feat(flows): 新增流程编辑器基础功能与相关组件

feat(backend): 添加流程模型与服务支持
feat(frontend): 实现流程编辑器UI与交互
feat(assets): 添加流程节点图标资源
feat(plugins): 实现上下文菜单和运行时插件
feat(components): 新增基础节点和侧边栏组件
feat(routes): 添加流程相关路由配置
feat(models): 创建流程和运行日志数据模型
feat(services): 实现流程服务层逻辑
feat(migration): 添加流程相关数据库迁移
feat(config): 更新前端配置支持流程编辑器
feat(utils): 增强axios错误处理和工具函数

frontend/src/flows/components/tools/switch-line.tsx

@@ -0,0 +1,25 @@
+/**
+ * Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+ * SPDX-License-Identifier: MIT
+ */
+
+import { useCallback } from 'react';
+
+import { useService, WorkflowLinesManager } from '@flowgram.ai/free-layout-editor';
+import { IconButton, Tooltip } from '@douyinfe/semi-ui';
+import { I18n } from '@flowgram.ai/free-layout-editor';
+
+import { IconSwitchLine } from '../../assets/icon-switch-line';
+
+export const SwitchLine = () => {
+  const linesManager = useService(WorkflowLinesManager);
+  const switchLine = useCallback(() => {
+    linesManager.switchLineType();
+  }, [linesManager]);
+
+  return (
+    <Tooltip content={I18n.t('Switch Line')}>
+      <IconButton type="tertiary" theme="borderless" onClick={switchLine} icon={IconSwitchLine} />
+    </Tooltip>
+  );
+};