feat(eval): add zero-shot text classification evaluator#386
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Closed by mistake — replaced by #387. |
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Resolves #325.
Adds
WinMLZeroShotClassificationEvaluator, registered under thezero-shot-classificationtask, with a pipeline subclass that pads tomax_lengthfor static-shape ONNX.Accuracy and macro-F1 are computed via a new
ClassificationMetric, since HF evaluate has no wrapper for this task.Default dataset is AG News; an E2E entry for
MoritzLaurer/DeBERTa-v3-base-mnli-fever-anliis included.Unit tests cover the evaluator and the metric. An integration test (slow/network) runs end-to-end on DistilBERT, RoBERTa, and DeBERTa NLI checkpoints.