feat: sync Meta metrics, objetivos ppto/consecución y simulador por tenant

Rellena ad_daily desde Meta, KPIs con fallback a daily, objetivos de presupuesto vs consecución, y simulador sin TikTok anclado a métricas del cliente.

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

src/components/AdsDiscoverPanel.tsx

@@ -27,6 +27,7 @@ export default function AdsDiscoverPanel() {
   const [gadsOk, setGadsOk] = useState(false);
   const [loading, setLoading] = useState(true);
   const [running, setRunning] = useState(false);
+  const [syncing, setSyncing] = useState(false);
   const [savingToken, setSavingToken] = useState(false);
   const [metaToken, setMetaToken] = useState('');
   const [meta, setMeta] = useState<ProviderResult | null>(null);
@@ -100,6 +101,41 @@ export default function AdsDiscoverPanel() {
     setRunning(false);
   }
 
+  async function syncMetrics() {
+    setSyncing(true);
+    setErr(null);
+    setMsg(null);
+    const res = await fetch('/api/admin/ads/sync', {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({ days: 30 }),
+    });
+    const data = await res.json();
+    if (!res.ok) {
+      setErr(data.error || 'Sync falló');
+    } else {
+      const parts = (data.results || [])
+        .filter(
+          (r: { metaRows?: number; googleRows?: number }) =>
+            (r.metaRows || 0) + (r.googleRows || 0) > 0
+        )
+        .map(
+          (r: {
+            tenantName: string;
+            metaRows: number;
+            googleRows: number;
+          }) =>
+            `${r.tenantName}: M${r.metaRows}/G${r.googleRows}`
+        );
+      setMsg(
+        `Métricas sincronizadas (${data.synced || 0} clientes, ${data.days || 30}d)` +
+          (parts.length ? ` · ${parts.slice(0, 6).join(' · ')}` : '') +
+          (data.withErrors ? ` · ${data.withErrors} con avisos` : '')
+      );
+    }
+    setSyncing(false);
+  }
+
   async function assign(
     provider: 'meta_ads' | 'google_ads',
     tenantId: string,
@@ -150,6 +186,19 @@ export default function AdsDiscoverPanel() {
           </div>
         </div>
         <div className="flex flex-wrap gap-2">
+          <button
+            type="button"
+            onClick={() => void syncMetrics()}
+            disabled={syncing || (!metaOk && !gadsOk)}
+            className="inline-flex items-center gap-1.5 text-xs font-medium px-3 py-1.5 rounded-lg border border-emerald-700/60 text-emerald-200 hover:border-emerald-500 disabled:opacity-40"
+          >
+            {syncing ? (
+              <Loader2 className="w-3.5 h-3.5 animate-spin" />
+            ) : (
+              <RefreshCw className="w-3.5 h-3.5" />
+            )}
+            Sincronizar métricas
+          </button>
           <button
             type="button"
             onClick={() => void discover(['google_ads'])}