feat: add new input processors (readline), add new figlet font

ReplLoop.cs

@@ -22,7 +22,6 @@ internal sealed class ReplLoop
 
     public async Task RunAsync()
     {
-        AnsiConsole.MarkupLine("[dim]Type your message, or use [bold]/help[/] to see commands.[/]");
         AnsiConsole.MarkupLine("[dim]Press [bold]Ctrl+C[/] to cancel the current response.[/]");
         AnsiConsole.WriteLine();
 
@@ -36,7 +35,8 @@ internal sealed class ReplLoop
 
         while (true)
         {
-            string input = ReadLine.Read("❯ ");
+            AnsiConsole.Markup("[grey]❯ [/]");
+            string input = InputProcessor.ReadLine("Type your message, or use [bold]/help[/] to see commands.");
 
             if (string.IsNullOrWhiteSpace(input)) continue;
 
@@ -188,7 +188,6 @@ internal sealed class ReplLoop
                 }
 
                 AnsiConsole.Write(new Rule().RuleStyle(Style.Parse("grey dim")));
-                AnsiConsole.WriteLine();
 
                 _session.History.Add(new ChatMessage(ChatRole.Assistant, fullResponse));