{
    "action": "tool_call",
    "reasoning": "I will check for duplicates on the primary key (user_id) and test for logical inconsistencies between columns, such as sleep percentages exceeding 100% or sleep latency exceeding total sleep time.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT \n  COUNT(*) as total_rows,\n  COUNT(DISTINCT user_id) as distinct_users,\n  SUM(CASE WHEN deep_sleep_pct + rem_sleep_pct > 100 THEN 1 ELSE 0 END) as impossible_sleep_pct,\n  SUM(CASE WHEN sleep_latency_min > total_sleep_hours * 60 THEN 1 ELSE 0 END) as latency_exceeds_sleep\nFROM raw.bedtime_screentime_sleep_debt",
        "purpose": "Check for duplicates and logical inconsistencies",
        "source": "raw"
    }
}