}
        return content.substring(0, maxChars) + "...";
    }

    /**
     * Builds a smart summary of the assistant message for history.
     * Preserves the beginning (direct answer) and end (conclusion) of long responses,
     * omitting the middle section, and appends source titles.
     *
     * @param msg the assistant chat message
     * @param maxChars the maximum characters for the summary

        cliRequest.rootDirectory = rootLocator.findRoot(topDirectory);

        //
        // Make sure the Maven home directory is an absolute path to save us from confusion with say drive-relative
        // Windows paths.
        //
        String mavenHome = System.getProperty(Constants.MAVEN_HOME);

        if (mavenHome != null) {
            System.setProperty(

 *
 * ### IDNA Mapping and Punycode encoding
 *
 * Hostnames have different requirements and use a different encoding scheme. It consists of IDNA
 * mapping and Punycode encoding.
 *
 * In order to avoid confusion and discourage phishing attacks, [IDNA Mapping][idna] transforms
 * names to avoid confusing characters. This includes basic case folding: transforming shouting