feat: major UI/UX overhaul, snippets system, and performance fixes

app/__tests__/components/ActivityFeed.test.tsx

@@ -64,7 +64,8 @@ describe('ActivityFeed NaN Handling', () => {
 
       // In the actual code, we use String(data.gaming.name || '')
       // If data.gaming.name is NaN, (NaN || '') evaluates to '' because NaN is falsy
-      const nanName = String(NaN || '');
+      const nanValue = NaN;
+      const nanName = String(nanValue || '');
       expect(nanName).toBe(''); // NaN is falsy, so it falls back to ''
       expect(typeof nanName).toBe('string');
     });