diff --git a/supabase/functions/create-chat-conversation/lib/plan.ts b/supabase/functions/create-chat-conversation/lib/plan.ts
index 7990dbb..c79d6aa 100644
--- a/supabase/functions/create-chat-conversation/lib/plan.ts
+++ b/supabase/functions/create-chat-conversation/lib/plan.ts
@@ -24,14 +24,12 @@ export function pickSchemaFields(
   let out = structuredClone(definicion);
 
   // Si piden campos, filtramos propiedades/required a esos campos
-  if (Array.isArray(campos) && campos.length > 0) {
-    const entries = Object.entries(out.properties).filter(([k]) =>
-      campos.includes(k)
-    );
-    out.properties = Object.fromEntries(entries);
-    if (Array.isArray(out.required)) {
-      out.required = out.required.filter((k: string) => campos.includes(k));
-    }
+  const entries = Object.entries(out.properties).filter(([k]) =>
+    campos.includes(k)
+  );
+  out.properties = Object.fromEntries(entries);
+  if (Array.isArray(out.required)) {
+    out.required = out.required.filter((k: string) => campos.includes(k));
   }
 
   // Siempre agregamos ai-message