{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://montrealai.github.io/proof-gradient/standards/AEP-003/schemas/proof_packet.schema.json",
  "title": "AEP-003 ProofPacket",
  "description": "Atomic proof unit for machine work under the Proof Gradient / Agent Evolution Protocol.",
  "type": "object",
  "required": [
    "packet_id",
    "schema",
    "schema_version",
    "packet_type",
    "created_at",
    "producer",
    "docket_id",
    "commitment_id",
    "run_id",
    "claim_refs",
    "evidence_refs",
    "boundary",
    "payload",
    "hash",
    "claim_boundary"
  ],
  "properties": {
    "packet_id": {
      "type": "string",
      "pattern": "^[A-Za-z0-9_.:-]+$"
    },
    "schema": {
      "type": "string",
      "const": "AEP-003"
    },
    "schema_version": {
      "type": "string"
    },
    "packet_type": {
      "type": "string",
      "enum": [
        "commit",
        "trace_event",
        "tool_call",
        "policy_decision",
        "approval",
        "eval_result",
        "evidence_ref",
        "risk_event",
        "cost_event",
        "selection_decision",
        "rollout_event",
        "rollback_event",
        "public_report"
      ]
    },
    "created_at": {
      "type": "string"
    },
    "producer": {
      "type": "object",
      "required": [
        "name",
        "type"
      ],
      "properties": {
        "name": {
          "type": "string"
        },
        "type": {
          "type": "string",
          "enum": [
            "agent",
            "system",
            "human",
            "organization",
            "workflow",
            "validator"
          ]
        },
        "version": {
          "type": "string"
        },
        "provider": {
          "type": "string"
        }
      }
    },
    "environment": {
      "type": "string"
    },
    "docket_id": {
      "type": "string"
    },
    "commitment_id": {
      "type": "string"
    },
    "run_id": {
      "type": "string"
    },
    "job_id": {
      "type": "string"
    },
    "bundle_id": {
      "type": "string"
    },
    "sequence_index": {
      "type": "integer",
      "minimum": 0
    },
    "artifact_refs": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "claim_refs": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "evidence_refs": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "trace_refs": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "tool_refs": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "policy_refs": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "eval_refs": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "risk_refs": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "selection_ref": {
      "type": "string"
    },
    "rollback_ref": {
      "type": "string"
    },
    "boundary": {
      "type": "object",
      "required": [
        "access_class",
        "public_safe",
        "contains_sensitive_data",
        "publication_allowed"
      ],
      "properties": {
        "access_class": {
          "type": "string",
          "enum": [
            "public",
            "private",
            "protected",
            "restricted"
          ]
        },
        "public_safe": {
          "type": "boolean"
        },
        "contains_sensitive_data": {
          "type": "boolean"
        },
        "retention_policy": {
          "type": "string"
        },
        "jurisdiction": {
          "type": "string"
        },
        "publication_allowed": {
          "type": "boolean"
        },
        "redaction_required": {
          "type": "boolean"
        },
        "protected_reason": {
          "type": "string"
        }
      }
    },
    "payload": {
      "type": "object"
    },
    "cost_summary": {
      "type": "object"
    },
    "latency_summary": {
      "type": "object"
    },
    "canonicalization_method": {
      "type": "string",
      "default": "json-sort-keys-utf8-zero-hash"
    },
    "hash_algorithm": {
      "type": "string",
      "default": "sha256"
    },
    "hash": {
      "type": "string",
      "pattern": "^sha256:[a-fA-F0-9]{64}$"
    },
    "previous_packet_hash": {
      "type": "string"
    },
    "docket_hash": {
      "type": "string"
    },
    "signature": {
      "type": "object"
    },
    "attestations": {
      "type": "array",
      "items": {
        "type": "object"
      }
    },
    "claim_boundary": {
      "type": "object",
      "required": [
        "supports",
        "does_not_support",
        "limitations",
        "public_claim_allowed"
      ],
      "properties": {
        "supports": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "does_not_support": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "limitations": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "public_claim_allowed": {
          "type": "boolean"
        }
      }
    }
  },
  "additionalProperties": true
}