{
  "$defs": {
    "ActorKind": {
      "enum": [
        "verified_human_harness",
        "host_guest_harness",
        "workload",
        "external_human_unverified"
      ],
      "title": "ActorKind",
      "type": "string"
    },
    "Classification": {
      "enum": [
        "C0",
        "C1",
        "C2",
        "C3"
      ],
      "title": "Classification",
      "type": "string"
    },
    "EventType": {
      "enum": [
        "message",
        "task_assignment",
        "room_event",
        "artifact_event",
        "control"
      ],
      "title": "EventType",
      "type": "string"
    },
    "ReleasedArtifactBinding": {
      "additionalProperties": false,
      "description": "Exact, non-fetching reference to one corporately released object version.\n\nThe binding intentionally excludes the plaintext digest and object key:\nboth are private manifest data whose disclosure would create equality and\nstorage-topology side channels.  Consumers must resolve ``artifact_id``\nthrough the authoritative artifact service and compare every field before\nmaking bytes available.",
      "properties": {
        "artifact_id": {
          "pattern": "^[a-f0-9]{8}-[a-f0-9]{4}-[1-5][a-f0-9]{3}-[89ab][a-f0-9]{3}-[a-f0-9]{12}$",
          "title": "Artifact Id",
          "type": "string"
        },
        "classification": {
          "$ref": "#/$defs/Classification"
        },
        "domain_id": {
          "maxLength": 256,
          "minLength": 1,
          "title": "Domain Id",
          "type": "string"
        },
        "media_type": {
          "maxLength": 255,
          "minLength": 3,
          "pattern": "^[a-z0-9][a-z0-9!#$&^_.+-]{0,126}/[a-z0-9][a-z0-9!#$&^_.+-]{0,126}$",
          "title": "Media Type",
          "type": "string"
        },
        "object_version": {
          "pattern": "^[a-f0-9]{64}$",
          "title": "Object Version",
          "type": "string"
        },
        "release_intent_id": {
          "pattern": "^[a-f0-9]{8}-[a-f0-9]{4}-[1-5][a-f0-9]{3}-[89ab][a-f0-9]{3}-[a-f0-9]{12}$",
          "title": "Release Intent Id",
          "type": "string"
        },
        "released_at": {
          "format": "date-time",
          "title": "Released At",
          "type": "string"
        },
        "schema_version": {
          "const": "1.0",
          "default": "1.0",
          "title": "Schema Version",
          "type": "string"
        },
        "size": {
          "maximum": 16777216,
          "minimum": 0,
          "title": "Size",
          "type": "integer"
        }
      },
      "required": [
        "artifact_id",
        "domain_id",
        "object_version",
        "size",
        "media_type",
        "classification",
        "release_intent_id",
        "released_at"
      ],
      "title": "ReleasedArtifactBinding",
      "type": "object"
    },
    "VerifiedActor": {
      "additionalProperties": false,
      "description": "An exact, discriminated actor shape.\n\nPydantic cannot expose a union alias while preserving the long-standing\n``VerifiedActor(...)`` constructor used throughout the core.  This model\ntherefore enforces the same tagged-union invariant at both parse and copy\nboundaries: a field belonging to another actor kind is an error even when\nits value is ``null``.  Authority code can consequently branch on ``kind``\nwithout also having to defend against smuggled cross-kind identity fields.",
      "properties": {
        "binding_assurance": {
          "enum": [
            "external",
            "lab",
            "os_bound",
            "hardware_bound",
            "internal_process",
            "synthetic_lab",
            "workload_mtls"
          ],
          "title": "Binding Assurance",
          "type": "string"
        },
        "credential_epoch": {
          "default": 0,
          "minimum": 0,
          "title": "Credential Epoch",
          "type": "integer"
        },
        "credential_id": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Credential Id"
        },
        "domain_id": {
          "title": "Domain Id",
          "type": "string"
        },
        "external_peer_id": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "External Peer Id"
        },
        "guest_id": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Guest Id"
        },
        "harness_id": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Harness Id"
        },
        "kind": {
          "$ref": "#/$defs/ActorKind"
        },
        "parent_event_id": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Parent Event Id"
        },
        "principal_id": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Principal Id"
        },
        "task_grant_id": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Task Grant Id"
        },
        "workload_id": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Workload Id"
        },
        "workload_process_id": {
          "anyOf": [
            {
              "type": "integer"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Workload Process Id"
        },
        "workload_process_start_time": {
          "anyOf": [
            {
              "type": "integer"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Workload Process Start Time"
        },
        "workload_registration_id": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Workload Registration Id"
        },
        "workload_revocation_epoch": {
          "anyOf": [
            {
              "type": "integer"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Workload Revocation Epoch"
        },
        "workload_role": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Workload Role"
        },
        "workload_session_id": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Workload Session Id"
        }
      },
      "required": [
        "kind",
        "domain_id",
        "binding_assurance"
      ],
      "title": "VerifiedActor",
      "type": "object"
    }
  },
  "$id": "https://agentnet.invalid/schemas/v1/event.json",
  "additionalProperties": false,
  "properties": {
    "actor": {
      "$ref": "#/$defs/VerifiedActor"
    },
    "causal_parent_ids": {
      "default": [],
      "items": {
        "type": "string"
      },
      "maxItems": 256,
      "title": "Causal Parent Ids",
      "type": "array"
    },
    "classification": {
      "$ref": "#/$defs/Classification"
    },
    "conversation_id": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Conversation Id"
    },
    "created_at": {
      "format": "date-time",
      "title": "Created At",
      "type": "string"
    },
    "credential_epoch": {
      "default": 0,
      "minimum": 0,
      "title": "Credential Epoch",
      "type": "integer"
    },
    "delivery_expires_at": {
      "anyOf": [
        {
          "format": "date-time",
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Delivery Expires At"
    },
    "domain_id": {
      "title": "Domain Id",
      "type": "string"
    },
    "effect_deadline": {
      "anyOf": [
        {
          "format": "date-time",
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Effect Deadline"
    },
    "event_id": {
      "title": "Event Id",
      "type": "string"
    },
    "event_type": {
      "$ref": "#/$defs/EventType"
    },
    "idempotency_key": {
      "maxLength": 256,
      "minLength": 16,
      "title": "Idempotency Key",
      "type": "string"
    },
    "legal_hold": {
      "default": false,
      "title": "Legal Hold",
      "type": "boolean"
    },
    "payload": {
      "additionalProperties": true,
      "title": "Payload",
      "type": "object"
    },
    "payload_access": {
      "anyOf": [
        {
          "const": "task_grant_required",
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Payload Access"
    },
    "payload_digest": {
      "title": "Payload Digest",
      "type": "string"
    },
    "policy_revision": {
      "default": 1,
      "minimum": 1,
      "title": "Policy Revision",
      "type": "integer"
    },
    "protocol_profile": {
      "const": "agentnet.internal/1.0",
      "default": "agentnet.internal/1.0",
      "title": "Protocol Profile",
      "type": "string"
    },
    "recipients": {
      "items": {
        "type": "string"
      },
      "minItems": 1,
      "title": "Recipients",
      "type": "array"
    },
    "released_artifacts": {
      "default": [],
      "items": {
        "$ref": "#/$defs/ReleasedArtifactBinding"
      },
      "title": "Released Artifacts",
      "type": "array"
    },
    "retention_delete_at": {
      "anyOf": [
        {
          "format": "date-time",
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Retention Delete At"
    },
    "room_application_epoch": {
      "anyOf": [
        {
          "minimum": 1,
          "type": "integer"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Room Application Epoch"
    },
    "room_control_sequence": {
      "anyOf": [
        {
          "minimum": 1,
          "type": "integer"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Room Control Sequence"
    },
    "room_file_key_epoch": {
      "anyOf": [
        {
          "minimum": 1,
          "type": "integer"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Room File Key Epoch"
    },
    "room_id": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Room Id"
    },
    "room_mls_epoch": {
      "anyOf": [
        {
          "minimum": 0,
          "type": "integer"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Room Mls Epoch"
    },
    "schema_version": {
      "const": "1.0",
      "default": "1.0",
      "title": "Schema Version",
      "type": "string"
    },
    "task_id": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Task Id"
    },
    "thread_id": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Thread Id"
    }
  },
  "required": [
    "domain_id",
    "actor",
    "event_type",
    "classification",
    "payload",
    "payload_digest",
    "idempotency_key",
    "recipients"
  ],
  "title": "EventEnvelope",
  "type": "object",
  "x-agentnet-schema-version": "1.0"
}