fix: JsonHelper LocalDateTime serialization and compact logging

src/main/java/com/banesco/common/infraestructure/helpers/JsonHelper.java

@@ -21,8 +21,20 @@ public class JsonHelper {
     static {
         MAPPER.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
         MAPPER.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
-		MAPPER.registerModule(new JavaTimeModule());
         MAPPER.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
+        
+        // Intentar registrar módulos automáticamente (incluye JavaTimeModule si está disponible)
+        try {
+            MAPPER.findAndRegisterModules();
+        } catch (Exception e) {
+            logger.log(Level.WARNING, "Error auto-registering Jackson modules, trying manual registration: {0}", e.getMessage());
+            // Fallback: intentar registro manual del JavaTimeModule
+            try {
+                MAPPER.registerModule(new JavaTimeModule());
+            } catch (Exception e2) {
+                logger.log(Level.SEVERE, "Error registering JavaTimeModule: {0}", e2.getMessage());
+            }
+        }
     }
 
     /**
@@ -43,6 +55,25 @@ public class JsonHelper {
         }
     }
 
+    /**
+     * Convert Object to jsonString in compact format (single line, includes nulls)
+     *
+     * @param object El objeto a convertir en JSON.
+     * @return La cadena JSON compacta en una sola línea o null si ocurre un error.
+     */
+    public static String getJsonFromObjectExcludingNulls(Object object) {
+        if (object == null) {
+            return "null";
+        }
+        try {
+            // Usar el formato compacto (sin pretty print) pero manteniendo todos los campos incluyendo nulls
+            return MAPPER.writeValueAsString(object);
+        } catch (JsonProcessingException e) {
+            logger.log(Level.SEVERE, "Error parsing objeto a JSON: {0}", e.getMessage());
+            return null;
+        }
+    }
+
     /**
      * Convierte una cadena JSON en un objeto Java de la clase especificada.
      *