fix: Ads CPC con céntimos + clics enlace Meta; gráficas barras/línea con ejes

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

src/lib/ads-sync.ts

@@ -2,7 +2,7 @@
 
 import { serviceHeaders, supabaseUrl } from '@/lib/agency';
 import { resolveMetaAccessToken } from '@/lib/ads-discovery';
-import { leadFromMetaActions, nMeta } from '@/lib/meta-leads';
+import { leadFromMetaActions, linkClicksFromMetaActions, nMeta } from '@/lib/meta-leads';
 import { resolveGoogleAdsAccessToken } from '@/lib/google-ads-auth';
 
 const META_GRAPH = 'https://graph.facebook.com/v21.0';
@@ -155,7 +155,8 @@ async function fetchMetaInsightsWindow(
         ad_id: campaignId || '',
         ad_name: '',
         impressions: n(row.impressions),
-        clicks: n(row.clicks),
+        // Store link clicks so CPC = spend/clicks matches Ads Manager.
+        clicks: linkClicksFromMetaActions(row.actions, n(row.clicks)),
         spend: Math.round(n(row.spend) * 100) / 100,
         platform_leads: leadFromMetaActions(row.actions),
       });