perf: 优化工作流与智能体编排界面性能

- 使用登录态独立全屏壳层承载编排页面

- 保留鉴权、锁屏、水印及原有设计器功能

- 增加独立路由回归测试

easyflow-ui-admin/app/src/views/ai/agents/AgentDesignerStandaloneView.vue

@@ -0,0 +1,11 @@
+<script setup lang="ts">
+import AuthenticatedStandaloneLayout from '#/layouts/AuthenticatedStandaloneLayout.vue';
+
+import AgentDesigner from './AgentDesigner.vue';
+</script>
+
+<template>
+  <AuthenticatedStandaloneLayout>
+    <AgentDesigner />
+  </AuthenticatedStandaloneLayout>
+</template>

easyflow-ui-admin/app/src/views/ai/workflow/WorkflowDesignStandaloneView.vue

@@ -0,0 +1,31 @@
+<script setup lang="ts">
+import AuthenticatedStandaloneLayout from '#/layouts/AuthenticatedStandaloneLayout.vue';
+
+import WorkflowDesign from './WorkflowDesign.vue';
+</script>
+
+<template>
+  <AuthenticatedStandaloneLayout class="workflow-design-standalone">
+    <WorkflowDesign />
+  </AuthenticatedStandaloneLayout>
+</template>
+
+<style scoped>
+.workflow-design-standalone :deep(.head-div) {
+  display: flex;
+  flex-direction: column;
+  height: 100%;
+  min-height: 0;
+  overflow: hidden;
+}
+
+.workflow-design-standalone :deep(.agentsflow) {
+  height: 100% !important;
+}
+
+.workflow-design-standalone :deep(.tiny-flow-container) {
+  flex: 1;
+  height: auto;
+  min-height: 0;
+}
+</style>