Function applyLoadFailure

src/stores/chat.ts:3083–3093

(errorMessage: string | null)

      };

      const applyLoadFailure = (errorMessage: string | null) => {
        if (!isCurrentSession()) return;
        set((state) => {
          const mergedMessages = mergePendingOptimisticUserMessages(currentSessionKey, state.messages);
          return {
            loading: false,
            error: shouldShowForegroundLoading && errorMessage ? errorMessage : state.error,
            ...(mergedMessages.length > 0 ? { messages: mergedMessages } : { messages: [] as RawMessage[] }),
          };
        });
      };

      const applyLoadedMessages = (rawMessages: RawMessage[], thinkingLevel: string | null) => {
      // Guard: if the user switched sessions while this async load was in