Lilith.RazorWebGui (Version 1)

using Agent.Core.Logging;using LilithAgent = Lilith.Agent;​namespace Lilith.RazorWebGui.Services;​public sealed class LilithChatService{    private readonly object _lock = new();    private readonly List<ChatLine> _lines = [];    private LilithAgent.Lilith? _lilith;​    public string Model { get; private set; } = "gemma4";    public int VersionNumber { get; } = 1;    public bool IsReady { get; private set; }​    public IReadOnlyList<ChatLine> Lines    {        get { lock (_lock) { return _lines.ToList(); } }    }​    public async Task InitializeAsync(CancellationToken cancellationToken = default)    {        if (IsReady)        {            return;        }​        Model = Environment.GetEnvironmentVariable("LILITH_MODEL") ?? "gemma4";        var credentials = new LilithAgent.LilithCredentials(Model: Model);        var lilith = new LilithAgent.Lilith(AppendLog, credentials);        await lilith.BootAsync(startServerIfNotRunning: true).ConfigureAwait(false);        _lilith = lilith;        IsReady = true;    }​    public async Task<bool> SendAsync(string input, CancellationToken cancellationToken = default)    {        if (_lilith is null)        {            throw new InvalidOperationException("Lilith is not initialized.");        }​        if (input.StartsWith("/voice ", StringComparison.OrdinalIgnoreCase))        {            AppendSystem($"Voice commands are not available in Version {VersionNumber} web UI.");            return true;        }​        return await _lilith.HandleInputAsync(input).ConfigureAwait(false);    }​    public void Shutdown()    {        _lilith?.SaveConversation();    }​    private void AppendLog(LogEntry entry)    {        string text = entry.Description;        if (string.IsNullOrEmpty(text))        {            return;        }​        ChatLog.Append(_lines, _lock, entry);    }​    private void AppendSystem(string message) =>        AppendLog(new LogEntry("System", message, LogColors.Cyan, DateTime.Now, LogType.WriteLine));}​