feat(web): 增加分支节点，增加流程检查的测试

service-web/client/src/pages/ai/flow/node/StartNode.tsx

@@ -1,7 +1,7 @@
 import type {NodeProps} from '@xyflow/react'
 import {Tag} from 'antd'
 import {each} from 'licia'
-import type {JSX} from 'react'
+import React, {type JSX} from 'react'
 import {horizontalFormOptions} from '../../../../util/amis.tsx'
 import AmisNode from './AmisNode.tsx'
 
@@ -18,7 +18,7 @@ const StartNode = (props: NodeProps) => AmisNode({
   defaultNodeDescription: '定义输入变量',
   extraNodeDescription: nodeData => {
     const variables: JSX.Element[] = []
-    const inputs = (nodeData['inputs'] ?? {}) as Record<string, { type: string, description: string }>
+    const inputs = (nodeData?.inputs ?? {}) as Record<string, { type: string, description: string }>
     each(inputs, (value, key) => {
       variables.push(
         <div className="mt-1 flex justify-between" key={key}>
@@ -65,4 +65,4 @@ const StartNode = (props: NodeProps) => AmisNode({
   ],
 })
 
-export default StartNode
+export default React.memo(StartNode)