/**
         * Resets permissions to force recalculation on next getPermissions() call.
         * This is called after asynchronous parent group lookup completes.
         */
        public void resetPermissions() {
            this.permissions = null;
        }
    }

                user.setGroups(finalGroups);
                user.setRoles(finalRoles);

                // Reset permissions to force recalculation
                user.resetPermissions();

                final long elapsedTime = System.currentTimeMillis() - startTime;
                if (logger.isDebugEnabled()) {
                    logger.debug(