Implement /model command to return the current session model

PolyPilot.Console/Program.cs

@@ -129,6 +129,10 @@ private static async Task<bool> HandleCommandAsync(ParsedCommand command)
                 HandleStatus();
                 break;
 
+            case CommandType.Model:
+                HandleModel();
+                break;
+
             case CommandType.Clear:
                 HandleClear();
                 break;
@@ -342,6 +346,19 @@ private static void HandleStatus()
         }
     }
 
+    private static void HandleModel()
+    {
+        var session = _sessionManager.GetActiveSession();
+
+        if (session == null)
+        {
+            AnsiConsole.MarkupLine("[yellow]No active session. Use /new <name> to create one.[/]");
+            return;
+        }
+
+        AnsiConsole.MarkupLine($"[bold]Model:[/] [yellow]{session.Model}[/]");
+    }
+
     private static void HandleClear()
     {
         var session = _sessionManager.GetActiveSession();
@@ -415,6 +432,7 @@ private static void PrintCommandHelp()
         table.AddRow("/list", "List all active sessions");
         table.AddRow("/close <name>", "Close a session");
         table.AddRow("/status", "Show current session info");
+        table.AddRow("/model", "Show current session's model");
         table.AddRow("/clear", "Clear current session history");
         table.AddRow("/help", "Show this help");
         table.AddRow("/quit", "Exit application");
@@ -438,6 +456,7 @@ private static void PrintHelp()
         Console.WriteLine("  /list                List all sessions");
         Console.WriteLine("  /close <name>        Close a session");
         Console.WriteLine("  /status              Show current session info");
+        Console.WriteLine("  /model               Show current session's model");
         Console.WriteLine("  /clear               Clear current session history");
         Console.WriteLine("  /quit                Exit application");
     }

PolyPilot.Console/Services/CommandParser.cs

@@ -9,6 +9,7 @@ public enum CommandType
     ListSessions,
     CloseSession,
     Status,
+    Model,
     Clear,
     Help,
     Quit,
@@ -43,6 +44,7 @@ public static ParsedCommand Parse(string input)
             "/list" or "/ls" => new ParsedCommand(CommandType.ListSessions),
             "/close" => new ParsedCommand(CommandType.CloseSession, arg1),
             "/status" => new ParsedCommand(CommandType.Status),
+            "/model" => new ParsedCommand(CommandType.Model),
             "/clear" => new ParsedCommand(CommandType.Clear),
             "/help" or "/?" => new ParsedCommand(CommandType.Help),
             "/quit" or "/exit" or "/q" => new ParsedCommand(CommandType.Quit),

PolyPilot.Tests/CommandParserTests.cs

@@ -0,0 +1,64 @@
+using PolyPilot.Services;
+using Xunit;
+
+namespace PolyPilot.Tests;
+
+public class CommandParserTests
+{
+    [Fact]
+    public void Model_Command_Returns_ModelType()
+    {
+        var result = CommandParser.Parse("/model");
+        Assert.Equal(CommandType.Model, result.Type);
+    }
+
+    [Fact]
+    public void Model_Command_CaseInsensitive()
+    {
+        var result = CommandParser.Parse("/MODEL");
+        Assert.Equal(CommandType.Model, result.Type);
+    }
+
+    [Fact]
+    public void Model_Command_WithWhitespace()
+    {
+        var result = CommandParser.Parse("  /model  ");
+        Assert.Equal(CommandType.Model, result.Type);
+    }
+
+    [Fact]
+    public void Status_Command_Still_Works()
+    {
+        var result = CommandParser.Parse("/status");
+        Assert.Equal(CommandType.Status, result.Type);
+    }
+
+    [Fact]
+    public void Help_Command_Still_Works()
+    {
+        var result = CommandParser.Parse("/help");
+        Assert.Equal(CommandType.Help, result.Type);
+    }
+
+    [Fact]
+    public void Plain_Text_Returns_Prompt()
+    {
+        var result = CommandParser.Parse("hello world");
+        Assert.Equal(CommandType.Prompt, result.Type);
+        Assert.Equal("hello world", result.Argument);
+    }
+
+    [Fact]
+    public void Unknown_SlashCommand_Returns_Prompt()
+    {
+        var result = CommandParser.Parse("/unknown");
+        Assert.Equal(CommandType.Prompt, result.Type);
+    }
+
+    [Fact]
+    public void Empty_Input_Returns_Prompt()
+    {
+        var result = CommandParser.Parse("");
+        Assert.Equal(CommandType.Prompt, result.Type);
+    }
+}

PolyPilot.Tests/PolyPilot.Tests.csproj

@@ -56,6 +56,7 @@
     <Compile Include="../PolyPilot/Services/DevTunnelService.cs" Link="Shared/DevTunnelService.cs" />
     <Compile Include="../PolyPilot/Services/FiestaService.cs" Link="Shared/FiestaService.cs" />
     <Compile Include="../PolyPilot/Models/ReflectionCycle.cs" Link="Shared/ReflectionCycle.cs" />
+    <Compile Include="../PolyPilot.Console/Services/CommandParser.cs" Link="Shared/CommandParser.cs" />
     <Compile Include="../PolyPilot/Models/ModelCapabilities.cs" Link="Shared/ModelCapabilities.cs" />
     <Compile Include="../PolyPilot/Models/SquadDiscovery.cs" Link="Shared/SquadDiscovery.cs" />
     <Compile Include="../PolyPilot/Models/SquadWriter.cs" Link="Shared/SquadWriter.cs" />