{
  "plan_id": "climate_policy_v2",
  "survey": "pew_w158",
  "heldout_questions": "tree_planting,carbon_tax,carbon_capture_credit,zero_carbon_power,methane_leaks",
  "primary_metric": "nll",
  "defaults": {
    "sample_respondents": 100,
    "seed": 20260721,
    "complete_cases": true,
    "stratify_actual": true,
    "context_question_count": 5,
    "model": ["openai:gpt-5.5"]
  },
  "arms": [
    {
      "approach_id": "baseline"
    }
  ],
  "approval": {
    "approved": false,
    "status": "draft",
    "required_before": [
      "twin-experiment export-plan",
      "twin-study build",
      "twin-study export-holdout",
      "edsl build --target twin-probability-job"
    ]
  },
  "prediction_count_estimate": 500
}