Feat: Add tool nodes and tool drop-down menu #3221 (#8335)

### What problem does this PR solve?

Feat: Add tool nodes and tool drop-down menu #3221

### Type of change


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

web/src/pages/agent/canvas/node/tool-node.tsx

@@ -0,0 +1,34 @@
+import { IToolNode } from '@/interfaces/database/agent';
+import { NodeProps, Position } from '@xyflow/react';
+import { memo } from 'react';
+import { NodeHandleId } from '../../constant';
+import { CommonHandle } from './handle';
+import { LeftHandleStyle } from './handle-icon';
+import NodeHeader from './node-header';
+import { NodeWrapper } from './node-wrapper';
+import { ToolBar } from './toolbar';
+
+function InnerToolNode({
+  id,
+  data,
+  isConnectable = true,
+  selected,
+}: NodeProps<IToolNode>) {
+  return (
+    <ToolBar selected={selected} id={id} label={data.label}>
+      <NodeWrapper>
+        <CommonHandle
+          id={NodeHandleId.End}
+          type="target"
+          position={Position.Top}
+          isConnectable={isConnectable}
+          style={LeftHandleStyle}
+          nodeId={id}
+        ></CommonHandle>
+        <NodeHeader id={id} name={data.name} label={data.label}></NodeHeader>
+      </NodeWrapper>
+    </ToolBar>
+  );
+}
+
+export const ToolNode = memo(InnerToolNode);