feat: avoid dupe topnav matches

Author: jxom

.changeset/fuzzy-pans-talk.md

@@ -0,0 +1,5 @@
+---
+"vocs": patch
+---
+
+Enhanced sidebar active match mechanism to avoid duplicate topnav matches.

src/app/hooks/useActiveNavIds.ts

@@ -9,15 +9,21 @@ function getActiveNavIds({
   pathname: string
 }): number[] {
   const path = pathname.replace(/\.html$/, '')
-  const activeIds = []
+  const matches: { id: number; children: number[] }[] = []
+
   for (const item of items) {
-    if (item.link && path.startsWith(item.match || item.link)) activeIds.push(item.id)
+    if (item.link && path.startsWith(item.match || item.link))
+      matches.push({ id: item.id, children: [] })
     else if (item.items) {
       const activeChildItems = getActiveNavIds({ items: item.items, pathname })
-      if (activeChildItems.length > 0) activeIds.push(item.id)
+      if (activeChildItems.length > 0) matches.push({ id: item.id, children: activeChildItems })
     }
   }
-  return activeIds
+
+  // Return only the last match and its children (prefer most specific/last match)
+  if (matches.length === 0) return []
+  const lastMatch = matches[matches.length - 1]
+  return [lastMatch.id, ...lastMatch.children]
 }
 
 export function useActiveNavIds({