feat(变量节点): 添加变量赋值类型定义并优化节点菜单

refactor: 简化json-schema类型导入
chore: 更新依赖并调整tsconfig配置

frontend/src/flows/components/node-menu/index.tsx

@@ -23,7 +23,7 @@ import { CopyShortcut } from '../../shortcuts/copy';
 
 interface NodeMenuProps {
   node: WorkflowNodeEntity;
-  updateTitleEdit: (setEditing: boolean) => void;
+  updateTitleEdit?: (setEditing: boolean) => void;
   deleteNode: () => void;
 }
 
@@ -84,7 +84,7 @@ export const NodeMenu: FC<NodeMenuProps> = ({ node, deleteNode, updateTitleEdit
     [clientContext, node]
   );
   const handleEditTitle = useCallback(() => {
-    updateTitleEdit(true);
+    updateTitleEdit?.(true);
   }, [updateTitleEdit]);
 
   if (!visible) {
@@ -97,7 +97,9 @@ export const NodeMenu: FC<NodeMenuProps> = ({ node, deleteNode, updateTitleEdit
       position="bottomRight"
       render={
         <Dropdown.Menu>
-          <Dropdown.Item onClick={handleEditTitle}>{I18n.t('Edit Title')}</Dropdown.Item>
+          {updateTitleEdit && (
+            <Dropdown.Item onClick={handleEditTitle}>{I18n.t('Edit Title')}</Dropdown.Item>
+          )}
           {canMoveOut && <Dropdown.Item onClick={handleMoveOut}>{I18n.t('Move out')}</Dropdown.Item>}
           <Dropdown.Item onClick={handleCopy}>{I18n.t('Create Copy')}</Dropdown.Item>
           <Dropdown.Item type="danger" onClick={handleDelete}>{I18n.t('Delete')}</Dropdown.Item>

frontend/src/flows/nodes/variable/types.tsx

@@ -6,6 +6,20 @@
 import { FlowNodeJSON } from '@flowgram.ai/free-layout-editor';
 import { IFlowValue, IJsonSchema } from '@flowgram.ai/form-materials';
 
+// Minimal assign value type for variable node, inferred from initial data in registry
+// 两类操作：declare（声明变量）与 assign（赋值已有变量）
+export type AssignValueType =
+  | {
+      operator: 'declare';
+      left: string; // variable name - 变量名
+      right: IFlowValue; // value - 值
+    }
+  | {
+      operator: 'assign';
+      left: string; // existing variable - 已有变量
+      right: IFlowValue; // value - 值
+    };
+
 export interface VariableNodeJSON extends FlowNodeJSON {
   data: {
     title: string;

frontend/src/flows/typings/json-schema.ts

@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: MIT
  */
 
-import type { IJsonSchema, IBasicJsonSchema } from '@flowgram.ai/form-materials';
+import type { IJsonSchema } from '@flowgram.ai/form-materials';
 
-export type BasicType = IBasicJsonSchema;
+export type BasicType = IJsonSchema;
 export type JsonSchema = IJsonSchema;