feat: set up basic sessions

sparse-server/src/users.rs

@@ -70,6 +70,7 @@ pub fn RenderUser(refresh_user_list: Action<(), ()>, user: PubUser) -> impl Into
     let UseIntervalReturn { counter, .. } = use_interval(1000);
     let (time_ago, set_time_ago) = signal(user.last_active.map(|active| format_delta(Utc::now() - active)));
 
+    #[cfg(feature = "hydrate")]
     Effect::watch(
         move || counter.get(),
         move |_, _, _| {
@@ -194,7 +195,7 @@ async fn list_users() -> Result<Vec<PubUser>, ServerFnError> {
 
     let users = sqlx::query_as!(
         DbUser,
-        "SELECT user_id, user_name, (SELECT MAX(expires) FROM sessions s WHERE s.user_id = u.user_id) as last_active FROM users u"
+        "SELECT user_id, user_name, last_active FROM users"
     )
         .fetch(&pool)
         .map(|user| user.map(|u| PubUser {