feat: Replace Top Voters with Statistics tab - Show total votes, avg votes per user, total characters evaluated, active models - Hide total voters count temporarily

templates/leaderboard.html

@@ -1118,6 +1118,7 @@
         <h2 class="stats-title">📊 Arena Statistics</h2>
         
         <div class="stats-grid">
+            {# 참여자 수는 일시적으로 숨김
             <div class="stat-card primary">
                 <div class="stat-icon">👥</div>
                 <div class="stat-content">
@@ -1125,6 +1126,7 @@
                     <div class="stat-label">총 참여자 수</div>
                 </div>
             </div>
+            #}
             
             <div class="stat-card secondary">
                 <div class="stat-icon">🗳️</div>
@@ -1150,7 +1152,7 @@
                 </div>
             </div>
             
-            <div class="stat-card info full-width">
+            <div class="stat-card info">
                 <div class="stat-icon">🎙️</div>
                 <div class="stat-content">
                     <div class="stat-value">{{ voting_stats.active_models }}</div>