feat: add weight

crates/nocontrol-tui/src/lib.rs

@@ -323,6 +323,7 @@ async fn run_app<
 ) -> anyhow::Result<()>
 where
     TOperator::Specifications: Send + Sync,
+    <B as Backend>::Error: Send + Sync + 'static,
 {
     // Spawn refresh task
     let app_clone = app.clone();