Added prefetch

furumi-client-core/src/client.rs

@@ -193,14 +193,13 @@ impl FurumiClient {
             .time_to_live(Duration::from_secs(30))
             .build();
 
-        let this = Self { client, attr_cache, dir_cache };
-        this.start_background_sync();
-        Ok(this)
+        Ok(Self { client, attr_cache, dir_cache })
     }
 
     /// Spawns background tasks that pre-warm the cache with a server snapshot and then
     /// subscribe to live change events to keep it up to date.
-    fn start_background_sync(&self) {
+    /// Must be called after a successful authentication check.
+    pub fn start_background_sync(&self) {
         let this = self.clone();
         tokio::spawn(async move {
             match this.load_snapshot("/", 3).await {