Добавьте файлы проекта.

Demo/Pages/FilesPage.cs

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+using BotPages.Core;
+
+namespace Demo.Pages
+{
+    public sealed class FilesPage : Page
+    {
+        public static string Id => nameof(FilesPage);
+
+        public override Task<PageResult> EnterAsync(UpdateContext ctx, CancellationToken ct)
+        {
+            var actions = new[]
+            {
+                new PageAction { Label = "⬅️ Назад", Value = "back", Placement = ActionPlacement.Reply, Row = 0 }
+            };
+
+            return Task.FromResult(
+                PageResultBuilder.Empty()
+                    .WithText("📂 Здесь можно загрузить или отправить файл.")
+                    .WithKeyboard(actions)
+                    .Build()
+            );
+        }
+
+        public override async Task<PageResult> HandleAsync(UpdateContext ctx, CancellationToken ct)
+        {
+            if (ctx.Text == "⬅️ Назад")
+                return PageResultBuilder.Empty().WithNavigate(nameof(MainPage)).Build();
+
+            if (ctx.IncomingFiles?.Count > 0)
+            {
+                await ctx.Client.SendFilesAsync(ctx.Chat.Id, ctx.IncomingFiles, ct);
+                return PageResultBuilder.Empty().WithText("Файл получен и отправлен обратно.").Build();
+            }
+
+            return PageResultBuilder.Empty().WithText("Пришлите файл или нажмите 'Назад'.").Build();
+        }
+    }
+
+}

Demo/Pages/InlinePage.cs

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+using BotPages.Core;
+
+namespace Demo.Pages
+{
+    public sealed class InlinePage : Page
+    {
+        public override string Id => nameof(InlinePage);
+
+        public override Task<PageResult> EnterAsync(UpdateContext ctx, CancellationToken ct)
+        {
+            var actions = new[]
+            {
+            new PageAction { Label = "⬅️ Назад", Value = "back", Placement = ActionPlacement.Inline, Row = 0 }
+        };
+
+            return Task.FromResult(
+                PageResultBuilder.Empty()
+                    .WithText("Это страница с Inline‑кнопками.")
+                    .WithKeyboard(actions)
+                    .Build()
+            );
+        }
+
+        public override Task<PageResult> HandleAsync(UpdateContext ctx, CancellationToken ct)
+        {
+            if (ctx.Text == "back")
+                return Task.FromResult(PageResultBuilder.Empty().WithNavigate(nameof(MainPage)).Build());
+
+            return Task.FromResult(PageResultBuilder.Empty().WithText("Нажмите кнопку 'Назад'.").Build());
+        }
+    }
+
+
+
+}

Demo/Pages/MainPage.cs

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+using BotPages.Core;
+
+namespace Demo.Pages
+{
+    public sealed class MainPage : Page
+    {
+        public override string Id => nameof(MainPage);
+
+        public override Task<PageResult> EnterAsync(UpdateContext ctx, CancellationToken ct)
+        {
+            var actions = new[]
+            {
+                new PageAction { Label = "📌 Inline", Value = "inline", Placement = ActionPlacement.Reply, Row = 0 },
+                new PageAction { Label = "⌨️ Reply", Value = "reply", Placement = ActionPlacement.Reply, Row = 1 },
+                new PageAction { Label = "📂 Файлы", Value = "files", Placement = ActionPlacement.Reply, Row = 2 }
+            };
+
+            return Task.FromResult(
+                PageResultBuilder.Empty()
+                    .WithText("🏠 Главная страница.\nВыберите куда перейти:")
+                    .WithKeyboard(actions)
+                    .Build()
+            );
+        }
+
+        public override Task<PageResult> HandleAsync(UpdateContext ctx, CancellationToken ct)
+        {
+            return ctx.Text switch
+            {
+                "📌 Inline" => Task.FromResult(PageResultBuilder.Empty().WithNavigate(nameof(InlinePage)).Build()),
+                "⌨️ Reply" => Task.FromResult(PageResultBuilder.Empty().WithNavigate(nameof(ReplyPage)).Build()),
+                "📂 Файлы" => Task.FromResult(PageResultBuilder.Empty().WithNavigate(nameof(FilesPage)).Build()),
+                _ => Task.FromResult(PageResultBuilder.Empty().WithText("Выберите действие с кнопок.").Build())
+            };
+        }
+    }
+
+}

Demo/Pages/ReplyPage.cs

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+using BotPages.Core;
+
+namespace Demo.Pages
+{
+    public sealed class ReplyPage : Page
+    {
+        public override string Id => nameof(ReplyPage);
+
+        public override Task<PageResult> EnterAsync(UpdateContext ctx, CancellationToken ct)
+        {
+            var actions = new[]
+            {
+                new PageAction { Label = "⬅️ Назад", Value = "back", Placement = ActionPlacement.Reply, Row = 0 }
+            };
+
+            return Task.FromResult(
+                PageResultBuilder.Empty()
+                    .WithText("Это страница с Reply‑клавиатурой.")
+                    .WithKeyboard(actions)
+                    .Build()
+            );
+        }
+
+        public override Task<PageResult> HandleAsync(UpdateContext ctx, CancellationToken ct)
+        {
+            if (ctx.Text == "⬅️ Назад")
+                return Task.FromResult(PageResultBuilder.Empty().WithNavigate(nameof(MainPage)).Build());
+
+            return Task.FromResult(PageResultBuilder.Empty().WithText("Нажмите кнопку 'Назад'.").Build());
+        }
+    }
+
+}