Function onError

app/store/chat.ts:498–518

(error)

            });
          },
          onError(error) {
            const isAborted = error.message?.includes?.("aborted");
            botMessage.content +=
              "\n\n" +
              prettyObject({
                error: true,
                message: error.message,
              });
            botMessage.streaming = false;
            userMessage.isError = !isAborted;
            botMessage.isError = !isAborted;
            get().updateTargetSession(session, (session) => {
              session.messages = session.messages.concat();
            });
            ChatControllerPool.remove(
              session.id,
              botMessage.id ?? messageIndex,
            );

            console.error("[Chat] failed ", error);
          },
          onController(controller) {
            // collect controller for stop/retry
            ChatControllerPool.addController(