web iframe结构实现

urbanLifelineWeb/packages/shared/src/layouts/BlankLayout/BlankLayout.vue

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+<template>
+    <div class="blank-layout">
+        <router-view />
+    </div>
+</template>
+
+<script setup lang="ts">
+// BlankLayout：空白布局，只显示内容，无侧边栏、无header
+// 适用于全屏页面，如聊天页面、独立功能页等
+</script>
+
+<style scoped lang="scss">
+.blank-layout {
+    width: 100%;
+    height: 100vh;
+    overflow: hidden;
+}
+</style>

urbanLifelineWeb/packages/shared/src/layouts/index.ts

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+export { default as BlankLayout } from './BlankLayout/BlankLayout.vue'