feat: add functions to retrieve unique snippet tags and category counts

frontends/nextjs/src/lib/lua/functions/get-all-snippet-tags.ts

@@ -0,0 +1,17 @@
+import { LUA_SNIPPETS } from '../snippets/lua-snippets-data'
+
+/**
+ * Get all unique tags across snippets
+ * @returns Sorted list of tags
+ */
+export const getAllSnippetTags = (): string[] => {
+  const tagSet = new Set<string>()
+
+  for (const snippet of LUA_SNIPPETS) {
+    for (const tag of snippet.tags) {
+      tagSet.add(tag)
+    }
+  }
+
+  return Array.from(tagSet).sort()
+}

frontends/nextjs/src/lib/lua/functions/get-snippet-category-counts.ts

@@ -0,0 +1,15 @@
+import { LUA_SNIPPETS } from '../snippets/lua-snippets-data'
+
+/**
+ * Get count of snippets per category
+ * @returns Category counts with "All" included
+ */
+export const getSnippetCategoryCounts = (): Record<string, number> => {
+  const counts: Record<string, number> = { All: LUA_SNIPPETS.length }
+
+  for (const snippet of LUA_SNIPPETS) {
+    counts[snippet.category] = (counts[snippet.category] || 0) + 1
+  }
+
+  return counts
+}