seedBuiltinDataset function presentation

async function seedBuiltinDataset(): Promise<{
  success: boolean;
  added: number;
}> {
  const { TRAINING_SAMPLES } = await import("@/lib/dataset/training-data");
  const { buildFeatureText } = await import("@/lib/shared/structured-signals");
  const seeds = TRAINING_SAMPLES.map((sample) => ({
    signals: buildFeatureText(sample.signals, {
      category: sample.category,
      language: sample.language,
      domFeatures: sample.domFeatures,
    }),
    type: sample.type,
    source: "builtin" as const,
    difficulty: sample.difficulty,
  }));
  const result = (await chrome.runtime.sendMessage({
    type: "IMPORT_DATASET",
    payload: seeds,
  })) as { success: boolean; added: number };
  return result;
}