feat: conditionally render refresh button in ManagerWeeklySummary component

- Wrapped the refresh button in a conditional check to only display when the active view is not 'metrics', improving UI clarity and preventing unnecessary actions in the metrics view.

src/components/dashboard/ManagerWeeklySummary.tsx

@@ -53,13 +53,15 @@ export default function ManagerWeeklySummary({ initialSummary }: ManagerWeeklySu
           <h1 className="text-2xl font-bold text-[var(--foreground)]">👔 Weekly</h1>
           <p className="text-[var(--muted-foreground)]">{formatPeriod()}</p>
         </div>
-        <Button 
-          onClick={handleRefresh} 
-          variant="secondary" 
-          size="sm"
-        >
-          🔄 Actualiser
-        </Button>
+        {activeView !== 'metrics' && (
+          <Button 
+            onClick={handleRefresh} 
+            variant="secondary" 
+            size="sm"
+          >
+            🔄 Actualiser
+          </Button>
+        )}
       </div>
 
       {/* Navigation des vues */}