{
  "$defs": {
    "AcceptanceCase": {
      "additionalProperties": false,
      "properties": {
        "id": {
          "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
          "title": "Id",
          "type": "string"
        },
        "name": {
          "title": "Name",
          "type": "string"
        },
        "scope": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Scope"
        },
        "preconditions": {
          "items": {
            "type": "string"
          },
          "title": "Preconditions",
          "type": "array"
        },
        "steps": {
          "items": {
            "type": "string"
          },
          "title": "Steps",
          "type": "array"
        },
        "expected_nominal": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Expected Nominal"
        },
        "expected_fault": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Expected Fault"
        },
        "expected_recovery": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Expected Recovery"
        },
        "signal_refs": {
          "items": {
            "$ref": "#/$defs/InterfaceSignalRef"
          },
          "title": "Signal Refs",
          "type": "array"
        },
        "witness_ref": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Witness Ref"
        }
      },
      "required": [
        "id",
        "name"
      ],
      "title": "AcceptanceCase",
      "type": "object"
    },
    "AccessMode": {
      "enum": [
        "read",
        "write",
        "read_write"
      ],
      "title": "AccessMode",
      "type": "string"
    },
    "AlarmDefinition": {
      "additionalProperties": false,
      "properties": {
        "id": {
          "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
          "title": "Id",
          "type": "string"
        },
        "text": {
          "title": "Text",
          "type": "string"
        },
        "priority": {
          "$ref": "#/$defs/AlarmPriority"
        },
        "category": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Category"
        },
        "latching": {
          "default": false,
          "title": "Latching",
          "type": "boolean"
        },
        "ack_required": {
          "default": false,
          "title": "Ack Required",
          "type": "boolean"
        },
        "remote_reset_allowed": {
          "default": false,
          "title": "Remote Reset Allowed",
          "type": "boolean"
        },
        "visible_on_bridge": {
          "default": false,
          "title": "Visible On Bridge",
          "type": "boolean"
        },
        "visible_on_ecr": {
          "default": true,
          "title": "Visible On Ecr",
          "type": "boolean"
        },
        "visible_on_ias": {
          "default": true,
          "title": "Visible On Ias",
          "type": "boolean"
        },
        "event_logging_required": {
          "default": true,
          "title": "Event Logging Required",
          "type": "boolean"
        }
      },
      "required": [
        "id",
        "text",
        "priority"
      ],
      "title": "AlarmDefinition",
      "type": "object"
    },
    "AlarmPriority": {
      "enum": [
        "critical",
        "high",
        "medium",
        "low"
      ],
      "title": "AlarmPriority",
      "type": "string"
    },
    "ArtifactMeta": {
      "additionalProperties": false,
      "properties": {
        "artifact_id": {
          "anyOf": [
            {
              "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Artifact Id"
        },
        "role": {
          "$ref": "#/$defs/ArtifactRole",
          "default": "si_internal"
        },
        "status": {
          "$ref": "#/$defs/ArtifactStatus",
          "default": "draft"
        },
        "contract_version": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Contract Version"
        },
        "compatibility": {
          "$ref": "#/$defs/CompatibilityClass",
          "default": "none"
        },
        "published_at": {
          "anyOf": [
            {
              "format": "date",
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Published At"
        },
        "supersedes": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Supersedes"
        },
        "intended_consumers": {
          "items": {
            "type": "string"
          },
          "title": "Intended Consumers",
          "type": "array"
        },
        "lifecycle_state": {
          "$ref": "#/$defs/LifecycleState",
          "default": "active"
        },
        "deprecated_at": {
          "anyOf": [
            {
              "format": "date",
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Deprecated At"
        },
        "sunset_at": {
          "anyOf": [
            {
              "format": "date",
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Sunset At"
        },
        "replaced_by": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Replaced By"
        }
      },
      "title": "ArtifactMeta",
      "type": "object"
    },
    "ArtifactRole": {
      "enum": [
        "si_internal",
        "integration_contract",
        "exchange_projection"
      ],
      "title": "ArtifactRole",
      "type": "string"
    },
    "ArtifactStatus": {
      "enum": [
        "draft",
        "released",
        "deprecated",
        "withdrawn"
      ],
      "title": "ArtifactStatus",
      "type": "string"
    },
    "AuthorityRule": {
      "additionalProperties": false,
      "properties": {
        "id": {
          "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
          "title": "Id",
          "type": "string"
        },
        "command_owner": {
          "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
          "title": "Command Owner",
          "type": "string"
        },
        "allowed_modes": {
          "items": {
            "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
            "type": "string"
          },
          "title": "Allowed Modes",
          "type": "array"
        },
        "arbitration": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Arbitration"
        },
        "fallback_behavior": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Fallback Behavior"
        }
      },
      "required": [
        "id",
        "command_owner"
      ],
      "title": "AuthorityRule",
      "type": "object"
    },
    "CANopenAddressing": {
      "additionalProperties": false,
      "properties": {
        "kind": {
          "const": "canopen",
          "default": "canopen",
          "title": "Kind",
          "type": "string"
        },
        "cob_id": {
          "maximum": 2047,
          "minimum": 0,
          "title": "Cob Id",
          "type": "integer"
        },
        "node_id": {
          "anyOf": [
            {
              "maximum": 127,
              "minimum": 1,
              "type": "integer"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Node Id"
        },
        "index": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Index"
        },
        "subindex": {
          "anyOf": [
            {
              "minimum": 0,
              "type": "integer"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Subindex"
        }
      },
      "required": [
        "cob_id"
      ],
      "title": "CANopenAddressing",
      "type": "object"
    },
    "CableProfile": {
      "additionalProperties": false,
      "properties": {
        "cable_type": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Cable Type"
        },
        "pair_type": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Pair Type"
        },
        "shielded": {
          "anyOf": [
            {
              "type": "boolean"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Shielded"
        },
        "grounding_policy": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Grounding Policy"
        },
        "max_length_m": {
          "anyOf": [
            {
              "exclusiveMinimum": 0,
              "type": "number"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Max Length M"
        },
        "emc_notes": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Emc Notes"
        }
      },
      "title": "CableProfile",
      "type": "object"
    },
    "CommandContract": {
      "additionalProperties": false,
      "properties": {
        "ack_timeout_ms": {
          "minimum": 1,
          "title": "Ack Timeout Ms",
          "type": "integer"
        },
        "retry_count": {
          "default": 0,
          "minimum": 0,
          "title": "Retry Count",
          "type": "integer"
        },
        "nack_behavior": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Nack Behavior"
        }
      },
      "required": [
        "ack_timeout_ms"
      ],
      "title": "CommandContract",
      "type": "object"
    },
    "CompatibilityClass": {
      "enum": [
        "none",
        "backward",
        "forward",
        "full"
      ],
      "title": "CompatibilityClass",
      "type": "string"
    },
    "Component": {
      "additionalProperties": false,
      "description": "Replaces legacy System (\u00a74). Execution host and interface container.",
      "properties": {
        "id": {
          "description": "Stable identifier, e.g. RCS.",
          "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
          "title": "Id",
          "type": "string"
        },
        "name": {
          "description": "Display name.",
          "title": "Name",
          "type": "string"
        },
        "modes": {
          "description": "Vendor-owned canonical mode definitions for this component. Functions may only reference a subset of these mode IDs.",
          "items": {
            "$ref": "#/$defs/Mode"
          },
          "title": "Modes",
          "type": "array"
        },
        "modules": {
          "description": "Physical/logical subdivisions.",
          "items": {
            "$ref": "#/$defs/Module"
          },
          "title": "Modules",
          "type": "array"
        },
        "ports": {
          "description": "Dedicated interface endpoints for connection edges and ontology predicates.",
          "items": {
            "$ref": "#/$defs/Port"
          },
          "title": "Ports",
          "type": "array"
        },
        "vendor": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "Vendor metadata.",
          "title": "Vendor"
        },
        "notes": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Notes"
        }
      },
      "required": [
        "id",
        "name"
      ],
      "title": "Component",
      "type": "object"
    },
    "Connection": {
      "additionalProperties": false,
      "description": "A directed edge between two ports transmitting one signal.",
      "properties": {
        "id": {
          "description": "Connection identifier.",
          "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
          "title": "Id",
          "type": "string"
        },
        "from_port_ref": {
          "description": "Fully-qualified source port reference.",
          "title": "From Port Ref",
          "type": "string"
        },
        "to_port_ref": {
          "description": "Fully-qualified target port reference.",
          "title": "To Port Ref",
          "type": "string"
        },
        "connection_type": {
          "$ref": "#/$defs/ConnectionType",
          "description": "Project profile type: physical, logical, control, data, status, etc."
        },
        "signal": {
          "description": "Signal ID transmitted by this connection. One connection carries one signal.",
          "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
          "title": "Signal",
          "type": "string"
        },
        "properties": {
          "type": "object",
          "additionalProperties": true,
          "description": "Additional connection metadata.",
          "title": "Properties"
        }
      },
      "required": [
        "id",
        "from_port_ref",
        "to_port_ref",
        "connection_type",
        "signal"
      ],
      "title": "Connection",
      "type": "object"
    },
    "ConnectionType": {
      "enum": [
        "physical",
        "logical",
        "control",
        "data",
        "status"
      ],
      "title": "ConnectionType",
      "type": "string"
    },
    "ConnectorPin": {
      "additionalProperties": false,
      "properties": {
        "pin": {
          "title": "Pin",
          "type": "string"
        },
        "signal_role": {
          "title": "Signal Role",
          "type": "string"
        },
        "polarity": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Polarity"
        }
      },
      "required": [
        "pin",
        "signal_role"
      ],
      "title": "ConnectorPin",
      "type": "object"
    },
    "ConnectorProfile": {
      "additionalProperties": false,
      "properties": {
        "connector_type": {
          "title": "Connector Type",
          "type": "string"
        },
        "mating_side_owner": {
          "anyOf": [
            {
              "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Mating Side Owner"
        },
        "pins": {
          "items": {
            "$ref": "#/$defs/ConnectorPin"
          },
          "title": "Pins",
          "type": "array"
        },
        "shield_termination": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Shield Termination"
        },
        "grounding_policy": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Grounding Policy"
        }
      },
      "required": [
        "connector_type"
      ],
      "title": "ConnectorProfile",
      "type": "object"
    },
    "ContactType": {
      "enum": [
        "dry",
        "wet"
      ],
      "title": "ContactType",
      "type": "string"
    },
    "Direction": {
      "enum": [
        "in",
        "out"
      ],
      "title": "Direction",
      "type": "string"
    },
    "DiscreteEntry": {
      "additionalProperties": false,
      "properties": {
        "raw": {
          "anyOf": [
            {
              "type": "boolean"
            },
            {
              "type": "integer"
            },
            {
              "type": "number"
            },
            {
              "type": "string"
            }
          ],
          "title": "Raw"
        },
        "meaning": {
          "title": "Meaning",
          "type": "string"
        }
      },
      "required": [
        "raw",
        "meaning"
      ],
      "title": "DiscreteEntry",
      "type": "object"
    },
    "DiscreteMapping": {
      "additionalProperties": false,
      "properties": {
        "kind": {
          "const": "discrete",
          "default": "discrete",
          "title": "Kind",
          "type": "string"
        },
        "entries": {
          "items": {
            "$ref": "#/$defs/DiscreteEntry"
          },
          "minItems": 1,
          "title": "Entries",
          "type": "array"
        }
      },
      "required": [
        "entries"
      ],
      "title": "DiscreteMapping",
      "type": "object"
    },
    "ElectricalProfile": {
      "additionalProperties": false,
      "properties": {
        "contact_type": {
          "anyOf": [
            {
              "$ref": "#/$defs/ContactType"
            },
            {
              "type": "null"
            }
          ],
          "default": null
        },
        "logic_type": {
          "anyOf": [
            {
              "$ref": "#/$defs/LogicType"
            },
            {
              "type": "null"
            }
          ],
          "default": null
        },
        "wire_count": {
          "anyOf": [
            {
              "$ref": "#/$defs/WireCount"
            },
            {
              "type": "null"
            }
          ],
          "default": null
        },
        "loop_powered": {
          "anyOf": [
            {
              "type": "boolean"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Loop Powered"
        },
        "external_powered": {
          "anyOf": [
            {
              "type": "boolean"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "External Powered"
        },
        "nominal_voltage_v": {
          "anyOf": [
            {
              "exclusiveMinimum": 0,
              "type": "number"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Nominal Voltage V"
        },
        "isolation_required": {
          "default": false,
          "title": "Isolation Required",
          "type": "boolean"
        }
      },
      "title": "ElectricalProfile",
      "type": "object"
    },
    "ExchangePattern": {
      "enum": [
        "cyclic",
        "polled",
        "event_driven",
        "handshake"
      ],
      "title": "ExchangePattern",
      "type": "string"
    },
    "Function": {
      "additionalProperties": false,
      "description": "Unified hierarchical function entity (\u00a77). No system/component-level split.",
      "properties": {
        "id": {
          "description": "Stable function identifier.",
          "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
          "title": "Id",
          "type": "string"
        },
        "name": {
          "description": "e.g. VFD Start/Stop (Remote).",
          "title": "Name",
          "type": "string"
        },
        "component_id": {
          "description": "ID of the component this function is allocated to, if already allocated.",
          "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
          "title": "Component Id",
          "type": "string"
        },
        "modes": {
          "description": "References to Component.modes[*].id where this function is allowed to execute.",
          "items": {
            "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
            "type": "string"
          },
          "minItems": 1,
          "title": "Modes",
          "type": "array"
        },
        "input_signals": {
          "description": "Signals consumed by the function.",
          "items": {
            "$ref": "#/$defs/Signal"
          },
          "title": "Input Signals",
          "type": "array"
        },
        "output_signals": {
          "description": "Signals produced by the function.",
          "items": {
            "$ref": "#/$defs/Signal"
          },
          "title": "Output Signals",
          "type": "array"
        },
        "parameters": {
          "description": "Typed function parameters with name and type.",
          "items": {
            "$ref": "#/$defs/Parameter"
          },
          "title": "Parameters",
          "type": "array"
        },
        "function_description": {
          "description": "Required free text describing function behavior for SI mapping. Include applicable standards and references (e.g., DNV-RP-0684 Annex A, SysML v2, or domain-specific standards) with relevant version, section, and constraint details.",
          "minLength": 1,
          "title": "Function Description",
          "type": "string"
        }
      },
      "required": [
        "id",
        "name",
        "component_id",
        "modes",
        "function_description"
      ],
      "title": "Function",
      "type": "object"
    },
    "Interface": {
      "additionalProperties": false,
      "properties": {
        "id": {
          "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
          "title": "Id",
          "type": "string"
        },
        "name": {
          "title": "Name",
          "type": "string"
        },
        "from_ref": {
          "$ref": "#/$defs/SystemRef"
        },
        "to_ref": {
          "$ref": "#/$defs/SystemRef"
        },
        "medium": {
          "$ref": "#/$defs/InterfaceMedium"
        },
        "protocol_binding_id": {
          "anyOf": [
            {
              "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Protocol Binding Id"
        },
        "member_signals": {
          "items": {
            "$ref": "#/$defs/InterfaceSignalRef"
          },
          "title": "Member Signals",
          "type": "array"
        },
        "authority_rule_id": {
          "anyOf": [
            {
              "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Authority Rule Id"
        },
        "alarm_definition_ids": {
          "items": {
            "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
            "type": "string"
          },
          "title": "Alarm Definition Ids",
          "type": "array"
        },
        "physical_link": {
          "anyOf": [
            {
              "$ref": "#/$defs/PhysicalLinkProfile"
            },
            {
              "type": "null"
            }
          ],
          "default": null
        },
        "lifecycle_state": {
          "$ref": "#/$defs/LifecycleState",
          "default": "active"
        },
        "deprecated_at": {
          "anyOf": [
            {
              "format": "date",
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Deprecated At"
        },
        "sunset_at": {
          "anyOf": [
            {
              "format": "date",
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Sunset At"
        },
        "replaced_by": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Replaced By"
        },
        "purpose": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Purpose"
        },
        "installation_notes": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Installation Notes"
        }
      },
      "required": [
        "id",
        "name",
        "from_ref",
        "to_ref",
        "medium"
      ],
      "title": "Interface",
      "type": "object"
    },
    "InterfaceMedium": {
      "enum": [
        "hardwired",
        "serial",
        "network",
        "wireless"
      ],
      "title": "InterfaceMedium",
      "type": "string"
    },
    "InterfaceSignalRef": {
      "additionalProperties": false,
      "properties": {
        "function_no": {
          "minimum": 1,
          "title": "Function No",
          "type": "integer"
        },
        "signal_id": {
          "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
          "title": "Signal Id",
          "type": "string"
        }
      },
      "required": [
        "function_no",
        "signal_id"
      ],
      "title": "InterfaceSignalRef",
      "type": "object"
    },
    "LifecycleState": {
      "enum": [
        "active",
        "deprecated",
        "withdrawn"
      ],
      "title": "LifecycleState",
      "type": "string"
    },
    "Lineage": {
      "additionalProperties": false,
      "properties": {
        "signal_ref": {
          "$ref": "#/$defs/LineageSignalRef"
        },
        "hops": {
          "items": {
            "$ref": "#/$defs/TransformationHop"
          },
          "minItems": 1,
          "title": "Hops",
          "type": "array"
        }
      },
      "required": [
        "signal_ref",
        "hops"
      ],
      "title": "Lineage",
      "type": "object"
    },
    "LineageSignalRef": {
      "additionalProperties": false,
      "properties": {
        "function_no": {
          "minimum": 1,
          "title": "Function No",
          "type": "integer"
        },
        "signal_id": {
          "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
          "title": "Signal Id",
          "type": "string"
        }
      },
      "required": [
        "function_no",
        "signal_id"
      ],
      "title": "LineageSignalRef",
      "type": "object"
    },
    "LinearMapping": {
      "additionalProperties": false,
      "properties": {
        "kind": {
          "const": "linear",
          "default": "linear",
          "title": "Kind",
          "type": "string"
        },
        "raw": {
          "$ref": "#/$defs/RangeEndpoint"
        },
        "physical": {
          "$ref": "#/$defs/RangeEndpoint"
        },
        "ramp": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Ramp"
        }
      },
      "required": [
        "raw",
        "physical"
      ],
      "title": "LinearMapping",
      "type": "object"
    },
    "LogicType": {
      "enum": [
        "sourcing",
        "sinking",
        "differential",
        "isolated"
      ],
      "title": "LogicType",
      "type": "string"
    },
    "ModbusAddressing": {
      "additionalProperties": false,
      "properties": {
        "kind": {
          "const": "modbus",
          "default": "modbus",
          "title": "Kind",
          "type": "string"
        },
        "register_type": {
          "title": "Register Type",
          "type": "string"
        },
        "start": {
          "maximum": 65535,
          "minimum": 1,
          "title": "Start",
          "type": "integer"
        },
        "count": {
          "maximum": 2000,
          "minimum": 1,
          "title": "Count",
          "type": "integer"
        },
        "bit_offset": {
          "anyOf": [
            {
              "maximum": 15,
              "minimum": 0,
              "type": "integer"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Bit Offset"
        }
      },
      "required": [
        "register_type",
        "start",
        "count"
      ],
      "title": "ModbusAddressing",
      "type": "object"
    },
    "Mode": {
      "additionalProperties": false,
      "description": "Vendor-defined component mode definition, referenced by functions.",
      "properties": {
        "id": {
          "description": "Stable mode key such as remote or power.",
          "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
          "title": "Id",
          "type": "string"
        },
        "name": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "Display label.",
          "title": "Name"
        },
        "description": {
          "description": "Required free-text semantics for the mode.",
          "minLength": 1,
          "title": "Description",
          "type": "string"
        }
      },
      "required": [
        "id",
        "description"
      ],
      "title": "Mode",
      "type": "object"
    },
    "ModeDefinition": {
      "additionalProperties": false,
      "properties": {
        "id": {
          "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
          "title": "Id",
          "type": "string"
        },
        "mode": {
          "$ref": "#/$defs/OperatingMode"
        },
        "description": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Description"
        }
      },
      "required": [
        "id",
        "mode"
      ],
      "title": "ModeDefinition",
      "type": "object"
    },
    "Module": {
      "additionalProperties": false,
      "properties": {
        "id": {
          "description": "Unique within the parent component.",
          "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
          "title": "Id",
          "type": "string"
        },
        "name": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "e.g. Main, Backup, ACU, HPS.",
          "title": "Name"
        },
        "description": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "Free text description.",
          "title": "Description"
        }
      },
      "required": [
        "id"
      ],
      "title": "Module",
      "type": "object"
    },
    "NMEA0183Addressing": {
      "additionalProperties": false,
      "properties": {
        "kind": {
          "const": "nmea0183",
          "default": "nmea0183",
          "title": "Kind",
          "type": "string"
        },
        "sentence": {
          "pattern": "^[A-Z]{5}$",
          "title": "Sentence",
          "type": "string"
        },
        "field": {
          "anyOf": [
            {
              "maximum": 99,
              "minimum": 1,
              "type": "integer"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Field"
        }
      },
      "required": [
        "sentence"
      ],
      "title": "NMEA0183Addressing",
      "type": "object"
    },
    "NMEA2000Addressing": {
      "additionalProperties": false,
      "properties": {
        "kind": {
          "const": "nmea2000",
          "default": "nmea2000",
          "title": "Kind",
          "type": "string"
        },
        "pgn": {
          "maximum": 262143,
          "minimum": 0,
          "title": "Pgn",
          "type": "integer"
        },
        "source_address": {
          "anyOf": [
            {
              "maximum": 255,
              "minimum": 0,
              "type": "integer"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Source Address"
        }
      },
      "required": [
        "pgn"
      ],
      "title": "NMEA2000Addressing",
      "type": "object"
    },
    "NetworkProfile": {
      "additionalProperties": false,
      "properties": {
        "segment_id": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Segment Id"
        },
        "vlan_id": {
          "anyOf": [
            {
              "maximum": 4094,
              "minimum": 1,
              "type": "integer"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Vlan Id"
        },
        "security_zone": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Security Zone"
        },
        "gateway_id": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Gateway Id"
        },
        "redundancy_role": {
          "$ref": "#/$defs/RedundancyRole",
          "default": "none"
        },
        "security_mode": {
          "$ref": "#/$defs/SecurityMode",
          "default": "none"
        },
        "auth_profile": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Auth Profile"
        },
        "time_sync_source": {
          "$ref": "#/$defs/TimeSyncSource",
          "default": "none"
        },
        "timestamp_quality_required": {
          "default": false,
          "title": "Timestamp Quality Required",
          "type": "boolean"
        }
      },
      "title": "NetworkProfile",
      "type": "object"
    },
    "OPCUAAddressing": {
      "additionalProperties": false,
      "properties": {
        "kind": {
          "const": "opcua",
          "default": "opcua",
          "title": "Kind",
          "type": "string"
        },
        "node_id": {
          "pattern": "^ns=\\d+;[isgb]=.+$",
          "title": "Node Id",
          "type": "string"
        },
        "browse_path": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Browse Path"
        }
      },
      "required": [
        "node_id"
      ],
      "title": "OPCUAAddressing",
      "type": "object"
    },
    "OperatingMode": {
      "enum": [
        "local",
        "remote",
        "auto",
        "manual",
        "degraded",
        "emergency"
      ],
      "title": "OperatingMode",
      "type": "string"
    },
    "Parameter": {
      "additionalProperties": false,
      "description": "Typed parameter entry on a function.",
      "properties": {
        "name": {
          "title": "Name",
          "type": "string"
        },
        "type": {
          "title": "Type",
          "type": "string"
        }
      },
      "required": [
        "name",
        "type"
      ],
      "title": "Parameter",
      "type": "object"
    },
    "Party": {
      "additionalProperties": false,
      "properties": {
        "id": {
          "description": "Stable cross-reference id.",
          "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
          "title": "Id",
          "type": "string"
        },
        "name": {
          "description": "Display name.",
          "title": "Name",
          "type": "string"
        },
        "kind": {
          "$ref": "#/$defs/PartyKind",
          "default": "vendor",
          "description": "Defaults to vendor; also supports integrator, shipowner, shipyard, analytics_provider, class_society, operator."
        },
        "role": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "Project-specific role text.",
          "title": "Role"
        },
        "contact": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "Contact channel.",
          "title": "Contact"
        }
      },
      "required": [
        "id",
        "name"
      ],
      "title": "Party",
      "type": "object"
    },
    "PartyKind": {
      "enum": [
        "vendor",
        "integrator",
        "shipyard",
        "shipowner",
        "class_society",
        "analytics_provider",
        "operator"
      ],
      "title": "PartyKind",
      "type": "string"
    },
    "PhysicalLinkProfile": {
      "additionalProperties": false,
      "properties": {
        "electrical": {
          "$ref": "#/$defs/ElectricalProfile"
        },
        "connector": {
          "$ref": "#/$defs/ConnectorProfile"
        },
        "cable": {
          "$ref": "#/$defs/CableProfile"
        },
        "redundancy_role": {
          "$ref": "#/$defs/RedundancyRole",
          "default": "none"
        },
        "marshalling_location": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Marshalling Location"
        }
      },
      "required": [
        "electrical",
        "connector",
        "cable"
      ],
      "title": "PhysicalLinkProfile",
      "type": "object"
    },
    "Port": {
      "additionalProperties": false,
      "description": "First-class interface endpoint on a Component (\u00a76).",
      "properties": {
        "id": {
          "description": "Vendor specific identification of the port, e.g. 'DI01'. Unique within parent component.",
          "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
          "title": "Id",
          "type": "string"
        },
        "direction": {
          "$ref": "#/$defs/PortDirection",
          "description": "in, out, or undefined."
        },
        "module_id": {
          "anyOf": [
            {
              "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "Optional owning module. If set, it must exist in Component.modules[*].id.",
          "title": "Module Id"
        },
        "terminals": {
          "description": "Physical terminal mapping.",
          "items": {
            "type": "string"
          },
          "title": "Terminals",
          "type": "array"
        },
        "port_type": {
          "anyOf": [
            {
              "$ref": "#/$defs/PortType"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "Required when direction=out; optional for in and undefined."
        },
        "protocol": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "Required when direction=out; optional for in and undefined.",
          "title": "Protocol"
        },
        "attributes": {
          "additionalProperties": true,
          "description": "Extensible key-value metadata (e.g. actUpon).",
          "title": "Attributes",
          "type": "object"
        }
      },
      "required": [
        "id",
        "direction"
      ],
      "title": "Port",
      "type": "object"
    },
    "PortDirection": {
      "enum": [
        "in",
        "out",
        "undefined"
      ],
      "title": "PortDirection",
      "type": "string"
    },
    "PortType": {
      "enum": [
        "signal",
        "can_tc",
        "analog",
        "resistor",
        "4-20mA",
        "0-10V",
        "serial",
        "network"
      ],
      "title": "PortType",
      "type": "string"
    },
    "ProjectMeta": {
      "additionalProperties": false,
      "properties": {
        "project_id": {
          "description": "Stable project key, e.g. eps_demo.",
          "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
          "title": "Project Id",
          "type": "string"
        },
        "project_name": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "Human-readable project title.",
          "title": "Project Name"
        },
        "schema_version": {
          "description": "PEP 440 version string identifying the schema version this document was authored against. Must not exceed the current package version.",
          "title": "Schema Version",
          "type": "string"
        },
        "client": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "Shipyard or customer name.",
          "title": "Client"
        },
        "vessel_type": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "Vessel classification string.",
          "title": "Vessel Type"
        },
        "revision": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "Project revision label.",
          "title": "Revision"
        },
        "date": {
          "anyOf": [
            {
              "format": "date",
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "ISO-8601 date.",
          "title": "Date"
        }
      },
      "required": [
        "project_id",
        "schema_version"
      ],
      "title": "ProjectMeta",
      "type": "object"
    },
    "ProtocolBinding": {
      "additionalProperties": false,
      "properties": {
        "id": {
          "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
          "title": "Id",
          "type": "string"
        },
        "family": {
          "$ref": "#/$defs/ProtocolFamily"
        },
        "transport": {
          "$ref": "#/$defs/InterfaceMedium"
        },
        "exchange_pattern": {
          "$ref": "#/$defs/ExchangePattern"
        },
        "access_mode": {
          "$ref": "#/$defs/AccessMode",
          "default": "read"
        },
        "endpoint": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Endpoint"
        },
        "address": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Address"
        },
        "addressing": {
          "anyOf": [
            {
              "discriminator": {
                "mapping": {
                  "canopen": "#/$defs/CANopenAddressing",
                  "modbus": "#/$defs/ModbusAddressing",
                  "nmea0183": "#/$defs/NMEA0183Addressing",
                  "nmea2000": "#/$defs/NMEA2000Addressing",
                  "opcua": "#/$defs/OPCUAAddressing",
                  "vendor": "#/$defs/VendorAddressing"
                },
                "propertyName": "kind"
              },
              "oneOf": [
                {
                  "$ref": "#/$defs/ModbusAddressing"
                },
                {
                  "$ref": "#/$defs/CANopenAddressing"
                },
                {
                  "$ref": "#/$defs/NMEA0183Addressing"
                },
                {
                  "$ref": "#/$defs/NMEA2000Addressing"
                },
                {
                  "$ref": "#/$defs/OPCUAAddressing"
                },
                {
                  "$ref": "#/$defs/VendorAddressing"
                }
              ]
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Addressing"
        },
        "update_ms": {
          "anyOf": [
            {
              "minimum": 1,
              "type": "integer"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Update Ms"
        },
        "timeout_ms": {
          "anyOf": [
            {
              "minimum": 1,
              "type": "integer"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Timeout Ms"
        },
        "quality_on_timeout": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Quality On Timeout"
        },
        "command_contract": {
          "anyOf": [
            {
              "$ref": "#/$defs/CommandContract"
            },
            {
              "type": "null"
            }
          ],
          "default": null
        },
        "network_profile": {
          "anyOf": [
            {
              "$ref": "#/$defs/NetworkProfile"
            },
            {
              "type": "null"
            }
          ],
          "default": null
        },
        "notes": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Notes"
        }
      },
      "required": [
        "id",
        "family",
        "transport",
        "exchange_pattern"
      ],
      "title": "ProtocolBinding",
      "type": "object"
    },
    "ProtocolFamily": {
      "enum": [
        "modbus_rtu",
        "modbus_tcp",
        "canopen",
        "nmea0183",
        "nmea2000",
        "opcua",
        "profinet",
        "ethernet_ip",
        "vendor_specific"
      ],
      "title": "ProtocolFamily",
      "type": "string"
    },
    "RangeEndpoint": {
      "additionalProperties": false,
      "properties": {
        "low": {
          "title": "Low",
          "type": "number"
        },
        "high": {
          "title": "High",
          "type": "number"
        },
        "unit": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Unit"
        }
      },
      "required": [
        "low",
        "high"
      ],
      "title": "RangeEndpoint",
      "type": "object"
    },
    "RedundancyRole": {
      "enum": [
        "none",
        "primary",
        "secondary",
        "dual_homed"
      ],
      "title": "RedundancyRole",
      "type": "string"
    },
    "SecurityMode": {
      "enum": [
        "none",
        "tls",
        "dtls",
        "vpn"
      ],
      "title": "SecurityMode",
      "type": "string"
    },
    "Signal": {
      "additionalProperties": false,
      "description": "Project-level signal definition (\u00a79).",
      "properties": {
        "id": {
          "description": "Stable signal identifier.",
          "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
          "title": "Id",
          "type": "string"
        },
        "name": {
          "description": "Vendor-neutral logical name.",
          "title": "Name",
          "type": "string"
        },
        "signal_type": {
          "$ref": "#/$defs/SignalType",
          "description": "digital, analog, can, i2c, 1-wire, uart."
        },
        "category": {
          "$ref": "#/$defs/SignalCategory",
          "description": "command, permission_interlock, feedback, safety, mode, monitoring."
        },
        "subtype": {
          "description": "E.g. nc, no, pulse.",
          "items": {
            "type": "string"
          },
          "title": "Subtype",
          "type": "array"
        },
        "processing": {
          "anyOf": [
            {
              "$ref": "#/$defs/SignalProcessing"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "filtered, delay, moving_average."
        },
        "attributes": {
          "additionalProperties": true,
          "description": "scaling, sampling, fail-safe, redundancy, sync/async, compatibility.",
          "title": "Attributes",
          "type": "object"
        },
        "value_mapping": {
          "anyOf": [
            {
              "discriminator": {
                "mapping": {
                  "discrete": "#/$defs/DiscreteMapping",
                  "linear": "#/$defs/LinearMapping"
                },
                "propertyName": "kind"
              },
              "oneOf": [
                {
                  "$ref": "#/$defs/DiscreteMapping"
                },
                {
                  "$ref": "#/$defs/LinearMapping"
                }
              ]
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "Optional raw/physical mapping.",
          "title": "Value Mapping"
        },
        "vendor_io_mappings": {
          "description": "Per-vendor IO tag bindings (party_id, item, direction, terminals).",
          "items": {
            "$ref": "#/$defs/VendorIOMapping"
          },
          "title": "Vendor Io Mappings",
          "type": "array"
        },
        "assumed": {
          "default": false,
          "description": "Mark inferred values (true) vs. values extracted from vendor documentation.",
          "title": "Assumed",
          "type": "boolean"
        },
        "source_doc_ref": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "Provenance pointer to the source document or datasheet.",
          "title": "Source Doc Ref"
        },
        "notes": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "Free-text notes.",
          "title": "Notes"
        }
      },
      "required": [
        "id",
        "name",
        "signal_type",
        "category"
      ],
      "title": "Signal",
      "type": "object"
    },
    "SignalCategory": {
      "enum": [
        "command",
        "permission_interlock",
        "feedback",
        "safety",
        "mode",
        "monitoring"
      ],
      "title": "SignalCategory",
      "type": "string"
    },
    "SignalProcessing": {
      "additionalProperties": false,
      "properties": {
        "filtered": {
          "default": false,
          "title": "Filtered",
          "type": "boolean"
        },
        "delay_ms": {
          "anyOf": [
            {
              "minimum": 0,
              "type": "number"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Delay Ms"
        },
        "moving_average_window": {
          "anyOf": [
            {
              "minimum": 1,
              "type": "integer"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Moving Average Window"
        }
      },
      "title": "SignalProcessing",
      "type": "object"
    },
    "SignalType": {
      "enum": [
        "digital",
        "analog",
        "can",
        "i2c",
        "1-wire",
        "uart"
      ],
      "title": "SignalType",
      "type": "string"
    },
    "System": {
      "additionalProperties": false,
      "properties": {
        "id": {
          "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
          "title": "Id",
          "type": "string"
        },
        "name": {
          "title": "Name",
          "type": "string"
        },
        "vendor": {
          "anyOf": [
            {
              "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "References parties[*].id where kind=vendor.",
          "title": "Vendor"
        },
        "modules": {
          "items": {
            "$ref": "#/$defs/Module"
          },
          "title": "Modules",
          "type": "array"
        }
      },
      "required": [
        "id",
        "name"
      ],
      "title": "System",
      "type": "object"
    },
    "SystemRef": {
      "additionalProperties": false,
      "properties": {
        "system_id": {
          "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
          "title": "System Id",
          "type": "string"
        },
        "module_id": {
          "anyOf": [
            {
              "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Module Id"
        }
      },
      "required": [
        "system_id"
      ],
      "title": "SystemRef",
      "type": "object"
    },
    "TimeSyncSource": {
      "enum": [
        "none",
        "ntp",
        "ptp",
        "gps"
      ],
      "title": "TimeSyncSource",
      "type": "string"
    },
    "TransformationHop": {
      "additionalProperties": false,
      "properties": {
        "step": {
          "minimum": 1,
          "title": "Step",
          "type": "integer"
        },
        "actor": {
          "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
          "title": "Actor",
          "type": "string"
        },
        "rule": {
          "$ref": "#/$defs/TransformationRule"
        },
        "rule_params": {
          "additionalProperties": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "integer"
              },
              {
                "type": "number"
              },
              {
                "type": "boolean"
              }
            ]
          },
          "title": "Rule Params",
          "type": "object"
        },
        "input_contract": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Input Contract"
        },
        "output_contract": {
          "title": "Output Contract",
          "type": "string"
        },
        "lifecycle_state": {
          "$ref": "#/$defs/LifecycleState",
          "default": "active"
        },
        "deprecated_at": {
          "anyOf": [
            {
              "format": "date",
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Deprecated At"
        },
        "sunset_at": {
          "anyOf": [
            {
              "format": "date",
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Sunset At"
        },
        "replaced_by_contract": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Replaced By Contract"
        }
      },
      "required": [
        "step",
        "actor",
        "rule",
        "output_contract"
      ],
      "title": "TransformationHop",
      "type": "object"
    },
    "TransformationRule": {
      "enum": [
        "sample",
        "average",
        "derive",
        "filter",
        "threshold",
        "command",
        "passthrough"
      ],
      "title": "TransformationRule",
      "type": "string"
    },
    "VendorAddressing": {
      "additionalProperties": false,
      "properties": {
        "kind": {
          "const": "vendor",
          "default": "vendor",
          "title": "Kind",
          "type": "string"
        },
        "spec": {
          "title": "Spec",
          "type": "string"
        }
      },
      "required": [
        "spec"
      ],
      "title": "VendorAddressing",
      "type": "object"
    },
    "VendorIOMapping": {
      "additionalProperties": false,
      "properties": {
        "party_id": {
          "pattern": "^[A-Za-z0-9][A-Za-z0-9_.\\-]*$",
          "title": "Party Id",
          "type": "string"
        },
        "item": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Item"
        },
        "direction": {
          "anyOf": [
            {
              "$ref": "#/$defs/Direction"
            },
            {
              "type": "null"
            }
          ],
          "default": null
        },
        "signal_type": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Signal Type"
        },
        "terminals": {
          "items": {
            "type": "string"
          },
          "title": "Terminals",
          "type": "array"
        },
        "details": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Details"
        },
        "logic": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Logic"
        },
        "revision": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Revision"
        }
      },
      "required": [
        "party_id"
      ],
      "title": "VendorIOMapping",
      "type": "object"
    },
    "WireCount": {
      "enum": [
        "2_wire",
        "3_wire",
        "4_wire"
      ],
      "title": "WireCount",
      "type": "string"
    }
  },
  "additionalProperties": false,
  "description": "Top-level si-schema document (\u00a71).",
  "properties": {
    "artefact": {
      "anyOf": [
        {
          "$ref": "#/$defs/ArtifactMeta"
        },
        {
          "type": "null"
        }
      ],
      "default": null
    },
    "project": {
      "$ref": "#/$defs/ProjectMeta"
    },
    "parties": {
      "items": {
        "$ref": "#/$defs/Party"
      },
      "title": "Parties",
      "type": "array"
    },
    "components": {
      "items": {
        "$ref": "#/$defs/Component"
      },
      "title": "Components",
      "type": "array"
    },
    "connections": {
      "items": {
        "$ref": "#/$defs/Connection"
      },
      "title": "Connections",
      "type": "array"
    },
    "functions": {
      "items": {
        "$ref": "#/$defs/Function"
      },
      "title": "Functions",
      "type": "array"
    },
    "signals": {
      "items": {
        "$ref": "#/$defs/Signal"
      },
      "title": "Signals",
      "type": "array"
    },
    "glossary": {
      "additionalProperties": {
        "type": "string"
      },
      "title": "Glossary",
      "type": "object"
    },
    "systems": {
      "items": {
        "$ref": "#/$defs/System"
      },
      "title": "Systems",
      "type": "array"
    },
    "protocol_bindings": {
      "items": {
        "$ref": "#/$defs/ProtocolBinding"
      },
      "title": "Protocol Bindings",
      "type": "array"
    },
    "mode_definitions": {
      "items": {
        "$ref": "#/$defs/ModeDefinition"
      },
      "title": "Mode Definitions",
      "type": "array"
    },
    "authority_rules": {
      "items": {
        "$ref": "#/$defs/AuthorityRule"
      },
      "title": "Authority Rules",
      "type": "array"
    },
    "alarm_definitions": {
      "items": {
        "$ref": "#/$defs/AlarmDefinition"
      },
      "title": "Alarm Definitions",
      "type": "array"
    },
    "interfaces": {
      "items": {
        "$ref": "#/$defs/Interface"
      },
      "title": "Interfaces",
      "type": "array"
    },
    "acceptance_cases": {
      "items": {
        "$ref": "#/$defs/AcceptanceCase"
      },
      "title": "Acceptance Cases",
      "type": "array"
    },
    "lineages": {
      "items": {
        "$ref": "#/$defs/Lineage"
      },
      "title": "Lineages",
      "type": "array"
    }
  },
  "required": [
    "project"
  ],
  "title": "SISchema",
  "type": "object",
  "$id": "https://dnv-opensource.github.io/si-schema/si_schema.schema.json",
  "version": "0.1.0"
}