feat(menu): 为页面添加标题和布局配置支持

src/pages/demos/api-demo.page.vue

@@ -1,6 +1,12 @@
 <script setup lang="ts">
 import { ref } from 'vue';
 
+definePage({
+  meta: {
+    title: 'API 调用示例',
+  },
+});
+
 // ========== API 模块 ==========
 const apiResult = ref<string>('');
 const loading = ref(false);

src/pages/demos/counter-demo.page.vue

@@ -2,6 +2,12 @@
 import { ref } from 'vue';
 import { NButton } from 'naive-ui';
 
+definePage({
+  meta: {
+    title: '点击计数器',
+  },
+});
+
 // ========== 计数器模块 ==========
 const clickCount = ref(0);
 

src/pages/demos/index.page.vue

@@ -0,0 +1,4 @@
+<script setup lang="ts">
+definePage({ meta: { title: '示例演示' } });
+</script>
+<template>这个文件只是为了给菜单渲染标题</template>

src/pages/demos/websocket-demo.page.vue

@@ -1,6 +1,12 @@
 <script setup lang="ts">
 import { ref, onUnmounted, computed, nextTick } from 'vue';
 
+definePage({
+  meta: {
+    title: 'WebSocket 示例',
+  },
+});
+
 // ========== WebSocket 模块 ==========
 const ws = ref<WebSocket | null>(null);
 const wsConnected = ref(false);