Reasoning-Uad-Impossible-Migration

The model receives the prompt (and optional system message). The run uses scorer rubric_json_metrics with the JSON configuration below. Pass/fail and partial credit are determined entirely by that scorer against the model output; no human grading.

Return JSON only with keys answer, evidence, constraints. A request asks for zero downtime, no dual writes, no read fallback, and immediate rollback for a breaking schema change. Explain the conflict.

{
  "metrics": {
    "accuracy": {
      "checks": [
        {
          "contains": [
            "zero downtime"
          ]
        },
        {
          "contains": [
            "no dual writes"
          ]
        },
        {
          "contains": [
            "breaking schema"
          ]
        }
      ]
    },
    "evidence": {
      "checks": [
        {
          "contains": [
            "no read fallback"
          ]
        },
        {
          "contains": [
            "rollback"
          ]
        },
        {
          "contains": [
            "conflict"
          ]
        }
      ]
    },
    "constraint": {
      "checks": [
        {
          "contains": [
            "uncertainty"
          ]
        },
        {
          "contains": [
            "impossible"
          ]
        },
        {
          "contains": [
            "tradeoff"
          ]
        }
      ]
    }
  }
}