{
  "schema_version": "1.0",
  "id": "composition.coaxial_serial.two_simple_2kh",
  "version": "1.0.0",
  "composition_type": "serial_coaxial",
  "source_port_types": ["port.rotation.coaxial"],
  "target_port_types": ["port.rotation.coaxial"],
  "connection_relation": "relation.joint.rigid",
  "allowed_role_pairs": [
    {"source": "configured_stage_output", "target": "configured_next_stage_input"}
  ],
  "constraint_rules": [
    "exactly_two_simple_2k_h_stages",
    "axes_coaxial",
    "no_conflicting_fixed_members",
    "rigid_endpoint_speeds_equal",
    "axial_stack_clearance"
  ],
  "capability_refs": [
    "capability.parameter_solver.simple_2kh_cascade",
    "capability.layout.simple_2kh_cascade",
    "capability.cad.simple_2kh_cascade"
  ],
  "execution_support": {
    "level": "full",
    "legacy_family": "simple_2k_h_cascade",
    "generic_n_stage": false
  },
  "maturity": "production"
}