{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://qrtrust.example/contracts/restore-automation-evidence.schema.json",
  "title": "Restore Automation Evidence Packet",
  "description": "Reviewable evidence that QR trust network backup and restore automation has been drilled without exposing private deployment material.",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "artifact_type",
    "packet_id",
    "generated_at",
    "claim_mode",
    "backup_artifact",
    "recovery_objective",
    "drills",
    "guardrails",
    "reviewer"
  ],
  "properties": {
    "artifact_type": {
      "const": "restore_automation_evidence_packet"
    },
    "packet_id": {
      "type": "string",
      "minLength": 1
    },
    "generated_at": {
      "type": "string",
      "format": "date-time"
    },
    "claim_mode": {
      "type": "string",
      "enum": [
        "reference_drill",
        "production_candidate"
      ]
    },
    "backup_artifact": {
      "$ref": "#/$defs/backup_artifact"
    },
    "recovery_objective": {
      "$ref": "#/$defs/recovery_objective"
    },
    "drills": {
      "type": "array",
      "minItems": 4,
      "items": {
        "$ref": "#/$defs/drill"
      }
    },
    "guardrails": {
      "$ref": "#/$defs/guardrails"
    },
    "reviewer": {
      "$ref": "#/$defs/reviewer"
    }
  },
  "$defs": {
    "backup_artifact": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "artifact_id",
        "storage_ref",
        "sha256",
        "created_at",
        "retention_policy",
        "encryption_mode"
      ],
      "properties": {
        "artifact_id": {
          "type": "string",
          "minLength": 1
        },
        "storage_ref": {
          "type": "string",
          "minLength": 1
        },
        "sha256": {
          "type": "string",
          "pattern": "^[a-f0-9]{64}$"
        },
        "created_at": {
          "type": "string",
          "format": "date-time"
        },
        "retention_policy": {
          "type": "string",
          "minLength": 1
        },
        "encryption_mode": {
          "type": "string",
          "minLength": 1
        }
      }
    },
    "recovery_objective": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "rpo_minutes",
        "rto_minutes",
        "owner",
        "escalation_ref"
      ],
      "properties": {
        "rpo_minutes": {
          "type": "integer",
          "minimum": 1
        },
        "rto_minutes": {
          "type": "integer",
          "minimum": 1
        },
        "owner": {
          "type": "string",
          "minLength": 1
        },
        "escalation_ref": {
          "type": "string",
          "minLength": 1
        }
      }
    },
    "drill": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "drill_id",
        "objective",
        "command_ref",
        "started_at",
        "completed_at",
        "status",
        "evidence_refs"
      ],
      "properties": {
        "drill_id": {
          "type": "string",
          "enum": [
            "scheduled_backup_created",
            "scratch_restore_completed",
            "migration_rollback_rehearsed",
            "operator_failover_handoff"
          ]
        },
        "objective": {
          "type": "string",
          "minLength": 1
        },
        "command_ref": {
          "type": "string",
          "minLength": 1
        },
        "started_at": {
          "type": "string",
          "format": "date-time"
        },
        "completed_at": {
          "type": "string",
          "format": "date-time"
        },
        "status": {
          "type": "string",
          "enum": [
            "passed",
            "failed",
            "blocked"
          ]
        },
        "evidence_refs": {
          "type": "array",
          "minItems": 1,
          "items": {
            "$ref": "#/$defs/evidence_ref"
          }
        }
      }
    },
    "evidence_ref": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "label",
        "uri",
        "owner",
        "reviewed_at"
      ],
      "properties": {
        "label": {
          "type": "string",
          "minLength": 1
        },
        "uri": {
          "type": "string",
          "minLength": 1
        },
        "owner": {
          "type": "string",
          "minLength": 1
        },
        "reviewed_at": {
          "type": "string",
          "pattern": "^\\d{4}-\\d{2}-\\d{2}$"
        }
      }
    },
    "guardrails": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "postgres_authoritative",
        "restore_targets_scratch_only",
        "no_secret_material",
        "destructive_restore_requires_operator_approval"
      ],
      "properties": {
        "postgres_authoritative": {
          "const": true
        },
        "restore_targets_scratch_only": {
          "const": true
        },
        "no_secret_material": {
          "const": true
        },
        "destructive_restore_requires_operator_approval": {
          "const": true
        }
      }
    },
    "reviewer": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "name",
        "role",
        "reviewed_at"
      ],
      "properties": {
        "name": {
          "type": "string",
          "minLength": 1
        },
        "role": {
          "type": "string",
          "minLength": 1
        },
        "reviewed_at": {
          "type": "string",
          "pattern": "^\\d{4}-\\d{2}-\\d{2}$"
        }
      }
    }
  }
}