{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://matjson.org/schema/matcheck/0.1/schema.json",
  "title": "MatCheckJSON v0.1 — Concept Placeholder",
  "description": "Proposed machine-readable results of evaluating MatJSON requirements against normalized evidence. Detailed semantics are TBC.",
  "x-matjson-profile": "matcheck",
  "x-matjson-status": "tbc",
  "type": "object",
  "required": [
    "matjson",
    "check",
    "results",
    "summary"
  ],
  "additionalProperties": false,
  "properties": {
    "matjson": {
      "type": "object",
      "required": [
        "profile",
        "version"
      ],
      "additionalProperties": false,
      "properties": {
        "profile": {
          "const": "matcheck"
        },
        "version": {
          "const": "0.1"
        }
      }
    },
    "check": {
      "type": "object",
      "required": [
        "id",
        "performed_at"
      ],
      "properties": {
        "id": {
          "type": "string"
        },
        "performed_at": {
          "type": "string",
          "format": "date-time"
        },
        "tool": {
          "type": "string"
        },
        "reviewer": {
          "type": [
            "string",
            "null"
          ]
        }
      }
    },
    "results": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "requirement_id",
          "status"
        ],
        "properties": {
          "requirement_id": {
            "type": "string"
          },
          "origin": {
            "type": "object"
          },
          "status": {
            "enum": [
              "pass",
              "fail",
              "not_applicable",
              "needs_project_input",
              "missing_evidence",
              "requisition_gap",
              "manual_review_required"
            ]
          },
          "required": {},
          "reported": {},
          "evidence": {
            "type": "array"
          },
          "explanation": {
            "type": "string"
          }
        }
      }
    },
    "summary": {
      "type": "object",
      "properties": {
        "overall_status": {
          "type": "string"
        },
        "counts": {
          "type": "object"
        }
      }
    },
    "extensions": {
      "type": "object"
    }
  }
}