{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://missionweaveprotocol.dev/schemas/0.1/evidence.schema.json",
  "title": "MissionWeaveProtocol 0.1 Evidence",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "evidenceId",
    "missionId",
    "groupId",
    "workItemId",
    "type",
    "subject",
    "criterionIds",
    "method",
    "result",
    "artifactHashes",
    "generatedBy",
    "createdAt",
    "signature"
  ],
  "properties": {
    "evidenceId": {
      "$ref": "common.schema.json#/$defs/id"
    },
    "missionId": {
      "$ref": "common.schema.json#/$defs/id"
    },
    "groupId": {
      "$ref": "common.schema.json#/$defs/id"
    },
    "workItemId": {
      "$ref": "common.schema.json#/$defs/id"
    },
    "type": {
      "enum": [
        "artifact_integrity",
        "schema_validation",
        "deterministic_test",
        "business_rule",
        "reviewer_assessment",
        "human_review",
        "policy_check",
        "failure_report"
      ]
    },
    "subject": {
      "type": "object",
      "additionalProperties": false,
      "required": ["type", "id"],
      "properties": {
        "type": {
          "enum": ["work_item", "artifact", "mission"]
        },
        "id": {
          "anyOf": [
            {"$ref": "common.schema.json#/$defs/id"},
            {"$ref": "common.schema.json#/$defs/sha256"}
          ]
        }
      }
    },
    "criterionIds": {
      "type": "array",
      "items": {
        "type": "string",
        "pattern": "^[a-zA-Z0-9][a-zA-Z0-9._-]{0,127}$"
      },
      "minItems": 1,
      "uniqueItems": true
    },
    "method": {
      "type": "string",
      "minLength": 1,
      "maxLength": 4000
    },
    "result": {
      "enum": ["passed", "failed", "inconclusive"]
    },
    "details": {
      "type": "object"
    },
    "artifactHashes": {
      "type": "array",
      "items": {
        "$ref": "common.schema.json#/$defs/sha256"
      },
      "uniqueItems": true
    },
    "generatedBy": {
      "$ref": "common.schema.json#/$defs/actor"
    },
    "toolVersion": {
      "type": "string",
      "maxLength": 500
    },
    "modelVersion": {
      "type": "string",
      "maxLength": 500
    },
    "createdAt": {
      "$ref": "common.schema.json#/$defs/timestamp"
    },
    "signature": {
      "$ref": "common.schema.json#/$defs/signature"
    }
  }
}