Ship Assistent 0.13.1: compile 0.13.0 so the SwarmUI tab loads.

Add missing WebSocket/HttpClient usings, stop using static on Config/FilePath helpers, and copy Microsoft.Data.Sqlite next to the extension dll.

Co-authored-by: Cursor <cursoragent@cursor.com>

AssistentTraining.cs

@@ -2,6 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+using System.Net.Http;
 using System.Text;
 using System.Threading.Tasks;
 using Newtonsoft.Json.Linq;