Переработанная версия ядра

Demo/Pages/WelcomePage.cs

@@ -0,0 +1,56 @@
+using BotPages.Core;
+using BotPages.Core.Abstractions;
+using BotPages.Core.Messaging;
+
+namespace Demo.Pages;
+
+/// <summary>
+/// Стартовая страница демо‑бота.
+/// </summary>
+public sealed class WelcomePage : SingletonPage
+{
+    public override Task OnEnter(PageContext ctx, CancellationToken ct)
+        => new MessageBuilder(ctx)
+            .Text("Добро пожаловать! 🚀")
+            .Reply(WelcomePageButtons.CreateRequest)
+            .Reply(WelcomePageButtons.Help)
+            .Reply(WelcomePageButtons.SendFile)
+            .SendAsync(ct);
+
+    public override Task OnText(PageContext ctx, string text, CancellationToken ct)
+    {
+        var button = ButtonExtensions.FromButtonLabel<WelcomePageButtons>(text);
+
+        switch (button)
+        {
+            case WelcomePageButtons.CreateRequest:
+                {
+                    return ctx.Navigation.GoToAsync<TitlePage>(ctx, ct);
+                }
+
+            case WelcomePageButtons.Help:
+                {
+                    return new MessageBuilder(ctx).Text("Здесь будет справка.", MessageFormat.Plain).SendAsync(ct);
+                }
+
+            case WelcomePageButtons.SendFile:
+                {
+                    return ctx.Navigation.GoToAsync<FileSendPage>(ctx, ct);
+                }
+        }
+
+        return base.OnText(ctx, text, ct);
+    }
+}
+
+public enum WelcomePageButtons
+{
+    [Button("Создать заявку")]
+    CreateRequest,
+
+    [Button("Помощь")]
+    Help,
+
+    [Button("Отправка файла")]
+    SendFile,
+}