diff --git a/supabase/functions/create-chat-conversation/lib/plan.ts b/supabase/functions/create-chat-conversation/lib/plan.ts
index 21ee075..07aa611 100644
--- a/supabase/functions/create-chat-conversation/lib/plan.ts
+++ b/supabase/functions/create-chat-conversation/lib/plan.ts
@@ -26,7 +26,7 @@ export function pickSchemaFields(
     },
   };
 
-  let out = structuredClone(definicion);
+  const out = structuredClone(definicion);
 
   // Si piden campos, filtramos propiedades/required a esos campos
   const entries = Object.entries(out.properties).filter(([k]) =>