{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://kinegrant.com/schemas/machine-permission-test-evidence-v0.1.json",
  "title": "KineGrant Machine Permission Test Evidence",
  "type": "object",
  "additionalProperties": false,
  "required": ["schema_version", "run_id", "generated_at", "protocol", "reference_implementation", "source_commit", "runner_digest", "environment", "overall_result", "summary", "cases", "limitations"],
  "properties": {
    "schema_version": {"const": "0.1"},
    "run_id": {"type": "string", "pattern": "^urn:kinegrant:mpt:run:[0-9a-f-]{36}$"},
    "generated_at": {"type": "string", "format": "date-time"},
    "protocol": {"const": "KGP-001 Experimental Open Draft 0.1"},
    "reference_implementation": {"type": "string", "pattern": "^[0-9]+\\.[0-9]+\\.[0-9]+$"},
    "source_commit": {
      "oneOf": [
        {"type": "null"},
        {"type": "string", "pattern": "^[0-9a-f]{40,64}$"}
      ]
    },
    "runner_digest": {"type": "string", "pattern": "^sha256:[0-9a-f]{64}$"},
    "environment": {
      "type": "object",
      "additionalProperties": false,
      "required": ["python_version", "python_implementation", "platform"],
      "properties": {
        "python_version": {"type": "string", "minLength": 1},
        "python_implementation": {"type": "string", "minLength": 1},
        "platform": {"type": "string", "minLength": 1}
      }
    },
    "overall_result": {"enum": ["PASS", "FAIL"]},
    "summary": {
      "type": "object",
      "additionalProperties": false,
      "required": ["total", "passed", "failed"],
      "properties": {
        "total": {"type": "integer", "minimum": 1},
        "passed": {"type": "integer", "minimum": 0},
        "failed": {"type": "integer", "minimum": 0}
      }
    },
    "cases": {
      "type": "array",
      "minItems": 9,
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["id", "name", "expected", "observed", "passed", "evidence"],
        "properties": {
          "id": {"type": "string", "pattern": "^MPT-[0-9]{3}$"},
          "name": {"type": "string", "minLength": 1},
          "expected": {"type": "string", "minLength": 1},
          "observed": {"type": "string", "minLength": 1},
          "passed": {"type": "boolean"},
          "evidence": {"type": "object"}
        }
      }
    },
    "limitations": {
      "type": "array",
      "minItems": 1,
      "items": {"type": "string", "minLength": 1}
    }
  }
}