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/form-components/form-header/index.tsx

@@ -0,0 +1,73 @@
+/**
+ * Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+ * SPDX-License-Identifier: MIT
+ */
+
+import { useContext, useState, useEffect } from 'react';
+
+import { useClientContext, CommandService } from '@flowgram.ai/free-layout-editor';
+import { Button } from '@douyinfe/semi-ui';
+import { IconClose, IconSmallTriangleDown, IconSmallTriangleLeft } from '@douyinfe/semi-icons';
+
+import { toggleLoopExpanded } from '../../utils';
+import { FlowCommandId } from '../../shortcuts';
+import { useIsSidebar, useNodeRenderContext } from '../../hooks';
+import { SidebarContext } from '../../context';
+import { NodeMenu } from '../../components/node-menu';
+import { getIcon } from './utils';
+import { TitleInput } from './title-input';
+import { Header, Operators } from './styles';
+
+export function FormHeader() {
+  const { node, expanded, toggleExpand, readonly } = useNodeRenderContext();
+  const [titleEdit, updateTitleEdit] = useState<boolean>(false);
+  const ctx = useClientContext();
+  const { setNodeId } = useContext(SidebarContext);
+  const isSidebar = useIsSidebar();
+  const handleExpand = (e: React.MouseEvent) => {
+    toggleExpand();
+    e.stopPropagation(); // Disable clicking prevents the sidebar from opening
+  };
+  const handleDelete = () => {
+    ctx.get<CommandService>(CommandService).executeCommand(FlowCommandId.DELETE, [node]);
+  };
+  const handleClose = () => {
+    setNodeId(undefined);
+  };
+  useEffect(() => {
+    // 折叠 loop 子节点
+    if (node.flowNodeType === 'loop') {
+      toggleLoopExpanded(node, expanded);
+    }
+  }, [expanded]);
+
+  return (
+    <Header>
+      {getIcon(node)}
+      <TitleInput readonly={readonly} updateTitleEdit={updateTitleEdit} titleEdit={titleEdit} />
+      {node.renderData.expandable && !isSidebar && (
+        <Button
+          type="primary"
+          icon={expanded ? <IconSmallTriangleDown /> : <IconSmallTriangleLeft />}
+          size="small"
+          theme="borderless"
+          onClick={handleExpand}
+        />
+      )}
+      {readonly ? undefined : (
+        <Operators>
+          <NodeMenu node={node} deleteNode={handleDelete} updateTitleEdit={updateTitleEdit} />
+        </Operators>
+      )}
+      {isSidebar && (
+        <Button
+          type="primary"
+          icon={<IconClose />}
+          size="small"
+          theme="borderless"
+          onClick={handleClose}
+        />
+      )}
+    </Header>
+  );
+}

frontend/src/flows/form-components/form-header/styles.tsx

@@ -0,0 +1,41 @@
+/**
+ * Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+ * SPDX-License-Identifier: MIT
+ */
+
+import styled from 'styled-components';
+
+export const Header = styled.div`
+  box-sizing: border-box;
+  display: flex;
+  justify-content: flex-start;
+  align-items: center;
+  width: 100%;
+  column-gap: 8px;
+  border-radius: 8px 8px 0 0;
+  cursor: move;
+
+  background: linear-gradient(#f2f2ff 0%, rgb(251, 251, 251) 100%);
+  overflow: hidden;
+
+  padding: 8px;
+`;
+
+export const Title = styled.div`
+  font-size: 20px;
+  flex: 1;
+  width: 0;
+`;
+
+export const Icon = styled.img`
+  width: 24px;
+  height: 24px;
+  scale: 0.8;
+  border-radius: 4px;
+`;
+
+export const Operators = styled.div`
+  display: flex;
+  align-items: center;
+  column-gap: 4px;
+`;

frontend/src/flows/form-components/form-header/title-input.tsx

@@ -0,0 +1,50 @@
+/**
+ * Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+ * SPDX-License-Identifier: MIT
+ */
+
+import { useRef, useEffect } from 'react';
+
+import { Field, FieldRenderProps } from '@flowgram.ai/free-layout-editor';
+import { Typography, Input } from '@douyinfe/semi-ui';
+
+import { Title } from './styles';
+import { Feedback } from '../feedback';
+const { Text } = Typography;
+
+export function TitleInput(props: {
+  readonly: boolean;
+  titleEdit: boolean;
+  updateTitleEdit: (setEdit: boolean) => void;
+}): JSX.Element {
+  const { readonly, titleEdit, updateTitleEdit } = props;
+  const ref = useRef<any>();
+  const titleEditing = titleEdit && !readonly;
+  useEffect(() => {
+    if (titleEditing) {
+      ref.current?.focus();
+    }
+  }, [titleEditing]);
+
+  return (
+    <Title>
+      <Field name="title">
+        {({ field: { value, onChange }, fieldState }: FieldRenderProps<string>) => (
+          <div style={{ height: 24 }}>
+            {titleEditing ? (
+              <Input
+                value={value}
+                onChange={onChange}
+                ref={ref}
+                onBlur={() => updateTitleEdit(false)}
+              />
+            ) : (
+              <Text ellipsis={{ showTooltip: true }}>{value}</Text>
+            )}
+            <Feedback errors={fieldState?.errors} />
+          </div>
+        )}
+      </Field>
+    </Title>
+  );
+}

frontend/src/flows/form-components/form-header/utils.tsx

@@ -0,0 +1,15 @@
+/**
+ * Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+ * SPDX-License-Identifier: MIT
+ */
+
+import { type FlowNodeEntity } from '@flowgram.ai/free-layout-editor';
+
+import { FlowNodeRegistry } from '../../typings';
+import { Icon } from './styles';
+
+export const getIcon = (node: FlowNodeEntity) => {
+  const icon = node.getNodeRegistry<FlowNodeRegistry>().info?.icon;
+  if (!icon) return null;
+  return <Icon src={icon} />;
+};