feat: added a twist

frontend/src/hooks/useBacklinks.ts

@@ -0,0 +1,21 @@
+import { useMemo } from "react";
+import { useGraph } from "@/hooks/useGraph";
+
+export interface BacklinkPage {
+  name: string;
+  title: string | null;
+}
+
+export function useBacklinks(currentSlug: string | undefined): BacklinkPage[] {
+  const { data } = useGraph();
+  return useMemo(() => {
+    if (!data || !currentSlug) return [];
+    const nodeMap = new Map(data.nodes.map((n) => [n.id, n]));
+    return data.edges
+      .filter((e) => e.target === currentSlug)
+      .map((e) => ({
+        name: e.source,
+        title: nodeMap.get(e.source)?.title ?? null,
+      }));
+  }, [data, currentSlug]);
+}