{
  "id": "batch_abc123def456",
  "name": "Daily fact check",
  "inputFormat": "json",
  "originalFileName": null,
  "status": "completed",
  "totalItems": 50,
  "processedItems": 50,
  "successCount": 48,
  "failureCount": 2,
  "methodsConfig": {
    "reasoning": 1,
    "tool": 0.5
  },
  "context": {
    "source": "news-aggregator"
  },
  "totalCostCents": 250,
  "totalInputTokens": 12500,
  "totalOutputTokens": 8700,
  "errorMessage": null,
  "validationErrors": null,
  "createdAt": "2024-01-15T10:00:00Z",
  "startedAt": "2024-01-15T10:00:01Z",
  "completedAt": "2024-01-15T10:02:30Z",
  "expiresAt": "2024-02-14T10:00:00Z"
}

{
  "id": "batch_xyz789",
  "name": "Article verification",
  "status": "processing",
  "totalItems": 100,
  "processedItems": 45,
  "successCount": 44,
  "failureCount": 1,
  "completedAt": null
  // ... other fields
}

{
  "id": "batch_failed123",
  "status": "failed",
  "totalItems": 10,
  "processedItems": 0,
  "errorMessage": "3 validation error(s)",
  "validationErrors": [
    { "row": 1, "error": "Content is required" },
    { "row": 5, "error": "Content exceeds maximum length" },
    { "row": 8, "error": "Content is required" }
  ]
  // ... other fields
}

{
  "error": {
    "code": "not_found",
    "message": "Batch not found"
  }
}

async function waitForBatch(client, batchId, intervalMs = 2000) {
  while (true) {
    const batch = await client.getBatch(batchId);

    if (batch.status === 'completed' || batch.status === 'failed' || batch.status === 'cancelled') {
      return batch;
    }

    console.log(`Progress: ${batch.processedItems}/${batch.totalItems}`);
    await new Promise(resolve => setTimeout(resolve, intervalMs));
  }
}