<invoke name="tool_call"> <parameter name="reasoning">Check derived category consistency with total_sleep_hours and the tail of sleep_latency, plus duplicate-like checks.</parameter> <parameter name="tool">query_sql</parameter> <parameter name="args">{"sql":"SELECT sleep_debt_category, COUNT(*) AS n, MIN(total_sleep_hours) AS min_h, MAX(total_sleep_hours) AS max_h, AVG(sleep_latency_min) AS avg_lat, MAX(sleep_latency_min) AS max_lat, QUANTILE_CONT(sleep_latency_min,0.99) AS p99_lat, SUM(CASE WHEN sleep_latency_min>90 THEN 1 ELSE 0 END) AS lat_over90, SUM(CASE WHEN total_sleep_hours<4 THEN 1 ELSE 0 END) AS under4h, SUM(CASE WHEN caffeine_post_5pm_mg=0 THEN 1 ELSE 0 END) AS zero_caf, SUM(CASE WHEN user_id<>TRIM(user_id) THEN 1 ELSE 0 END) AS ws_ids FROM raw.bedtime_screentime_sleep_debt GROUP BY sleep_debt_category ORDER BY min_h","purpose":"Validate derived category against hours and look at outlier tails","source":"raw"}</parameter> </invoke>