diff --git a/frontend-web/src/components/workspace/skill-display-sources.tsx b/frontend-web/src/components/workspace/skill-display-sources.tsx
index b3db288a..554d3603 100644
--- a/frontend-web/src/components/workspace/skill-display-sources.tsx
+++ b/frontend-web/src/components/workspace/skill-display-sources.tsx
@@ -16,6 +16,10 @@ import { cn } from "@/lib/utils";
 import { useState } from "react";
 import { WeKnoraSourceDrawer } from "@/strategy-components/components/resource-management/llmwiki/WeKnoraSourceDrawer";
 
+export function isWeKnoraSourcePreviewUrl(url?: string): boolean {
+  return resolveWeKnoraSourceTarget({ url }) !== null;
+}
+
 export function SkillDisplaySources({
   highlightedReferenceId,
   sources,