Merge pull request 'feat(ui): birleşik metrik hesaplaması ekle' (#4) from deployment-dev into master

Reviewed-on: #4

frontend/src/pages/HomePage.tsx

@@ -150,7 +150,24 @@ export function HomePage() {
       .slice(0, 10);
   }, [mergedRuns, deployRuns]);
 
-  const lastRunDuration = useMemo(() => formatDuration(mergedRuns[0]?.durationMs), [mergedRuns]);
+  const combinedTotals = useMemo(() => {
+    const jobSuccess = metrics?.dailyStats.reduce((acc, d) => acc + (d.success || 0), 0) ?? 0;
+    const jobTotal = metrics?.dailyStats.reduce((acc, d) => acc + (d.total || 0), 0) ?? 0;
+    const deploySuccess =
+      deploymentMetrics?.dailyStats.reduce((acc, d) => acc + (d.success || 0), 0) ?? 0;
+    const deployTotal =
+      deploymentMetrics?.dailyStats.reduce((acc, d) => acc + (d.total || 0), 0) ?? 0;
+    const totalRuns = jobTotal + deployTotal;
+    const successRate = totalRuns
+      ? Math.round(((jobSuccess + deploySuccess) / totalRuns) * 100)
+      : 0;
+    return { totalRuns, successRate };
+  }, [metrics, deploymentMetrics]);
+
+  const lastRunDuration = useMemo(() => {
+    const latest = activityItems[0];
+    return formatDuration(latest?.durationMs);
+  }, [activityItems]);
 
   return (
     <div className="grid gap-6">
@@ -163,7 +180,7 @@ export function HomePage() {
             </div>
             <div className="text-xs text-muted-foreground flex items-center gap-2">
               <FontAwesomeIcon icon={faClockRotateLeft} className="h-3.5 w-3.5" />
-              {metrics?.totals.totalRuns ?? 0} toplam koşu
+              {combinedTotals.totalRuns} toplam koşu
             </div>
           </CardHeader>
           <CardContent className="h-48 min-w-0">
@@ -210,13 +227,13 @@ export function HomePage() {
             <div className="flex items-center justify-between">
               <span>Başarı Oranı</span>
               <span className="text-lg font-semibold text-foreground">
-                {metrics?.totals.successRate ?? 0}%
+                {combinedTotals.successRate}%
               </span>
             </div>
             <div className="flex items-center justify-between">
               <span>Toplam Çalıştırma</span>
               <span className="text-lg font-semibold text-foreground">
-                {metrics?.totals.totalRuns ?? 0}
+                {combinedTotals.totalRuns}
               </span>
             </div>
             <div className="flex items-center justify-between">