diff --git a/app/templates/automation.html b/app/templates/automation.html
index 9de863d..ea3273e 100644
--- a/app/templates/automation.html
+++ b/app/templates/automation.html
@@ -125,6 +125,10 @@
             class="px-3 py-1 text-xs font-medium rounded-md transition-all">
             <i class="fas fa-times-circle mr-1"></i>Errores <span id="filter-cnt-errores" class="font-bold"></span>
           </button>
+          <button id="filter-btn-advertencias" onclick="setResultFilter('advertencias')"
+            class="px-3 py-1 text-xs font-medium rounded-md transition-all">
+            <i class="fas fa-exclamation-circle mr-1"></i>Ya existe <span id="filter-cnt-advertencias" class="font-bold"></span>
+          </button>
           <button id="filter-btn-enviados" onclick="setResultFilter('enviados')"
             class="px-3 py-1 text-xs font-medium rounded-md transition-all">
             <i class="fas fa-check-circle mr-1"></i>Enviados <span id="filter-cnt-enviados" class="font-bold"></span>
@@ -499,26 +503,27 @@ function renderResults(r) {
   _resultAll = [];
   activeSteps.forEach(s => {
     (r[s.resultKey].detalle || []).forEach((item, i) => {
-      _resultAll.push({ item, step: s, idx: `${s.pasoKey}-${i}`, ok: item.ok });
+      const st = item.status || (item.ok ? 'success' : 'error');
+      _resultAll.push({ item, step: s, idx: `${s.pasoKey}-${i}`, status: st });
     });
   });
 
-  const errCount = _resultAll.filter(e => !e.ok).length;
-  const okCount  = _resultAll.filter(e => e.ok).length;
+  const errCount  = _resultAll.filter(e => e.status === 'error').length;
+  const warnCount = _resultAll.filter(e => e.status === 'warning').length;
+  const okCount   = _resultAll.filter(e => e.status === 'success').length;
 
-  // Filter counts
-  document.getElementById('filter-cnt-errores').textContent  = `(${errCount})`;
-  document.getElementById('filter-cnt-enviados').textContent = `(${okCount})`;
-  document.getElementById('filter-cnt-todos').textContent    = `(${_resultAll.length})`;
+  document.getElementById('filter-cnt-errores').textContent      = `(${errCount})`;
+  document.getElementById('filter-cnt-advertencias').textContent = `(${warnCount})`;
+  document.getElementById('filter-cnt-enviados').textContent     = `(${okCount})`;
+  document.getElementById('filter-cnt-todos').textContent        = `(${_resultAll.length})`;
 
-  // Default filter: errores si hay, si no todos
-  const defaultFilter = errCount > 0 ? 'errores' : 'todos';
+  const defaultFilter = errCount > 0 ? 'errores' : warnCount > 0 ? 'advertencias' : 'todos';
   setResultFilter(defaultFilter);
 
   document.getElementById('results-section').classList.remove('hidden');
 
   showToast(
-    errCount === 0 ? `Envío completado · ${okCount} registros OK` : `${errCount} fallo(s) · ${okCount} OK`,
+    errCount === 0 ? `Envío completado · ${okCount} OK · ${warnCount} ya existían` : `${errCount} fallo(s) · ${okCount} OK · ${warnCount} ya existían`,
     errCount === 0 ? 'success' : 'warning'
   );
 }
@@ -529,32 +534,34 @@ function setResultFilter(filter) {
 
   // Actualizar estilos de botones
   const configs = {
-    errores:  { active: 'bg-white shadow text-red-600',   inactive: 'text-gray-500 hover:text-gray-700' },
-    enviados: { active: 'bg-white shadow text-green-600', inactive: 'text-gray-500 hover:text-gray-700' },
-    todos:    { active: 'bg-white shadow text-gray-700',  inactive: 'text-gray-500 hover:text-gray-700' },
+    errores:       { active: 'bg-white shadow text-red-600',    inactive: 'text-gray-500 hover:text-gray-700' },
+    advertencias:  { active: 'bg-white shadow text-yellow-600', inactive: 'text-gray-500 hover:text-gray-700' },
+    enviados:      { active: 'bg-white shadow text-green-600',  inactive: 'text-gray-500 hover:text-gray-700' },
+    todos:         { active: 'bg-white shadow text-gray-700',   inactive: 'text-gray-500 hover:text-gray-700' },
   };
-  ['errores','enviados','todos'].forEach(f => {
+  ['errores','advertencias','enviados','todos'].forEach(f => {
     const btn = document.getElementById(`filter-btn-${f}`);
     const base = 'px-3 py-1 text-xs font-medium rounded-md transition-all';
     btn.className = `${base} ${f === filter ? configs[f].active : configs[f].inactive}`;
   });
 
-  // Filtrar items
   let items;
-  if (filter === 'errores')  items = _resultAll.filter(e => !e.ok);
-  else if (filter === 'enviados') items = _resultAll.filter(e => e.ok);
+  if (filter === 'errores')       items = _resultAll.filter(e => e.status === 'error');
+  else if (filter === 'advertencias') items = _resultAll.filter(e => e.status === 'warning');
+  else if (filter === 'enviados') items = _resultAll.filter(e => e.status === 'success');
   else items = _resultAll;
 
   const listEl = document.getElementById('results-list');
 
   if (items.length === 0) {
     const msg = filter === 'errores' ? 'Sin errores — todo enviado correctamente' :
+                filter === 'advertencias' ? 'Sin advertencias' :
                 filter === 'enviados' ? 'No hay registros enviados' : 'Sin resultados';
     listEl.innerHTML = `<div class="p-8 text-center text-gray-400 text-sm"><i class="fas ${filter==='errores'?'fa-check-circle text-green-400':'fa-inbox'} text-2xl mb-2 block"></i>${msg}</div>`;
     return;
   }
 
-  listEl.innerHTML = items.map(({ item, step: s, idx, ok }) => {
+  listEl.innerHTML = items.map(({ item, step: s, idx, status }) => {
     let label1 = '', label2 = '', dtype = s.tipo, did = '';
 
     if (s.tipo === 'tercero') {
@@ -569,8 +576,7 @@ function setResultFilter(filter) {
 
     const msg = (item.msg || '').trim();
 
-    if (ok) {
-      // Fila exitosa
+    if (status === 'success') {
       return `
       <div class="px-5 py-3 flex items-center gap-3 hover:bg-gray-50 transition-colors">
         <span class="text-green-500 shrink-0 text-base"><i class="fas fa-check-circle"></i></span>
@@ -581,8 +587,18 @@ function setResultFilter(filter) {
         <span class="text-gray-600 text-xs flex-1 truncate">${escHtml(label2)}</span>
         <span class="text-green-600 text-xs max-w-[220px] truncate shrink-0" title="${escHtml(msg)}">${escHtml(msg.slice(0,60))}</span>
       </div>`;
+    } else if (status === 'warning') {
+      return `
+      <div class="px-5 py-3 flex items-center gap-3 bg-yellow-50 hover:bg-yellow-100 transition-colors border-l-4 border-yellow-400">
+        <span class="text-yellow-500 shrink-0 text-base"><i class="fas fa-exclamation-circle"></i></span>
+        <span class="${_BADGE[s.color]} text-xs font-semibold px-2 py-0.5 rounded shrink-0">
+          <i class="fas ${s.icon} mr-1 opacity-70 text-xs"></i>${s.label}
+        </span>
+        <span class="font-mono text-gray-800 text-xs w-28 shrink-0 truncate" title="${escHtml(label1)}">${escHtml(label1)}</span>
+        <span class="text-gray-600 text-xs flex-1 truncate">${escHtml(label2)}</span>
+        <span class="text-yellow-700 text-xs max-w-[260px] truncate shrink-0" title="${escHtml(msg)}">${escHtml(msg.slice(0,80))}</span>
+      </div>`;
     } else {
-      // Fila con error + botón reenviar
       return `
       <div data-resend-row class="px-5 py-3 flex items-start gap-3 bg-red-50 hover:bg-red-100 transition-colors border-l-4 border-red-400">
         <span class="text-red-400 shrink-0 text-base mt-0.5 fail-status-icon"><i class="fas fa-times-circle"></i></span>