{
  "skill_name": "data-contract",
  "evals": [
    {
      "id": 1,
      "prompt": "We publish an `orders_daily` table that three downstream teams consume. Write the data contract.",
      "assertions": [
        "Every field carries a meaning plus a unit or allowed-values, not merely a type — the cents-vs-dollars class of bug is designed out",
        "Every quality SLA states a threshold, a check, and a breach action; 'high quality' is rejected as an SLA",
        "The evolution policy explicitly names meaning-change-under-a-stable-name as a breaking change",
        "The contract names the owner and the consumers it is a promise to",
        "Freshness, completeness, validity, and distribution are each addressed or explicitly marked not-applicable"
      ]
    }
  ]
}