{
  "$schema": "http://json-schema.org/draft-07/schema#", "type": "object",
  "required": ["source-artifact-refs", "hypotheses", "experiments", "evidence", "option-evaluations", "kill-criteria", "recommendation"],
  "properties": {
    "source-artifact-refs": {
      "type": "array", "minItems": 2,
      "items": {
        "type": "object",
        "required": ["artifact-id", "artifact-sha256"],
        "properties": {
          "artifact-id": {"type": "string", "minLength": 1},
          "artifact-sha256": {"type": "string", "pattern": "^[0-9a-f]{64}$"}
        }
      }
    },
    "hypotheses": {"type": "array", "minItems": 1}, "experiments": {"type": "array", "minItems": 1},
    "evidence": {"type": "array", "minItems": 1},
    "option-evaluations": {
      "type": "array", "minItems": 2,
      "items": {
        "type": "object",
        "required": [
          "id", "customer", "painful-job", "current-alternative", "wedge",
          "monetization", "expected-price", "reachable-customers", "rough-revenue-ceiling",
          "acquisition-channel", "build-cost", "operation-cost", "founder-fit", "defensibility",
          "kill-criteria", "unresolved-assumptions", "validation-results"
        ],
        "properties": {
          "id": {"type": "string", "minLength": 1},
          "kill-criteria": {"type": "array", "minItems": 1},
          "unresolved-assumptions": {"type": "array"},
          "validation-results": {
            "type": "array", "minItems": 9,
            "items": {
              "type": "object",
              "required": ["option-id", "gate", "verdict", "evidence", "dissent"],
              "properties": {
                "option-id": {"type": "string", "minLength": 1},
                "gate": {
                  "enum": [
                    "problem-intensity", "competition-alternatives", "willingness-to-pay",
                    "revenue-unit-economics", "tech-feasibility-moat", "operability",
                    "distribution", "founder-fit", "kill-criteria"
                  ]
                },
                "verdict": {"enum": ["pass", "fail", "unknown"]},
                "evidence": {"type": "array"},
                "dissent": {"type": "array"}
              }
            }
          }
        }
      }
    },
    "kill-criteria": {"type": "array", "minItems": 1}, "recommendation": {"type": "string", "minLength": 1}
  }
}