useSearchParams can only be used on the clientside. Even tho the client components are still rendered SSR and only hydrated on the client, it should still be wrapped in a suspense boundary when the docs dont tell anything else.
Can you share the docs where it say, that you dont need to add a suspense boundary when having a client components that is SSR rendered?

the docs say: If a route is dynamically rendered, useSearchParams will be available on the server during the initial server render of the Client Component. https://nextjs.org/docs/app/api-reference/functions/use-search-params#dynamic-rendering

here the example doesnt use Suspend... it only uses await connection() to make sure the page is dynamic...

hmm interesting. Yea, then you dont need it there