run method
The two logits, benign and injection, of ids: <bos>, at most 2046
tokens, and <eos>. The graph takes int64; web has no Int64List, so
each backend converts.
Implementation
@override
Future<Float32List> run(Int32List ids) async =>
(await _runJs(_engineId.toJS, ids.toJS).toDart).toDart;