*
     * @return the wait timeout in milliseconds
     */
    protected long getConcurrencyWaitTimeoutMs() {
        return Long.parseLong(ComponentUtil.getFessConfig().getOrDefault(getConfigPrefix() + ".concurrency.wait.timeout", "30000"));
    }

    /**
     * Executes a chat request with concurrency control via Semaphore.
     *

        if (StringUtil.isBlank(value)) {
            value = ComponentUtil.getFessConfig().getSystemProperty(AAD_STATE_TTL, "3600");
        }
        return Long.parseLong(value);
    }

    /**
     * Gets the reply URL for Entra ID authentication.
     * Uses new entraid.reply.url key with fallback to legacy aad.reply.url.
     * @param request The HTTP servlet request.