const existingVote = localStorage.getItem(`feature-vote-${featureId}`);
                      if (existingVote) {
                          const upButton = feature.querySelector('.thumbs-up');
                          const downButton = feature.querySelector('.thumbs-down');
                          if (existingVote === 'up' && upButton) {
                              VoteUtils.setSelectedState(upButton, true, true);
                          } else if (existingVote === 'down' && downButton) {
         