refactor: nodes as builder pattern

frontend/src/components/nodes/render/descriptor.tsx

@@ -0,0 +1,26 @@
+import React from 'react'
+import { Sparkles } from 'lucide-react'
+import { createNodeTypeBuilder } from '@/lib/nodeTypeBuilder'
+import { NODE_HELP } from '@/lib/nodeHelp'
+import type { NodeTypeDescriptor } from '@/lib/nodeRegistry'
+import RenderingNode from './RenderingNode'
+
+const ICON_CLASS = 'mr-2 h-4 w-4'
+
+export function getRenderNodeDescriptor(): NodeTypeDescriptor {
+  return createNodeTypeBuilder(
+    'render',
+    RenderingNode,
+    { width: 384, height: 320 },
+    { viewportWidth: 1200, viewportHeight: 800 }
+  )
+    .idPrefix('rnd_')
+    .withInputOutput(true, false)
+    .classification('pneuma')
+    .allowedSourceTypes(['config', 'agent'])
+    .help(NODE_HELP.render)
+    .menu('Renderer', <Sparkles className={ICON_CLASS} />)
+    .connectionLabel('rendering')
+    .withFullscreen()
+    .build()
+}