{
  "schema_version": "1.0",
  "id": "relation.alignment.coaxial",
  "version": "1.0.0",
  "relation_type": "coaxial",
  "endpoint_rules": {
    "source_port": "port.rotation.coaxial",
    "target_port": "port.reference.axis",
    "axis_relation": "coincident"
  },
  "constraint_rules": ["axes_parallel", "axis_distance_within_tolerance"],
  "kinematic_effect": null,
  "capability_refs": ["capability.validation.coaxial"],
  "maturity": "production"
}