{
    "action": "tool_call",
    "reasoning": "I have metadata for 30 of 44 columns. The remaining 14 columns are likely occupation categories and technical metadata fields (_ingestion_timestamp, _batch_id, _source_file, _source_system). I need to inspect the remaining columns to complete the classification.",
    "tool": "inspect_columns",
    "args": {
        "table": "polling_on_ai_usage_jul_2026",
        "columns": [
            "Region: West",
            "Occupation: Software & IT",
            "Occupation: Managers",
            "Occupation: Business, finance & legal",
            "Occupation: Education & social services",
            "Occupation: Engineering & science",
            "Occupation: Healthcare",
            "Occupation: Sales, office/admin & creative",
            "Occupation: Manual & in-person services",
            "Occupation: Other (please specify)",
            "_ingestion_timestamp",
            "_batch_id",
            "_source_file",
            "_source_system"
        ]
    }
}