机器对比模式列改为显示 sim/live。

Co-authored-by: Cursor <cursoragent@cursor.com>

static/stats.js

@@ -75,8 +75,8 @@
 
   function modeLabel(mode) {
     const m = String(mode || "").toLowerCase();
-    if (m === "sim") return "模拟";
-    if (m === "live") return "实盘";
+    if (m === "sim") return "sim";
+    if (m === "live") return "live";
     return mode ? String(mode) : "—";
   }
 

templates/stats.html

@@ -73,5 +73,5 @@
 </section>
 {% endblock %}
 {% block scripts %}
-<script src="{{ url_for('static', filename='stats.js') }}?v=3"></script>
+<script src="{{ url_for('static', filename='stats.js') }}?v=4"></script>
 {% endblock %}