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/lib/ads-sync.ts

@@ -2,6 +2,7 @@
 
 import { serviceHeaders, supabaseUrl } from '@/lib/agency';
 import { resolveMetaAccessToken } from '@/lib/ads-discovery';
+import { leadFromMetaActions, nMeta } from '@/lib/meta-leads';
 
 const META_GRAPH = 'https://graph.facebook.com/v21.0';
 const GADS_API = 'https://googleads.googleapis.com/v22';
@@ -55,10 +56,7 @@ type AdDailyInsert = {
   platform_leads: number;
 };
 
-function n(v: unknown): number {
-  const x = Number(v);
-  return Number.isFinite(x) ? x : 0;
-}
+const n = nMeta;
 
 function isoWeekMonday(d: Date): string {
   const x = new Date(Date.UTC(d.getUTCFullYear(), d.getUTCMonth(), d.getUTCDate()));
@@ -67,19 +65,6 @@ function isoWeekMonday(d: Date): string {
   return x.toISOString().slice(0, 10);
 }
 
-function leadFromMetaActions(
-  actions?: { action_type?: string; value?: string }[]
-): number {
-  if (!actions?.length) return 0;
-  // Exact Ads Manager «Clientes potenciales» for Meta Leads CRM campaigns.
-  // Do not fall back to lead / lead_grouped / pixel — those inflate past the
-  // Ads Manager period total when mixed with registration actions.
-  const primary = actions.find(
-    (a) => a.action_type === 'offsite_complete_registration_add_meta_leads'
-  );
-  return primary ? n(primary.value) : 0;
-}
-
 async function googleAccessToken(): Promise<string> {
   const refresh =
     process.env.GOOGLE_ADS_REFRESH_TOKEN?.trim() ||