feat: add analytics summary API, dashboard page with stats grid, and blog post detail page.

src/app/(app)/dashboard/page.tsx

@@ -218,12 +218,13 @@ export default function DashboardPage() {
           // Calculate real stats
           const totalScans = data.reduce((sum: number, qr: QRCodeData) => sum + (qr.scans || 0), 0);
           const activeQRCodes = data.filter((qr: QRCodeData) => qr.status === 'ACTIVE').length;
-          const conversionRate = activeQRCodes > 0 ? Math.round((totalScans / (activeQRCodes * 100)) * 100) : 0;
+          // Calculate "Unique Rate" (Conversion)
+          const conversionRate = totalScans > 0 ? Math.round((data.reduce((acc: number, qr: any) => acc + (qr.uniqueScans || 0), 0) / totalScans) * 100) : 0;
 
           setStats({
             totalScans,
             activeQRCodes,
-            conversionRate: Math.min(conversionRate, 100), // Cap at 100%
+            conversionRate,
           });
         } else {
           // If not logged in, show zeros