Fix UI auto-scroll, make namespace optional, alias filePath, and downgrade ws logs

server/src/api/ws.rs

@@ -119,7 +119,7 @@ pub async fn handle_socket(socket: WebSocket, state: Arc<AppState>, _client_type
                     tracing::info!("Received non-text message from websocket: {:?}", other);
                 }
                 Err(e) => {
-                    tracing::error!("Websocket receive error: {}", e);
+                    tracing::warn!("Websocket receive error: {}", e);
                     break;
                 }
             }