- Change orders fetch from "today" filter to "all" so KPIs show actual data - Add date range presets (Hôm nay / 7 ngày / 30 ngày / Tất cả) - Add weekly period tab to revenue chart - Display filtered recent orders based on selected period Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>