xnurta-weekly-ads-report

Generate a weekly ad performance recap report for ads ops / customer-facing teams to use every Monday. Includes a KPI card (with WoW comparison), 7-day trend, anomaly summary, top-mover lists, and next-week action recommendations. Use when the user says "出个周报", "周复盘", "上周表现如何", "weekly report". Not for monthly/quarterly reports (use xnurta-monthly-ads-report / quarterly-ads-report, not yet built), nor for deep-dive…