{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://github.com/LucioLiu/handoff-protocol/contracts/parent-verification.schema.json",
  "title": "Parent verification trace",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "handoff_id",
    "contract_id",
    "dispatch_id",
    "status",
    "authoritative_root",
    "checks"
  ],
  "properties": {
    "handoff_id": {"type": "string", "minLength": 1},
    "contract_id": {"type": "string", "minLength": 1},
    "dispatch_id": {"type": "string", "minLength": 1},
    "status": {"enum": ["pass", "fail"]},
    "authoritative_root": {
      "type": "object",
      "additionalProperties": false,
      "required": ["root_id", "resolved_path", "resolution_evidence"],
      "properties": {
        "root_id": {"type": "string", "minLength": 1},
        "resolved_path": {"type": "string", "minLength": 1},
        "resolution_evidence": {"type": "string", "minLength": 1}
      }
    },
    "checks": {
      "type": "array",
      "minItems": 4,
      "maxItems": 4,
      "uniqueItems": true,
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["target", "status", "evidence"],
        "properties": {
          "target": {
            "enum": ["employee_memory", "employee_worklog", "team_journal", "central_board"]
          },
          "status": {
            "enum": [
              "verified",
              "not_applicable",
              "missing",
              "wrong_root",
              "conflict",
              "provider_failed",
              "failed"
            ]
          },
          "path": {"type": "string", "minLength": 1},
          "evidence": {"type": "string", "minLength": 1}
        }
      }
    }
  },
  "allOf": [
    {
      "properties": {
        "checks": {
          "allOf": [
            {
              "contains": {
                "properties": {"target": {"const": "employee_memory"}},
                "required": ["target"]
              },
              "minContains": 1,
              "maxContains": 1
            },
            {
              "contains": {
                "properties": {"target": {"const": "employee_worklog"}},
                "required": ["target"]
              },
              "minContains": 1,
              "maxContains": 1
            },
            {
              "contains": {
                "properties": {"target": {"const": "team_journal"}},
                "required": ["target"]
              },
              "minContains": 1,
              "maxContains": 1
            },
            {
              "contains": {
                "properties": {"target": {"const": "central_board"}},
                "required": ["target"]
              },
              "minContains": 1,
              "maxContains": 1
            }
          ]
        }
      }
    },
    {
      "if": {
        "properties": {"status": {"const": "pass"}},
        "required": ["status"]
      },
      "then": {
        "properties": {
          "checks": {
            "items": {
              "properties": {
                "status": {"enum": ["verified", "not_applicable"]}
              }
            }
          }
        }
      }
    },
    {
      "if": {
        "properties": {"status": {"const": "fail"}},
        "required": ["status"]
      },
      "then": {
        "properties": {
          "checks": {
            "contains": {
              "properties": {
                "status": {
                  "enum": [
                    "missing",
                    "wrong_root",
                    "conflict",
                    "provider_failed",
                    "failed"
                  ]
                }
              },
              "required": ["status"]
            },
            "minContains": 1
          }
        }
      }
    }
  ]
}