feat: implement dashboard page for QR code listing, statistics, and management.

src/app/api/qrs/route.ts

@@ -20,6 +20,10 @@ export async function GET(request: NextRequest) {
         _count: {
           select: { scans: true },
         },
+        scans: {
+          where: { isUnique: true },
+          select: { id: true },
+        },
       },
       orderBy: { createdAt: 'desc' },
     });
@@ -28,6 +32,7 @@ export async function GET(request: NextRequest) {
     const transformed = qrCodes.map(qr => ({
       ...qr,
       scans: qr._count.scans,
+      uniqueScans: qr.scans.length, // Count of scans where isUnique=true
       _count: undefined,
     }));
 
@@ -138,9 +143,9 @@ export async function POST(request: NextRequest) {
         );
       }
     }
-    
+
     let enrichedContent = body.content;
-    
+
     // For STATIC QR codes, calculate what the QR should contain
     if (isStatic) {
       let qrContent = '';
@@ -180,7 +185,7 @@ END:VCARD`;
         default:
           qrContent = body.content.url || 'https://example.com';
       }
-      
+
       // Add qrContent to the content object
       enrichedContent = {
         ...body.content,