Fix error in logout procedure and guard for each route (#439)

web/src/hooks.ts

@@ -1,6 +1,6 @@
 import type { ExternalFetch, GetSession, Handle } from '@sveltejs/kit';
 import * as cookie from 'cookie';
-import { api, serverApi } from '@api';
+import { serverApi } from '@api';
 
 export const handle: Handle = async ({ event, resolve }) => {
 	const cookies = cookie.parse(event.request.headers.get('cookie') || '');