fix: 前端页面架构重构优化

Yi.Ai.Vue3/src/pages/chat/index.vue

@@ -7,7 +7,7 @@ const route = useRoute();
 const router = useRouter();
 
 // 控制侧边栏折叠状态
-const isCollapsed = ref(false);
+const isCollapsed = ref(true);
 
 // 菜单项配置
 const navItems = [
@@ -47,7 +47,7 @@ window.addEventListener('resize', checkIsMobile);
   <div class="console-page" :class="{ 'is-collapsed': isCollapsed }">
     <!-- 侧边栏导航 -->
     <div class="nav-sidebar" :class="{ 'is-collapsed': isCollapsed }">
-      <div class="nav-header">
+      <div v-if="false" class="nav-header">
         <h2 v-show="!isCollapsed" class="nav-title">
           AI聊天
         </h2>