{
    "action": "tool_call",
    "reasoning": "My earlier draft cited profiling numbers, but none are in the evidence for this turn. I'll re-run the key check, whether sleep_debt_category follows total_sleep_hours, so the answer is backed by a real result.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT sleep_debt_category, COUNT(*) AS n, MIN(total_sleep_hours) AS min_sleep_hours, MAX(total_sleep_hours) AS max_sleep_hours, AVG(total_sleep_hours) AS avg_sleep_hours FROM raw.bedtime_screentime_sleep_debt GROUP BY sleep_debt_category ORDER BY min_sleep_hours",
        "purpose": "Check whether sleep_debt_category maps cleanly to total_sleep_hours ranges",
        "source": "raw"
    }
}