diff --git a/src/extensions/core/widgetInputs.ts b/src/extensions/core/widgetInputs.ts
index 879e79976..3237c2839 100644
--- a/src/extensions/core/widgetInputs.ts
+++ b/src/extensions/core/widgetInputs.ts
@@ -19,7 +19,7 @@ import {
   addValueControlWidgets,
   isValidWidgetType
 } from '@/scripts/widgets'
-import { CONFIG, GET_CONFIG } from '@/services/litegraphService'
+import { CONFIG, GET_CONFIG } from '@/lib/litegraph/constants'
 import { mergeInputSpec } from '@/utils/nodeDefUtil'
 import { applyTextReplacements } from '@/utils/searchAndReplace'
 import { isPrimitiveNode } from '@/renderer/utils/nodeTypeGuards'
diff --git a/src/lib/litegraph/constants.ts b/src/lib/litegraph/constants.ts
new file mode 100644
index 000000000..1a4299010
--- /dev/null
+++ b/src/lib/litegraph/constants.ts
@@ -0,0 +1,14 @@
+/**
+ * Symbols used for widget configuration in litegraph nodes.
+ * Extracted to break circular dependencies between litegraphService and extensions.
+ */
+
+/**
+ * Symbol used to access the config object on a widget.
+ */
+export const CONFIG = Symbol('CONFIG')
+
+/**
+ * Symbol used to access the config getter function on a widget.
+ */
+export const GET_CONFIG = Symbol('GET_CONFIG')
diff --git a/src/services/litegraphService.ts b/src/services/litegraphService.ts
index 18d281973..ed2bd510a 100644
--- a/src/services/litegraphService.ts
+++ b/src/services/litegraphService.ts
@@ -1,5 +1,7 @@
 import _ from 'es-toolkit/compat'
 
+import { CONFIG, GET_CONFIG } from '@/lib/litegraph/constants'
+export { CONFIG, GET_CONFIG }
 import { downloadFile } from '@/base/common/downloadUtil'
 import { useSelectedLiteGraphItems } from '@/composables/canvas/useSelectedLiteGraphItems'
 import { useSubgraphOperations } from '@/composables/graph/useSubgraphOperations'
@@ -68,9 +70,6 @@ export interface HasInitialMinSize {
   _initialMinSize: { width: number; height: number }
 }
 
-export const CONFIG = Symbol()
-export const GET_CONFIG = Symbol()
-
 /**
  * Service that augments litegraph with ComfyUI specific functionality.
  */