{
    "action": "tool_call",
    "reasoning": "Check whether the only true timestamp (_ingestion_timestamp) varies across load batches, since the other 'temporal' axes are usage hours, not dates.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT date_trunc('day', _ingestion_timestamp) AS ingest_day, _batch_id, _source_file, COUNT(*) AS rows_loaded FROM raw.Social_media_impact_on_life GROUP BY 1, 2, 3 ORDER BY 1, 2",
        "purpose": "Check whether _ingestion_timestamp shows any variation across load batches",
        "source": "raw"
    }
}