Open a disappearing chat when a launcher names no workspace

app/MindWork AI Studio/Tools/Services/DirectChatService.cs

@@ -50,7 +50,14 @@ public sealed class DirectChatService(SettingsManager settingsManager, DataSourc
         if (dataSourceOptions is null)
             return new(null, dataSourceOptionsResult.ErrorMessage);
 
-        Guid workspaceId;
+        //
+        // A launcher that names no workspace wants the same chat the chat page starts on its own:
+        // one that belongs nowhere, is kept among the temporary chats, and disappears with them. The
+        // empty workspace ID is what says so, here as everywhere else in the app.
+        //
+        var workspaceId = Guid.Empty;
+        if (!launchConfiguration.OpensTemporaryChat)
+        {
             try
             {
                 workspaceId = await WorkspaceBehaviour.ResolveOrCreateWorkspaceIdByNameAsync(launchConfiguration.WorkspaceName);
@@ -66,6 +73,7 @@ public sealed class DirectChatService(SettingsManager settingsManager, DataSourc
                 logger.LogWarning("Assistant plugin '{PluginName}' could not resolve or create workspace '{WorkspaceName}'.", assistantPlugin.Name, launchConfiguration.WorkspaceName);
                 return new(null, string.Format(TB("The workspace '{0}' could not be opened or created."), launchConfiguration.WorkspaceName));
             }
+        }
 
         //
         // Only the tools the user could have switched on themselves. A launcher may name one whose