diff --git a/components/CategoryFilterWidget.tsx b/components/CategoryFilterWidget.tsx
index 992f1bc..3d14cfd 100644
--- a/components/CategoryFilterWidget.tsx
+++ b/components/CategoryFilterWidget.tsx
@@ -6,12 +6,26 @@ import { UsersIcon } from '@heroicons/react/24/outline';
 export const CategoryFilterWidget: React.FC = () => {
   const { shortcuts, filterCategory, setFilterCategory, filterProfile, setFilterProfile } = useGTab();
 
-  const activeCategories = useMemo(() => {
-    return ['All', ...new Set(shortcuts.map(s => s.category))];
-  }, [shortcuts]);
+  const { activeCategories, uniqueProfiles } = useMemo(() => {
+    // ⚡ Bolt Optimization: Consolidate category and profile extraction into a single loop
+    // Replaces multiple mapping/flatMapping operations with a fast single pass
+    const categorySet = new Set<string>();
+    const profileSet = new Set<string>();
+
+    for (let i = 0; i < shortcuts.length; i++) {
+      const s = shortcuts[i];
+      categorySet.add(s.category);
+      if (s.profiles) {
+        for (let j = 0; j < s.profiles.length; j++) {
+          profileSet.add(s.profiles[j].name);
+        }
+      }
+    }
 
-  const uniqueProfiles = useMemo(() => {
-    return Array.from(new Set(shortcuts.flatMap(s => s.profiles?.map(p => p.name) || []))).sort();
+    return {
+      activeCategories: ['All', ...categorySet],
+      uniqueProfiles: Array.from(profileSet).sort()
+    };
   }, [shortcuts]);
 
   return (
diff --git a/src/vite-env.d.ts b/src/vite-env.d.ts
new file mode 100644
index 0000000..11f02fe
--- /dev/null
+++ b/src/vite-env.d.ts
@@ -0,0 +1 @@
+/// <reference types="vite/client" />