[
  {"op": "doc", "text": "attempt to author genuinely-new logic as data: a node type that is not in the closed vocabulary"},
  {"op": "source", "role": "price", "kind": "F64"},
  {"op": "add", "type": "my_lab::ThirdCandle", "name": "tc"},
  {"op": "feed", "role": "price", "into": ["tc.series"]},
  {"op": "add", "type": "Bias", "name": "bias", "bind": {"scale": {"F64": 1.0}}},
  {"op": "connect", "from": "tc.value", "to": "bias.signal"},
  {"op": "expose", "from": "bias.bias", "as": "bias"}
]