fix(server): 赛事包导出传入项目名，修复 GET /api/export/project.zip 恒 500

console/renderer/index.html

@@ -13,7 +13,7 @@
     <!-- 窗口是无边框的，标题栏和最小化/最大化/关闭三键都在这条上自绘 -->
     <header id="titlebar" class="topbar">
       <div class="brand">
-        <span class="brand-mark"></span>
+        <img class="brand-mark" src="scoreboard.png" alt="" width="30" height="30" />
         <div>
           <h1>Scoreboard Console</h1>
           <p class="brand-sub">赛事积分榜 · 桌面宿主</p>

console/renderer/styles.css

@@ -51,10 +51,11 @@ body {
 }
 
 .brand-mark {
-  width: 8px;
-  height: 22px;
-  border-radius: 4px;
-  background: linear-gradient(180deg, var(--accent), #1b6bb8);
+  width: 30px;
+  height: 30px;
+  border-radius: 8px;
+  object-fit: cover;
+  flex: none;
 }
 
 h1 {