refactor: nodes as builder pattern

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

@@ -0,0 +1,42 @@
+import React from 'react'
+import { ScrollText } from 'lucide-react'
+import { createNodeTypeBuilder } from '@/lib/nodeTypeBuilder'
+import { NODE_HELP } from '@/lib/nodeHelp'
+import { getResolvedContentForConfig } from './renderingLogic'
+import type { NodeTypeDescriptor } from '@/lib/nodeRegistry'
+import ConfigNode from './ConfigNode'
+
+const ICON_CLASS = 'mr-2 h-4 w-4'
+
+export function getConfigNodeDescriptor(): NodeTypeDescriptor {
+  return createNodeTypeBuilder(
+    'config',
+    ConfigNode,
+    { width: 320, height: 320 },
+    { configType: 'plantuml', content: '@startuml\n\n@enduml\n', title: '' }
+  )
+    .idPrefix('cfg_')
+    .withInputOutput(true, true)
+    .classification('psyche')
+    .allowedSourceTypes(['config', 'variable', 'function', 'data'])
+    .allowedTargetTypes(['config', 'render', 'agent'])
+    .help(NODE_HELP.config)
+    .menu('Config', <ScrollText className={ICON_CLASS} />)
+    .getDefaultData((newId) => ({
+      configType: 'plantuml',
+      content: '@startuml\n\n@enduml\n',
+      title: newId ?? '',
+    }))
+    .getResetData((nodeId) => ({
+      configType: 'plantuml',
+      content: '@startuml\n\n@enduml\n',
+      title: nodeId ?? '',
+    }))
+    .connectionLabel('adding input')
+    .withFullscreen()
+    .sourceRenderingLogic({
+      defaultUpdateMode: 'auto',
+      getResolvedContent: getResolvedContentForConfig,
+    })
+    .build()
+}