server: return ids processed from send_refresh_websocket_handler

server/src/bin/letterbox-server.rs

@@ -200,15 +200,21 @@ async fn send_refresh_websocket_handler(
         None => Some(10),
     };
 
-    if let Err(err) = label_unprocessed(&nm, &pool, false, limit, "tag:unprocessed").await {
-        error!("Failed to label_unprocessed: {err:?}");
+    let mut ids = None;
+    match label_unprocessed(&nm, &pool, false, limit, "tag:unprocessed").await {
+        Ok(i) => ids = Some(i),
+        Err(err) => error!("Failed to label_unprocessed: {err:?}"),
     };
     connection_tracker
         .lock()
         .await
         .send_message_all(WebsocketMessage::RefreshMessages)
         .await;
-    "refresh triggered"
+    if let Some(ids) = ids {
+        format!("{ids:?}")
+    } else {
+        "refresh triggered".to_string()
+    }
 }
 
 async fn watch_new(