feat(screener): FixedNodeCard for data/combine/result nodes

src/pages/stock/screener/components/canvas/nodes/FixedNodeCard.jsx

@@ -0,0 +1,22 @@
+import React, { memo } from 'react';
+import { Handle, Position } from '@xyflow/react';
+
+function FixedNodeCard({ data }) {
+  const { icon, title, subtitle, kind } = data;
+  const hasInput  = kind !== 'data';
+  const hasOutput = kind !== 'result';
+
+  return (
+    <div className={`canvas-node canvas-node--fixed canvas-node--${kind}`}>
+      {hasInput && <Handle type="target" position={Position.Left} isConnectable={false} />}
+      <div className="canvas-node-title">
+        <span className="canvas-node-icon">{icon}</span>
+        <span>{title}</span>
+      </div>
+      {subtitle && <div className="canvas-node-subtitle">{subtitle}</div>}
+      {hasOutput && <Handle type="source" position={Position.Right} isConnectable={false} />}
+    </div>
+  );
+}
+
+export default memo(FixedNodeCard);