<invoke name="tool_call"> <parameter name="reasoning">No evidence yet in this turn; pull the gold table by primary_bedtime_app to ground the numbers before answering.</parameter> <parameter name="tool">query_sql</parameter> <parameter name="args">{"sql": "SELECT * FROM bedtime_screentime_sleep_debt_by_primary_bedtime_app", "purpose": "Per-app sleep metrics from gold table", "source": "gold"}</parameter> </invoke>