return BeanUtil.copyBeanToNewBean(src, destClass);
    }

    /**
     * Builds a comprehensive error message from a throwable and its causes.
     * This method traverses the cause chain and concatenates all error messages.
     *
     * @param t the throwable to build message from
     * @return a string containing all error messages in the cause chain
     */

                }
                message = e.getMessage();
            } else {
                final String errorCode = UUID.randomUUID().toString();
                message = "[" + errorCode + "] Failed to access to Web API.";
                if (statusCode >= 400 && statusCode < 500) {
                    if (logger.isDebugEnabled()) {
                        logger.debug(message, e);
                    }

 */
public class ChatForm {

    /**
     * Default constructor.
     */
    public ChatForm() {
        // Default constructor
    }

    /**
     * The user's message/question.
     */
    @Size(max = 4000)
    public String message;

    /**
     * The session ID for conversation continuity.
     */
    @Size(max = 100)
    public String sessionId;

    /**

                                <%-- Card Body --%>
                            <div class="card-body">
                                    <%-- Message --%>
                                <div>
                                    <la:info id="msg" message="true">
                                        <div class="alert alert-success">${msg}</div>
                                    </la:info>

                            </div>
                            <div class="card-body">
                                    <%-- Message --%>
                                <div>
                                    <la:info id="msg" message="true">
                                        <div class="alert alert-success">${msg}</div>
                                    </la:info>

    private final LinkedList<String> contextStack = new LinkedList<String>();

    @Override
    public void warning(String message) {
        LOGGER.warn(String.format("%s: %s", contextStack.getFirst(), message));
    }

    @Override
    public void start(String context) {
        contextStack.addFirst(context);
    }

    @Override
    public void finish() {

    protected JsonResponse<ApiResult> asJson(final ApiResult bean) {
        return new JsonResponse<>(bean);
    }

    protected ApiResult createFailureBean(final Status status, final String message) {
        return new ApiErrorResponse().message(message).status(status).result();
    }

    protected String createMessage(final ApiFailureResource resource, final Throwable cause) {
        if (!resource.getMessageList().isEmpty()) {

                                </div>
                            </div>
                            <div class="card-body">
                                    <%-- Message --%>
                                <div>
                                    <la:info id="msg" message="true">
                                        <div class="alert alert-success">${msg}</div>
                                    </la:info>

                                </div>
                            </div>
                            <div class="card-body">
                                    <%-- Message --%>
                                <div>
                                    <la:info id="msg" message="true">
                                        <div class="alert alert-success">${msg}</div>
                                    </la:info>

                                </div>
                            </div>
                            <div class="card-body">
                                    <%-- Message --%>
                                <div>
                                    <la:info id="msg" message="true">
                                        <div class="alert alert-success">${msg}</div>
                                    </la:info>