Update bundle backtests

.cursor/rules/fullstack.mdc

@@ -75,7 +75,7 @@ Key Principles
   - Use mobile-first approach for responsive design.
   - Place static content and interfaces at file end.
   - Use content variables for static content outside render functions.
-  - Minimize 'use client', 'useEffect', and 'setState'. Favor RSC.
+  - Never use useEffect() to fetch data, use tanstack UseQuery instead
   - Wrap client components in Suspense with fallback.
   - Use dynamic loading for non-critical components.
   - Optimize images: WebP format, size data, lazy loading.