falta actualizar bien el resumen

src/main/java/com/imprimelibros/erp/cart/CartRepository.java

@@ -1,9 +1,22 @@
 package com.imprimelibros.erp.cart;
 
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
 
 import java.util.Optional;
 
 public interface CartRepository extends JpaRepository<Cart, Long> {
     Optional<Cart> findByUserIdAndStatus(Long userId, Cart.Status status);
+
+    @Query("""
+                select distinct c from Cart c
+                left join fetch c.direcciones cd
+                left join fetch cd.direccion d
+                left join fetch d.pais p
+                left join fetch cd.presupuesto pr
+                where c.id = :id
+            """)
+    Optional<Cart> findByIdFetchAll(@Param("id") Long id);
+
 }