Feat: Add loop operator node. #10427 (#11449)

### What problem does this PR solve?

Feat: Add loop operator node. #10427

### Type of change


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

web/src/pages/agent/hooks/use-build-options.tsx

@@ -1,4 +1,4 @@
-import { buildNodeOutputOptions } from '@/utils/canvas-util';
+import { buildUpstreamNodeOutputOptions } from '@/utils/canvas-util';
 import { useMemo } from 'react';
 import { Operator } from '../constant';
 import OperatorIcon from '../operator-icon';
@@ -9,7 +9,7 @@ export function useBuildNodeOutputOptions(nodeId?: string) {
   const edges = useGraphStore((state) => state.edges);
 
   return useMemo(() => {
-    return buildNodeOutputOptions({
+    return buildUpstreamNodeOutputOptions({
       nodes,
       edges,
       nodeId,