loadLearnedVectors function ✓ 100.0%

async function loadLearnedVectors(): Promise<void> {
  if (!_pretrained) return;
  try {
    const entries = await getLearnedEntries();
    _learnedVectors = entries
      .map((entry) => {
        const featureText = buildFeatureText(fromFlatSignals(entry.signals), {
          category: inferCategoryFromType(entry.type),
          language: inferLanguageFromSignals(entry.signals),
        });

        return {
          vector: vectorize(featureText, _pretrained!.vocab),
          type: entry.type,
        };
      })
      .filter((e) => e.vector.some((v) => v > 0));
    log.debug(
      TF_MESSAGES.learnedVectors.summary(
        entries.length,
        _learnedVectors.length,
      ),
    );
  } catch (err) {
    log.warn(TF_MESSAGES.learnedVectors.failed, err);
    _learnedVectors = [];
  }
}