将 web-admin 从子模块改为仓库内普通目录，便于单仓克隆与维护。

Co-authored-by: Cursor <cursoragent@cursor.com>

web-admin/src/views/outside/Iframe.vue

@@ -0,0 +1,36 @@
+<!-- 外链 iframe 占位（动态路由中 isIframe 时使用） -->
+<template>
+  <div class="iframe-page">
+    <iframe v-if="src" class="iframe-page__frame" :src="src" title="external" />
+    <p v-else class="iframe-page__empty">未配置链接</p>
+  </div>
+</template>
+
+<script setup lang="ts">
+  import { computed } from 'vue'
+  import { useRoute } from 'vue-router'
+
+  defineOptions({ name: 'IframePage' })
+
+  const route = useRoute()
+  const src = computed(() => (route.meta?.link as string) || '')
+</script>
+
+<style scoped lang="scss">
+  .iframe-page {
+    height: 100%;
+    min-height: 400px;
+  }
+
+  .iframe-page__frame {
+    width: 100%;
+    height: 100%;
+    min-height: 400px;
+    border: none;
+  }
+
+  .iframe-page__empty {
+    padding: 24px;
+    color: var(--el-text-color-secondary);
+  }
+</style>