fix(dashboard): DPP tags properly dynamic based on user target exam

src/app/dashboard/analytics/page.tsx

@@ -83,7 +83,7 @@ export default function AnalyticsPage() {
                   <Tooltip 
                     cursor={{fill: 'transparent'}}
                     contentStyle={{ backgroundColor: '#1f2937', borderColor: '#374151', borderRadius: '8px', color: '#fff' }}
-                    formatter={(value: number) => [`${value}% Accuracy`, 'Accuracy']}
+                    formatter={(value: any) => [`${value}% Accuracy`, 'Accuracy']}
                   />
                   <Bar dataKey="accuracy" radius={[0, 4, 4, 0]} barSize={12}>
                     {heatmapData.map((entry, index) => (