diff --git a/src/composables/useCoreCommands.ts b/src/composables/useCoreCommands.ts
index f691ff7f1..8395fdcf6 100644
--- a/src/composables/useCoreCommands.ts
+++ b/src/composables/useCoreCommands.ts
@@ -6,7 +6,6 @@ import {
   DEFAULT_DARK_COLOR_PALETTE,
   DEFAULT_LIGHT_COLOR_PALETTE
 } from '@/constants/coreColorPalettes'
-import { tryToggleWidgetPromotion } from '@/core/graph/subgraph/proxyWidgetUtils'
 import { showSubgraphNodeDialog } from '@/core/graph/subgraph/useSubgraphNodeDialog'
 import { t } from '@/i18n'
 import {
@@ -1033,7 +1032,12 @@ export function useCoreCommands(): ComfyCommand[] {
       icon: 'icon-[lucide--arrow-left-right]',
       label: 'Toggle promotion of hovered widget',
       versionAdded: '1.30.1',
-      function: tryToggleWidgetPromotion
+      function: async () => {
+        const { tryToggleWidgetPromotion } = await import(
+          '@/renderer/graph/subgraph/proxyWidgetUtils'
+        )
+        tryToggleWidgetPromotion()
+      }
     },
     {
       id: 'Comfy.OpenManagerDialog',
diff --git a/src/core/graph/subgraph/SubgraphNode.vue b/src/core/graph/subgraph/SubgraphNode.vue
index 7be5246f2..25b2149fc 100644
--- a/src/core/graph/subgraph/SubgraphNode.vue
+++ b/src/core/graph/subgraph/SubgraphNode.vue
@@ -11,6 +11,12 @@ import {
 
 import SearchBox from '@/components/common/SearchBox.vue'
 import SubgraphNodeWidget from '@/core/graph/subgraph/SubgraphNodeWidget.vue'
+import { parseProxyWidgets } from '@/core/schemas/proxyWidget'
+import type { ProxyWidgetsProperty } from '@/core/schemas/proxyWidget'
+import type { LGraphNode } from '@/lib/litegraph/src/litegraph'
+import { SubgraphNode } from '@/lib/litegraph/src/subgraph/SubgraphNode'
+import type { IBaseWidget } from '@/lib/litegraph/src/types/widgets'
+import { useCanvasStore } from '@/renderer/core/canvas/canvasStore'
 import {
   demoteWidget,
   isRecommendedWidget,
@@ -19,14 +25,8 @@ import {
   promoteWidget,
   pruneDisconnected,
   widgetItemToProperty
-} from '@/core/graph/subgraph/proxyWidgetUtils'
-import type { WidgetItem } from '@/core/graph/subgraph/proxyWidgetUtils'
-import { parseProxyWidgets } from '@/core/schemas/proxyWidget'
-import type { ProxyWidgetsProperty } from '@/core/schemas/proxyWidget'
-import type { LGraphNode } from '@/lib/litegraph/src/litegraph'
-import { SubgraphNode } from '@/lib/litegraph/src/subgraph/SubgraphNode'
-import type { IBaseWidget } from '@/lib/litegraph/src/types/widgets'
-import { useCanvasStore } from '@/renderer/core/canvas/canvasStore'
+} from '@/renderer/graph/subgraph/proxyWidgetUtils'
+import type { WidgetItem } from '@/renderer/graph/subgraph/proxyWidgetUtils'
 import { DraggableList } from '@/scripts/ui/draggableList'
 import { useLitegraphService } from '@/services/litegraphService'
 import { useDialogStore } from '@/stores/dialogStore'
diff --git a/src/lib/litegraph/src/types/widgets.ts b/src/lib/litegraph/src/types/widgets.ts
index 16fb791c4..01c444efd 100644
--- a/src/lib/litegraph/src/types/widgets.ts
+++ b/src/lib/litegraph/src/types/widgets.ts
@@ -314,7 +314,7 @@ export interface IBaseWidget<
    * This property is automatically computed on graph change
    * and should not be changed.
    * Promoted widgets have a colored border
-   * @see /core/graph/subgraph/proxyWidget.registerProxyWidgets
+   * @see /renderer/graph/subgraph/proxyWidget.registerProxyWidgets
    */
   promoted?: boolean
 
diff --git a/src/core/graph/subgraph/proxyWidget.ts b/src/renderer/graph/subgraph/proxyWidget.ts
similarity index 99%
rename from src/core/graph/subgraph/proxyWidget.ts
rename to src/renderer/graph/subgraph/proxyWidget.ts
index ef04bd76b..cb2432fbd 100644
--- a/src/core/graph/subgraph/proxyWidget.ts
+++ b/src/renderer/graph/subgraph/proxyWidget.ts
@@ -1,7 +1,7 @@
 import {
   demoteWidget,
   promoteRecommendedWidgets
-} from '@/core/graph/subgraph/proxyWidgetUtils'
+} from '@/renderer/graph/subgraph/proxyWidgetUtils'
 import { parseProxyWidgets } from '@/core/schemas/proxyWidget'
 import type { NodeProperty } from '@/lib/litegraph/src/LGraphNode'
 import type {
diff --git a/src/core/graph/subgraph/proxyWidgetUtils.ts b/src/renderer/graph/subgraph/proxyWidgetUtils.ts
similarity index 95%
rename from src/core/graph/subgraph/proxyWidgetUtils.ts
rename to src/renderer/graph/subgraph/proxyWidgetUtils.ts
index 27961e54d..86b1150f4 100644
--- a/src/core/graph/subgraph/proxyWidgetUtils.ts
+++ b/src/renderer/graph/subgraph/proxyWidgetUtils.ts
@@ -3,7 +3,7 @@ import type { ProxyWidgetsProperty } from '@/core/schemas/proxyWidget'
 import {
   isProxyWidget,
   isDisconnectedWidget
-} from '@/core/graph/subgraph/proxyWidget'
+} from '@/renderer/graph/subgraph/proxyWidget'
 import { t } from '@/i18n'
 import type {
   IContextMenuValue,
@@ -13,7 +13,10 @@ import type { SubgraphNode } from '@/lib/litegraph/src/subgraph/SubgraphNode'
 import type { IBaseWidget } from '@/lib/litegraph/src/types/widgets.ts'
 import { useToastStore } from '@/platform/updates/common/toastStore'
 import { useCanvasStore } from '@/renderer/core/canvas/canvasStore'
-import { useLitegraphService } from '@/services/litegraphService'
+import {
+  registerAddWidgetPromotionOptions,
+  useLitegraphService
+} from '@/services/litegraphService'
 import { useSubgraphNavigationStore } from '@/stores/subgraphNavigationStore'
 
 type PartialNode = Pick<LGraphNode, 'title' | 'id' | 'type'>
@@ -86,7 +89,7 @@ function getParentNodes(): SubgraphNode[] {
   )
 }
 
-export function addWidgetPromotionOptions(
+function addWidgetPromotionOptions(
   options: (IContextMenuValue<unknown> | null)[],
   widget: IBaseWidget,
   node: LGraphNode
@@ -111,6 +114,8 @@ export function addWidgetPromotionOptions(
     })
   }
 }
+
+registerAddWidgetPromotionOptions(addWidgetPromotionOptions)
 export function tryToggleWidgetPromotion() {
   const canvas = useCanvasStore().getCanvas()
   const [x, y] = canvas.graph_mouse
diff --git a/src/scripts/app.ts b/src/scripts/app.ts
index d26698c62..cc305ee6e 100644
--- a/src/scripts/app.ts
+++ b/src/scripts/app.ts
@@ -5,7 +5,7 @@ import { reactive, unref } from 'vue'
 import { shallowRef } from 'vue'
 
 import { useCanvasPositionConversion } from '@/composables/element/useCanvasPositionConversion'
-import { registerProxyWidgets } from '@/core/graph/subgraph/proxyWidget'
+import { registerProxyWidgets } from '@/renderer/graph/subgraph/proxyWidget'
 import { st, t } from '@/i18n'
 import type { IContextMenuValue } from '@/lib/litegraph/src/interfaces'
 import {
diff --git a/src/services/litegraphService.ts b/src/services/litegraphService.ts
index 35562533b..ab0c3dbe3 100644
--- a/src/services/litegraphService.ts
+++ b/src/services/litegraphService.ts
@@ -5,7 +5,6 @@ import { useSelectedLiteGraphItems } from '@/composables/canvas/useSelectedLiteG
 import { useNodeAnimatedImage } from '@/composables/node/useNodeAnimatedImage'
 import { useNodeCanvasImagePreview } from '@/composables/node/useNodeCanvasImagePreview'
 import { useNodeImage, useNodeVideo } from '@/composables/node/useNodeImage'
-import { addWidgetPromotionOptions } from '@/core/graph/subgraph/proxyWidgetUtils'
 import { showSubgraphNodeDialog } from '@/core/graph/subgraph/useSubgraphNodeDialog'
 import { st, t } from '@/i18n'
 import {
@@ -22,6 +21,7 @@ import type {
   Point,
   Subgraph
 } from '@/lib/litegraph/src/litegraph'
+import type { IBaseWidget } from '@/lib/litegraph/src/types/widgets'
 import type {
   ExportedSubgraphInstance,
   ISerialisableNodeInput,
@@ -62,6 +62,20 @@ import { useExtensionService } from './extensionService'
 export const CONFIG = Symbol()
 export const GET_CONFIG = Symbol()
 
+type AddWidgetPromotionOptionsFn = (
+  options: (IContextMenuValue<unknown> | null)[],
+  widget: IBaseWidget,
+  node: LGraphNode
+) => void
+
+let addWidgetPromotionOptionsFn: AddWidgetPromotionOptionsFn | undefined
+
+export const registerAddWidgetPromotionOptions = (
+  handler: AddWidgetPromotionOptionsFn | undefined
+) => {
+  addWidgetPromotionOptionsFn = handler
+}
+
 /**
  * Service that augments litegraph with ComfyUI specific functionality.
  */
@@ -826,7 +840,7 @@ export const useLitegraphService = () => {
         const [x, y] = canvas.graph_mouse
         const overWidget = this.getWidgetOnPos(x, y, true)
         if (overWidget) {
-          addWidgetPromotionOptions(options, overWidget, this)
+          addWidgetPromotionOptionsFn?.(options, overWidget, this)
         }
       }
 
diff --git a/tests-ui/tests/widgets/proxyWidget.test.ts b/tests-ui/tests/widgets/proxyWidget.test.ts
index 940ee66f0..78b70265b 100644
--- a/tests-ui/tests/widgets/proxyWidget.test.ts
+++ b/tests-ui/tests/widgets/proxyWidget.test.ts
@@ -1,6 +1,6 @@
 import { describe, expect, test, vi } from 'vitest'
 
-import { registerProxyWidgets } from '@/core/graph/subgraph/proxyWidget'
+import { registerProxyWidgets } from '@/renderer/graph/subgraph/proxyWidget'
 import { parseProxyWidgets } from '@/core/schemas/proxyWidget'
 import { LGraphNode } from '@/lib/litegraph/src/litegraph'
 import type { LGraphCanvas, SubgraphNode } from '@/lib/litegraph/src/litegraph'