This is the centrepiece of the board pack. Tunde will present this on a large screen at the board meeting. Build the complete executive dashboard: a title banner, six KPI cards with trend arrows (Revenue YTD, YoY Growth %, Gross Margin %, New Customers, Retention Rate, Avg Order Value), a 12-month revenue and margin trend chart, top 5 and bottom 5 stores side by side, a cohort retention heatmap, and an inventory health indicator. 1920x1080 canvas, Meridian theme throughout.