{
    "action": "tool_call",
    "reasoning": "I need to see the remaining 9 columns (31-39) to identify all numeric metrics. The card shows AESTDY and AEENDY as VARCHAR but with ~149 and ~157 distinct values respectively, suggesting they contain numeric day values. I should inspect these specific columns plus any others not yet shown to understand the full set of numeric metrics available.",
    "tool": "inspect_columns",
    "args": {
        "table": "ae",
        "columns": [
            "AEDTC",
            "AESTDTC",
            "AEENDTC",
            "AESTDY",
            "AEENDY",
            "_ingestion_timestamp",
            "_batch_id",
            "_source_file",
            "_source_system"
        ]
    }
}