reports/validation_report.json

{
    "passed": true,
    "documents": 15000,
    "questions": 235000,
    "png_files": 15000,
    "missing_png": 0,
    "document_split_counts": {
        "val": 1500,
        "test": 1500,
        "train": 12000
    },
    "errors": [],
    "warnings": []
}