final List<LlmMessage> messages = request.getMessages();
        // system + user = 2 messages
        assertEquals(2, messages.size());
        assertEquals("system", messages.get(0).getRole());
        assertEquals("user", messages.get(1).getRole());
        assertTrue(messages.get(1).getContent().contains("What is Fess?"));
        assertTrue(messages.get(1).getContent().contains("<user_input>"));
    }

delivery_mode  (number)    set to '1' for non-persistent or '2' for persistent queue
queue_dir      (path)      staging dir for undelivered messages e.g. '/home/events'
queue_limit    (number)    maximum limit for undelivered messages, defaults to '100000'
comment        (sentence)  optionally add a comment to this setting
```

Or environment variables

```
KEY:

     */
    protected int getHistoryMaxChars() {
        return 4000;
    }

    /**
     * Gets the maximum number of history messages for intent detection.
     * The default returns 6. Override in subclasses for provider-specific tuning.
     *
     * @return the maximum number of messages
     */
    protected int getIntentHistoryMaxMessages() {
        return 6;
    }

    /**

		}
		if err != nil {
			return np, grid.NewRemoteErr(err)
		}
	default:
		return np, grid.NewRemoteErr(errUnsupportedSignal)
	}
	return np, nil
}

// ListenHandler sends http trace messages back to peer rest client
func (s *peerRESTServer) ListenHandler(ctx context.Context, v *grid.URLValues, out chan<- *grid.Bytes) *grid.RemoteErr {
	values := v.Values()
	defer v.Recycle()
	var prefix string

// it will be stopped and joined.
TF_CAPI_EXPORT extern void TF_DeleteServer(TF_Server* server);

// Register a listener method that processes printed messages.
//
// If any listeners are registered, the print operator will call all listeners
// with the printed messages and immediately return without writing to the
// logs.
TF_CAPI_EXPORT extern void TF_RegisterLogListener(
    void (*listener)(const char*));

    `OkHttpClient.newWebSocket()`, send messages with `send()`, and receive messages with the
    `WebSocketListener`.

    The `okhttp-ws` submodule is no longer available and `okhttp-ws` artifacts from previous
    releases of OkHttp are not compatible with OkHttp 3.5. When upgrading to the new package
    please note that the `WebSocket` and `WebSocketCall` classes have been merged. Sending messages

    }

    /**
     * Gets the maximum number of history messages to retain.
     *
     * @return the maximum number of history messages
     */
    protected int getMaxHistoryMessages() {
        return ComponentUtil.getFessConfig().getRagChatHistoryMaxMessagesAsInteger();
    }

    /**

rag.chat.enabled=false


# Chat generation settings.
rag.chat.context.max.documents=5

# Session settings.
rag.chat.session.timeout.minutes=30
rag.chat.session.max.size=10000
rag.chat.history.max.messages=30

# Enhanced RAG flow settings.
# Fields to retrieve for full document content.
rag.chat.content.fields=title,url,content,doc_id,content_title,content_description
rag.chat.message.max.length=4000

labels.chat_phase_search=Searching for __keywords__...
labels.chat_phase_evaluate=Reviewing search results...
labels.chat_phase_fetch=Retrieving documents...
labels.chat_phase_answer=Generating answer...
labels.chat_messages_area=Chat messages
labels.chat_welcome_title=Ask and Discover.
labels.chat_welcome_description=Ask questions and I'll search through documents to find the answers you need.
labels.chat_step_intent=Analyze
labels.chat_step_search=Search

            if (token != null) {
                request = new Smb2SessionSetupRequest(this.getContext(), securityMode, negoResp.getCommonCapabilities(), 0, token);
                // here, messages are rejected with NOT_SUPPORTED if we start signing as soon as we can, wait until
                // session setup complete

                request.setSessionId(sessId);
                request.retainPayload();