feat(web): 正式提取流程设计能力到AI目录下，做代码拆分

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

@@ -0,0 +1,69 @@
+import {Handle, type NodeProps, Position} from '@xyflow/react'
+import type {Schema} from 'amis'
+import {Card, Dropdown} from 'antd'
+import {DeleteFilled, EditFilled} from '@ant-design/icons'
+import {isEqual} from 'licia'
+
+export type AmisNodeType = 'normal' | 'start' | 'end'
+
+const AmisNode = (
+  props: NodeProps,
+  type: AmisNodeType,
+  name: String,
+  description?: String,
+  columnSchema?: Schema[],
+) => {
+  const {id, data} = props
+  const {getDataById, removeNode, editNode} = data
+  return (
+    <div className="p-1 w-64">
+      <Card
+        className="node-card"
+        title={name}
+        size="small"
+        hoverable
+      >
+        <Dropdown
+          className="card-container"
+          trigger={['contextMenu']}
+          menu={{
+            items: [
+              {
+                key: 'edit',
+                label: '编辑',
+                icon: <EditFilled className="text-gray-600 hover:text-blue-500"/>,
+              },
+              {
+                key: 'remove',
+                label: '删除',
+                icon: <DeleteFilled className="text-red-500 hover:text-red-500"/>,
+              },
+            ],
+            onClick: menu => {
+              switch (menu.key) {
+                case 'edit':
+                  // @ts-ignore
+                  editNode(id, name, description, columnSchema)
+                  break
+                case 'remove':
+                  // @ts-ignore
+                  removeNode(id)
+                  break
+              }
+            },
+          }}
+        >
+          <div className="card-description p-2 text-secondary text-sm">
+            {description}
+          </div>
+        </Dropdown>
+      </Card>
+      {isEqual(type, 'start') || isEqual(type, 'normal')
+        ? <Handle type="source" position={Position.Right}/> : undefined}
+      {isEqual(type, 'end') || isEqual(type, 'normal')
+        ? <Handle type="target" position={Position.Left}/> : undefined}
+    </div>
+  )
+}
+
+export default AmisNode

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

@@ -0,0 +1,32 @@
+import type {NodeProps} from '@xyflow/react'
+import AmisNode from './AmisNode.tsx'
+
+const EndNode = (props: NodeProps) => AmisNode(
+  props,
+  'end',
+  '结束节点',
+  '定义输出变量',
+  [
+    {
+      type: 'input-kvs',
+      name: 'fields',
+      addButtonText: '新增输出',
+      draggable: false,
+      keyItem: {
+        label: '参数名称',
+      },
+      valueItems: [
+        {
+          type: 'select',
+          name: 'type',
+          label: '参数',
+          required: true,
+          selectFirst: true,
+          options: [],
+        },
+      ],
+    },
+  ],
+)
+
+export default EndNode

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

@@ -0,0 +1,36 @@
+import type {NodeProps} from '@xyflow/react'
+import AmisNode from './AmisNode.tsx'
+
+const LlmNode = (props: NodeProps) => AmisNode(
+  props,
+  'normal',
+  '大模型节点',
+  '使用大模型对话',
+  [
+    {
+      type: 'select',
+      name: 'model',
+      label: '大模型',
+      required: true,
+      selectFirst: true,
+      options: [
+        {
+          label: 'Qwen3',
+          value: 'qwen3',
+        },
+        {
+          label: 'Deepseek',
+          value: 'deepseek',
+        },
+      ],
+    },
+    {
+      type: 'textarea',
+      name: 'systemPrompt',
+      label: '系统提示词',
+      required: true,
+    },
+  ],
+)
+
+export default LlmNode

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

@@ -0,0 +1,50 @@
+import type {NodeProps} from '@xyflow/react'
+import AmisNode from './AmisNode.tsx'
+
+const StartNode = (props: NodeProps) => AmisNode(
+  props,
+  'start',
+  '开始节点',
+  '定义输入变量',
+  [
+    {
+      type: 'input-kvs',
+      name: 'fields',
+      addButtonText: '新增入参',
+      draggable: false,
+      keyItem: {
+        label: '参数名称',
+      },
+      valueItems: [
+        {
+          type: 'input-text',
+          name: 'description',
+          label: '参数描述',
+        },
+        {
+          type: 'select',
+          name: 'type',
+          label: '参数类型',
+          required: true,
+          selectFirst: true,
+          options: [
+            {
+              label: '文本',
+              value: 'text',
+            },
+            {
+              label: '数字',
+              value: 'number',
+            },
+            {
+              label: '文件',
+              value: 'files',
+            },
+          ],
+        },
+      ],
+    },
+  ],
+)
+
+export default StartNode