Rich text editor

<IsabyteRichTextEditor Placeholder="Start writing your content here..."
                   EnabledToolbarGroups="RteToolbarGroup.All"
                   AllowedExportFormats="@(new[] { RteExportFormat.HtmlBlob, RteExportFormat.HtmlPage, RteExportFormat.Docx })"
                   OnContentChanged="OnContentChanged"
                   OnExport="OnExport"
                   OnSelectionChange="OnSelectionChange"
                   InitialContent="@initialContent" />

@code {
    private const string initialContent = "<h1>Welcome</h1><p>Start editing this content.</p>";

    private void OnContentChanged(string html)
    {
        Console.WriteLine($"Content length: {html.Length}");
    }

    private void OnExport(RteExportResult result)
    {
        Console.WriteLine($"Export: {result.Format} -> {result.FileName}");
    }

    private void OnSelectionChange(RteSelectionChangeEventArgs args)
    {
        Console.WriteLine($"Active formats: {string.Join(", ", args.Formats.Keys)}");
    }
}