feat: Introduce ITranscriptionOrchestrator and related interfaces, refactoring DaemonService and other components to use dependency injection.

Commands/ConfigUpdaterCommand.cs

@@ -9,7 +9,8 @@ public static class ConfigUpdaterCommand
     public static async Task ExecuteAsync(string key, string val, bool verbose)
     {
         Toak.Core.Logger.Verbose = verbose;
-        var config = ConfigManager.LoadConfig();
+        var configManager = new ConfigManager();
+        var config = configManager.LoadConfig();
         key = key.ToLowerInvariant();
         val = val.ToLowerInvariant();
 
@@ -33,7 +34,7 @@ public static class ConfigUpdaterCommand
                 return;
         }
 
-        ConfigManager.SaveConfig(config);
+        configManager.SaveConfig(config);
         AnsiConsole.MarkupLine($"[green]Successfully[/] set {key} to [blue]{val}[/].");
     }
 }