fix: rendering animaiton

frontend/src/components/nodes/RenderingNode.tsx

@@ -687,7 +687,7 @@ function RenderingNodeComponent({ id, data, width, height, selected }: Props) {
     }, [configTypeId, configType.language])
 
     return (
-        <NodeStatusIndicator status={status} variant="border" width={dimensions?.width} height={dimensions?.height}>
+        <NodeStatusIndicator status={status} variant="overlay" width={dimensions?.width} height={dimensions?.height}>
             <BaseNode className="min-w-96 min-h-[320px]" dimensions={dimensions} resizable nodeId={id} selected={selected} handles={<InputHandle id="ain" nodeId={id} />}>
                 <BaseNodeHeaderRow
                     icon={<Sparkles className="size-4" />}

frontend/src/styles.css

@@ -164,13 +164,10 @@ body {
     }
 }
 
-/* Connection path roles: pushing (trigger) vs receiving (updating) — classes on BaseNode root */
+/* Connection path roles: pushing (trigger) — classes on BaseNode root. Updating nodes have no extra border so rendering doesn’t flash. */
 .connection-path-trigger {
     box-shadow: inset 3px 0 0 hsl(var(--primary));
 }
-.connection-path-updating {
-    box-shadow: inset 0 0 0 2px hsl(var(--primary) / 0.4);
-}
 
 /* NodeResizer: snappy drag; no border/background on handles; keep resize cursors. */
 .react-flow__resize-control {