style(dashboard): 优化工具栏右侧样式布局

@@ -93,6 +93,14 @@
       flex: 1;
     }
 
+    .toolbar-right {
+      margin-left: auto;
+      display: flex;
+      align-items: center;
+      gap: 6px;
+      white-space: nowrap;
+    }
+
     .toolbar label {
       color: var(--muted);
       font-size: 13px;
@@ -655,8 +663,10 @@
       </select>
       <button id="exportBtn">导出标注</button>
       <button id="importReviewedBtn">入库审核通过</button>
+    <div class="toolbar-right">
         <span>审核人：</span><span id="reviewerDisplay"></span>
         <button id="logoutBtn" class="secondary">登出</button>
+      </div>
       <button id="reloadBtn" class="secondary">刷新</button>
     </div>
   </header>