diff --git a/AGENTS.md b/AGENTS.md
new file mode 100644
index 0000000..0ee4c4b
--- /dev/null
+++ b/AGENTS.md
@@ -0,0 +1,5 @@
+# Reglas de Ejecución Autónoma para Antigravity
+
+- **Autonomía Total**: Ejecuta todas las acciones, ediciones de archivos, comandos de terminal, pruebas y diagnósticos de forma proactiva e inmediata sin solicitar confirmación previa ni esperar aprobaciones intermedias.
+- **Flujo Completo**: Cuando se solicite un cambio o se reporte un problema, investiga, modifica el código, compila, prueba y entrega la solución terminada.
+- **Sin Bloqueos**: No te detengas a pedir permisos antes de ejecutar herramientas, llamadas a bases de datos o scripts de verificación.
diff --git a/src/lib/evolution.ts b/src/lib/evolution.ts
index c077cd5..29f057d 100644
--- a/src/lib/evolution.ts
+++ b/src/lib/evolution.ts
@@ -25,7 +25,7 @@ export async function getBase64FromMediaMessage(messagePayload: any): Promise<{
     const url = `${EVOLUTION_API_URL}/chat/getBase64FromMediaMessage/${EVOLUTION_INSTANCE_NAME}`;
     const response = await axios.post(url, {
       message: messagePayload
-    }, { headers, timeout: 15000 });
+    }, { headers, timeout: 5000 });
 
     if (response.data && response.data.base64) {
       return {
@@ -40,49 +40,63 @@ export async function getBase64FromMediaMessage(messagePayload: any): Promise<{
 }
 
 /**
- * Fetches recent media messages from the same chat (within a time window) to collect multiple candidate images.
+ * Fetches recent media messages from the same chat (within a strict time window) in parallel.
  */
 export async function fetchRecentMediaFromSameChat(
   remoteJid: string,
-  maxItems = 4,
-  windowSeconds = 120
+  maxItems = 3,
+  windowSeconds = 90
 ): Promise<Array<{ base64: string, mimeType: string, messageId: string }>> {
   if (!EVOLUTION_API_URL || !EVOLUTION_INSTANCE_NAME || !remoteJid) {
     return [];
   }
 
   try {
-    const url = `${EVOLUTION_API_URL}/chat/findMessages/${EVOLUTION_INSTANCE_NAME}?page=1&limit=8`;
+    const url = `${EVOLUTION_API_URL}/chat/findMessages/${EVOLUTION_INSTANCE_NAME}?page=1&limit=5`;
     const response = await axios.post(
       url,
       { where: { "key": { "remoteJid": remoteJid } } },
-      { headers, timeout: 8000 }
+      { headers, timeout: 3000 }
     );
 
     const records = response.data?.messages?.records || [];
     const nowSec = Math.floor(Date.now() / 1000);
 
-    // Filter media messages sent within the time window
+    // Strict check: only messages created within the last `windowSeconds` (90s)
     const mediaRecords = records.filter((r: any) => {
       const isMedia = Boolean(r.message?.imageMessage || r.message?.videoMessage);
-      const isRecent = r.messageTimestamp ? (nowSec - r.messageTimestamp <= windowSeconds) : true;
-      return isMedia && isRecent;
+      if (!isMedia || !r.messageTimestamp) return false;
+      const diff = Math.abs(nowSec - r.messageTimestamp);
+      return diff <= windowSeconds;
     }).slice(0, maxItems);
 
-    const results: Array<{ base64: string, mimeType: string, messageId: string }> = [];
+    if (mediaRecords.length === 0) {
+      return [];
+    }
 
-    for (const record of mediaRecords) {
+    // Fetch all media in parallel with Promise.allSettled
+    const fetchPromises = mediaRecords.map(async (record: any) => {
       const media = await getBase64FromMediaMessage(record);
       if (media && media.base64) {
-        results.push({
+        return {
           base64: media.base64,
           mimeType: media.mimetype,
           messageId: record.key?.id || String(Date.now())
-        });
+        };
+      }
+      return null;
+    });
+
+    const results = await Promise.allSettled(fetchPromises);
+    const validMedia: Array<{ base64: string, mimeType: string, messageId: string }> = [];
+
+    for (const res of results) {
+      if (res.status === 'fulfilled' && res.value) {
+        validMedia.push(res.value);
       }
     }
 
-    return results;
+    return validMedia;
   } catch (err: any) {
     console.warn('Could not fetch recent media from chat:', err?.message);
     return [];