diff --git a/src/app/api/integrations/fatigue/candidates/route.ts b/src/app/api/integrations/fatigue/candidates/route.ts
index e668d8e..f773188 100644
--- a/src/app/api/integrations/fatigue/candidates/route.ts
+++ b/src/app/api/integrations/fatigue/candidates/route.ts
@@ -24,11 +24,20 @@ export async function GET(req: NextRequest) {
     return NextResponse.json({ error: rulesErr.message }, { status: 500 });
   }
 
-  const lookbackDays = rules?.lookback_days || 7;
+  const lookbackDays = Number(rules?.lookback_days || 7);
+  const minHistory = lookbackDays * 2;
 
-  // 2. Calcular fecha de inicio según lookback_days
+  // Query param history_days (por defecto 28, mínimo lookback_days * 2)
+  const url = new URL(req.url);
+  const rawHistory = url.searchParams.get('history_days');
+  let historyDays = rawHistory ? parseInt(rawHistory, 10) : 28;
+  if (isNaN(historyDays) || historyDays < minHistory) {
+    historyDays = Math.max(28, minHistory);
+  }
+
+  // 2. Calcular fecha de inicio según history_days
   const sinceDate = new Date();
-  sinceDate.setDate(sinceDate.getDate() - lookbackDays);
+  sinceDate.setDate(sinceDate.getDate() - historyDays);
   const sinceStr = sinceDate.toISOString().split('T')[0];
 
   // 3. Buscar creatividades actualmente publicadas para este cliente
@@ -51,7 +60,7 @@ export async function GET(req: NextRequest) {
   if (metaIds.length > 0) {
     const { data: metrics, error: metricsErr } = await adminClient
       .from('creative_metrics_daily')
-      .select('*')
+      .select('date, impressions, reach, clicks, ctr, frequency, spend, results, cpa, meta_ad_id')
       .eq('tenant_id', tenantId)
       .in('meta_ad_id', metaIds)
       .gte('date', sinceStr)
@@ -63,22 +72,43 @@ export async function GET(req: NextRequest) {
 
     (metrics || []).forEach((m: any) => {
       const list = metricsMap.get(m.meta_ad_id) || [];
-      list.push(m);
+      list.push({
+        date: m.date,
+        impressions: Number(m.impressions || 0),
+        reach: Number(m.reach || 0),
+        clicks: Number(m.clicks || 0),
+        ctr: Number(m.ctr || 0),
+        frequency: Number(m.frequency || 0),
+        spend: Number(m.spend || 0),
+        results: Number(m.results || 0),
+        cpa: m.cpa !== null && m.cpa !== undefined ? Number(m.cpa) : null,
+      });
       metricsMap.set(m.meta_ad_id, list);
     });
   }
 
-  const candidates = (publishedCreatives || []).map((c: any) => ({
-    ...c,
-    client_id: c.tenant_id,
+  const creatives = (publishedCreatives || []).map((c: any) => ({
+    id: c.id,
+    meta_ad_id: c.meta_ad_id,
+    hook: c.hook,
+    angle: c.angle,
+    campaign_name: c.campaign_name,
     metrics: metricsMap.get(c.meta_ad_id) || [],
   }));
 
+  const dataPayload = {
+    rules: rules || null,
+    creatives,
+  };
+
   return NextResponse.json({
+    data: dataPayload,
     client_id: tenantId,
     tenant_id: tenantId,
     lookback_days: lookbackDays,
+    history_days: historyDays,
     rules: rules || null,
-    candidates,
+    creatives,
+    candidates: creatives,
   });
 }
diff --git a/src/app/api/integrations/fatigue/mark/route.ts b/src/app/api/integrations/fatigue/mark/route.ts
index b274a35..c4aebbf 100644
--- a/src/app/api/integrations/fatigue/mark/route.ts
+++ b/src/app/api/integrations/fatigue/mark/route.ts
@@ -131,5 +131,11 @@ export async function POST(req: NextRequest) {
     status: 'fatigada',
     signals,
     generation_request: generationRequest,
+    data: {
+      creative_id: creativeId,
+      status: 'fatigada',
+      signals,
+      generation_request: generationRequest,
+    },
   });
 }