fix: Ads Meta conv/CPL = Clientes potenciales (sin sumar acciones solapadas)

Las creatividades inflaban ~3× al sumar lead + lead_grouped + registration.

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

src/components/AdTrackerClient.tsx

@@ -123,12 +123,20 @@ function aggregate(rows: AdDailyRow[]): PlatformKpis {
   const impressions = active.reduce((a, r) => a + Number(r.impressions || 0), 0);
   const clicks = active.reduce((a, r) => a + Number(r.clicks || 0), 0);
   const conversions = active.reduce((a, r) => a + convOf(r), 0);
+  // Round once after sum (Ads Manager style; Google stores fractional daily).
+  const conversionsRounded = Math.round(conversions * 100) / 100;
   const ads = new Set(
     active
       .map((r) => String(r.ad_id || campaignName(r) || '').trim())
       .filter((n) => n && n !== 'Sin nombre')
   ).size;
-  return rates({ spend, impressions, clicks, conversions, ads });
+  return rates({
+    spend,
+    impressions,
+    clicks,
+    conversions: Math.round(conversionsRounded),
+    ads,
+  });
 }
 
 function byCampaign(rows: AdDailyRow[]): CampaignRow[] {
@@ -161,6 +169,7 @@ function byCampaign(rows: AdDailyRow[]): CampaignRow[] {
   return [...map.values()]
     .map((c) => ({
       ...c,
+      conversions: Math.round(c.conversions * 100) / 100,
       cpl: c.conversions > 0 ? c.spend / c.conversions : null,
     }))
     .sort((a, b) => b.spend - a.spend);