fix: previews Meta vía proxy y creatividades Google PMax/RSA

Las imágenes Meta dejan de romperse en el navegador; Google trae assets en vivo.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/app/api/ad-tracker/creatives/route.ts

@@ -5,9 +5,9 @@ import { isAgencyRole, userRole } from '@/lib/agency';
 import { AdDailyRow } from '@/lib/metrics';
 import {
   AdCreativeCard,
-  buildGoogleCardsFromDaily,
   fetchMetaCreativeCards,
 } from '@/lib/ad-creatives-meta';
+import { fetchGoogleCreativeCards } from '@/lib/ad-creatives-google';
 
 export const dynamic = 'force-dynamic';
 
@@ -73,14 +73,22 @@ export async function GET(req: NextRequest) {
       dailyRows: daily,
       since,
       until,
-      limit: 40,
+      limit: 16,
     });
     metaAds = meta.ads;
     if (meta.warning) warnings.push(meta.warning);
   }
 
   if (platform === 'google' || platform === 'all') {
-    googleAds = buildGoogleCardsFromDaily(daily, since, until, 40);
+    const google = await fetchGoogleCreativeCards({
+      tenantId: ctx.tenantId,
+      dailyRows: daily,
+      since,
+      until,
+      limit: 24,
+    });
+    googleAds = google.ads;
+    if (google.warning) warnings.push(google.warning);
   }
 
   return NextResponse.json({