chore: apply project-wide formatting and UI library updates

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

frontend/src/app.d.ts

@@ -10,5 +10,5 @@ declare global {
 	}
 }
 
-export { };
-declare module 'swiper/svelte';
+export {};
+declare module 'swiper/svelte';