Improve type safety

src/hooks.server.ts

@@ -10,8 +10,7 @@ export const handleError = (({ error }) => {
   }
 
   return {
-    message: 'Whoops!',
-    code: (error as any)?.code ?? 'UNKNOWN'
+    message: `Something went wrong! ${error}`
   };
 }) satisfies HandleServerError;