stats (add chars)

models.py

@@ -704,6 +704,9 @@ def get_voting_statistics():
     # Average votes per user
     avg_votes_per_user = round(total_votes / total_voters, 1) if total_voters > 0 else 0
     
+    # Total characters evaluated (sum of text lengths)
+    total_characters = db.session.query(func.sum(func.length(Vote.text))).scalar() or 0
+    
     # Votes in the last 24 hours
     yesterday = datetime.utcnow() - timedelta(days=1)
     votes_last_24h = Vote.query.filter(Vote.vote_date >= yesterday).count()
@@ -719,6 +722,7 @@ def get_voting_statistics():
         "total_voters": total_voters,
         "total_votes": total_votes,
         "avg_votes_per_user": avg_votes_per_user,
+        "total_characters": total_characters,
         "votes_last_24h": votes_last_24h,
         "votes_last_7d": votes_last_7d,
         "active_models": active_models,

templates/leaderboard.html

@@ -770,6 +770,16 @@
         color: white;
     }
 
+    .stat-card.highlight {
+        background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
+        color: white;
+    }
+
+    .stat-card.full-width {
+        grid-column: 1 / -1;
+        justify-content: center;
+    }
+
     .stat-icon {
         font-size: 2.5rem;
         line-height: 1;
@@ -1132,7 +1142,15 @@
                 </div>
             </div>
             
-            <div class="stat-card info">
+            <div class="stat-card highlight">
+                <div class="stat-icon">✍️</div>
+                <div class="stat-content">
+                    <div class="stat-value">{{ "{:,}".format(voting_stats.total_characters) }}</div>
+                    <div class="stat-label">총 평가 글자 수</div>
+                </div>
+            </div>
+            
+            <div class="stat-card info full-width">
                 <div class="stat-icon">🎙️</div>
                 <div class="stat-content">
                     <div class="stat-value">{{ voting_stats.active_models }}</div>