-family-expansion-third-round-report.md",
  "supportingSources": [
    "docs/superpowers/reports/2026-04-18-lineloss-family-variant-expansion-report.md",
    "tests/fixtures/generated_scene/scene_ledger_status_2026-04-18.json"
  ],
  "ledgerClusterLabel": "lineloss-family-candidate",
  "selectionRule": "roadmap Track A and Track D line-loss family variants promoted into reusable multi-mode baselines",
  "candidateCount": 6,
  "representativeBaseline": "tests/fixtures/generated_scene/multi_mode",
  "promotedBatchExpansionBaselines": [
    {
      "fixtureDir": "tests/fixtures/generated_scene/g2_weekly_single_mode",
      "sceneId": "p1-g2-weekly-single-mode-report",
      "sceneName": "P1 G2 weekly single mode report",
      "assertions": {
        "requiredDefaultMode": "week"
      }
    },
    {
      "fixtureDir": "tests/fixtures/generated_scene/g2_mixed_linked_workflow",
      "sceneId": "p1-g2-mixed-linked-workflow-report",
      "sceneName": "P1 G2 mixed linked workflow report",
      "assertions": {
        "requiredDefaultMode": "primary"
      }
    },
    {
      "fixtureDir": "tests/fixtures/generated_scene/g2_comparison_crosscheck",
      "sceneId": "p1-g2-comparison-crosscheck-report",
      "sceneName": "P1 G2 comparison crosscheck report",
      "assertions": {
        "requiredDefaultMode": "comparison"
      }
    },
    {
      "fixtureDir": "tests/fixtures/generated_scene/g2_diagnosis_drilldown",
      "sceneId": "p1-g2-diagnosis-drilldown-report",
      "sceneName": "P1 G2 diagnosis drilldown report",
      "assertions": {
        "requiredDefaultMode": "diagnosis"
      }
    },
    {
      "fixtureDir": "tests/fixtures/generated_scene/g2_prediction_compute",
      "sceneId": "p1-g2-prediction-compute-report",
      "sceneName": "P1 G2 prediction compute report",
      "assertions": {
        "requiredDefaultMode": "prediction"
      }
    }
  ],
  "expectedSharedContract": {
    "archetype": "multi_mode_request",
    "requiredGateNames": [
      "bootstrap_resolved",
      "request_contract_complete",
      "response_contract_complete",
      "workflow_contract_complete",
      "runtime_contract_compatible"
    ],
    "requiredVariantPatterns": [
      "g2_a_dual_mode_baseline",
      "g2_b_weekly_single_mode",
      "g2_c_mixed_linked_workflow",
      "g2_d_prediction_compute",
      "g2_e_comparison_crosscheck",
      "g2_f_diagnosis_drilldown"
    ]
  },
  "candidates": [
    {
      "sceneKey": "tq_lineloss_report",
      "batchRole": "p0-anchor",
      "status": "promoted-baseline"
    },
    {
      "sceneKey": "baiyin_lineloss_weekly",
      "batchRole": "first-expansion-anchor",
      "status": "promoted-expansion"
    },
    {
      "sceneKey": "lineloss_period_diff",
      "batchRole": "second-expansion-anchor",
      "status": "promoted-expansion"
    },
    {
      "sceneKey": "zero_consumer_crosscheck",
      "batchRole": "third-expansion-anchor",
      "status": "promoted-expansion"
    },
    {
      "sceneKey": "steal_analysis",
      "batchRole": "fourth-expansion-anchor",
      "status": "promoted-expansion"
    },
    {
      "sceneKey": "predicted_compute_variant",
      "batchRole": "fifth-expansion-anchor",
      "status": "promoted-expansion"
    }
  ],
  "notes": [
    "This batch records the current code-backed G2 representative and promoted expansion baselines.",
    "G2-D prediction compute is now promoted as a repo-local reusable expansion baseline within the current lineloss family contract.",
    "The next Track D round should continue from the queued downstream family candidates instead of rebuilding G2-A through G2-F state from markdown reports."
  ]
}