Added a way to read what the AI received from your sources (#1100)

Co-authored-by: Thorsten Sommer <SommerEngineering@users.noreply.github.com>

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

@@ -23,17 +23,17 @@ public sealed class TemporaryChatService(ILogger<TemporaryChatService> logger, S
             return;
         }
 
-        this.StartMaintenance();
+        await this.StartMaintenanceAsync();
         while (!stoppingToken.IsCancellationRequested)
         {
             await Task.Delay(CHECK_INTERVAL, stoppingToken);
-            this.StartMaintenance();
+            await this.StartMaintenanceAsync();
         }
     }
 
     #endregion
 
-    private void StartMaintenance()
+    internal async Task StartMaintenanceAsync()
     {
         logger.LogInformation("Starting maintenance of temporary chat storage.");
         var temporaryDirectories = Path.Join(SettingsManager.DataDirectory, "tempChats");
@@ -65,13 +65,42 @@ public sealed class TemporaryChatService(ILogger<TemporaryChatService> logger, S
             if(deleteChat)
             {
                 logger.LogInformation($"Deleting temporary chat storage directory '{tempChatDirPath}' due to maintenance policy.");
-                Directory.Delete(tempChatDirPath, true);
-                WorkspaceBehaviour.InvalidateWorkspaceTreeCache();
+                await this.DeleteTemporaryChatAsync(tempChatDirPath);
             }
         }
 
         logger.LogInformation("Finished maintenance of temporary chat storage.");
     }
+
+    /// <summary>
+    /// Deletes one temporary chat the way the user deletes a chat, so that what it received goes along.
+    /// </summary>
+    /// <remarks>
+    /// A chat which cannot go now, e.g., since another operation holds it or a file of it is open,
+    /// stays until the next maintenance. Its failure must not end this service, nor the app with it.
+    /// </remarks>
+    /// <param name="tempChatDirPath">The directory of the chat.</param>
+    private async Task DeleteTemporaryChatAsync(string tempChatDirPath)
+    {
+        try
+        {
+            if (Guid.TryParse(Path.GetFileName(tempChatDirPath), out var chatId))
+            {
+                if (!await WorkspaceBehaviour.DeleteChatWithoutAskingAsync(Guid.Empty, chatId))
+                    logger.LogWarning("The temporary chat '{ChatId}' is busy, so the next maintenance deletes it.", chatId);
+
+                return;
+            }
+
+            // Not a chat AI Studio made, so nothing else knows about it:
+            Directory.Delete(tempChatDirPath, true);
+            WorkspaceBehaviour.InvalidateWorkspaceTreeCache();
+        }
+        catch (Exception exception)
+        {
+            logger.LogWarning(exception, "Could not delete the temporary chat storage directory '{Directory}'. The next maintenance tries again.", tempChatDirPath);
+        }
+    }
     
     public static void Initialize()
     {