Feat: The agent's external page should be able to fill in the begin parameter after being reset in task mode #9745 (#9982)

### What problem does this PR solve?

Feat: The agent's external page should be able to fill in the begin
parameter after being reset in task mode #9745

### Type of change


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

web/src/pages/data-flow/canvas/node/parser-node.tsx

@@ -0,0 +1,49 @@
+import { IRagNode } from '@/interfaces/database/flow';
+import { NodeProps, Position } from '@xyflow/react';
+import { memo } from 'react';
+import { NodeHandleId } from '../../constant';
+import { needsSingleStepDebugging } from '../../utils';
+import { CommonHandle } from './handle';
+import { LeftHandleStyle, RightHandleStyle } from './handle-icon';
+import NodeHeader from './node-header';
+import { NodeWrapper } from './node-wrapper';
+import { ToolBar } from './toolbar';
+
+function ParserNode({
+  id,
+  data,
+  isConnectable = true,
+  selected,
+}: NodeProps<IRagNode>) {
+  return (
+    <ToolBar
+      selected={selected}
+      id={id}
+      label={data.label}
+      showRun={needsSingleStepDebugging(data.label)}
+    >
+      <NodeWrapper selected={selected}>
+        <CommonHandle
+          id={NodeHandleId.End}
+          type="target"
+          position={Position.Left}
+          isConnectable={isConnectable}
+          style={LeftHandleStyle}
+          nodeId={id}
+        ></CommonHandle>
+        <CommonHandle
+          type="source"
+          position={Position.Right}
+          isConnectable={isConnectable}
+          id={NodeHandleId.Start}
+          style={RightHandleStyle}
+          nodeId={id}
+          isConnectableEnd={false}
+        ></CommonHandle>
+        <NodeHeader id={id} name={data.name} label={data.label}></NodeHeader>
+      </NodeWrapper>
+    </ToolBar>
+  );
+}
+
+export default memo(ParserNode);