Feat: Add DynamicVariableForm with shadcn-ui. #3221 (#5336)

### What problem does this PR solve?

Feat: Add DynamicVariableForm with shadcn-ui. #3221

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/pages/agent/interface.ts

@@ -1,5 +1,6 @@
 import { RAGFlowNodeType } from '@/interfaces/database/flow';
 import { FormInstance } from 'antd';
+import { UseFormReturn } from 'react-hook-form';
 
 export interface IOperatorForm {
   onValuesChange?(changedValues: any, values: any): void;
@@ -8,6 +9,12 @@ export interface IOperatorForm {
   nodeId?: string;
 }
 
+export interface INextOperatorForm {
+  form: UseFormReturn;
+  node?: RAGFlowNodeType;
+  nodeId?: string;
+}
+
 export interface IGenerateParameter {
   id?: string;
   key: string;