Added audio and video transcription for chats and assistants (#856)

app/MindWork AI Studio/Provider/BaseProvider.cs

@@ -1069,7 +1069,11 @@ public abstract class BaseProvider : IProvider, ISecretId
                     request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", await requestedSecret.Secret.Decrypt(Program.ENCRYPTION));
                     break;
             }
-            
+
+            this.logger.LogInformation("Uploading transcription media '{FileName}' with content type '{ContentType}' and {FileSize} bytes.",
+                Path.GetFileName(audioFilePath),
+                mimeType.TextRepresentation,
+                fileStream.Length);
             using var response = await this.HttpClient.SendAsync(request, token);
             var responseBody = await response.Content.ReadAsStringAsync(token);
         
@@ -1089,6 +1093,10 @@ public abstract class BaseProvider : IProvider, ISecretId
 
             return TranscriptionResult.FromText(transcriptionResponse.Text);
         }
+        catch (OperationCanceledException) when (token.IsCancellationRequested)
+        {
+            throw;
+        }
         catch (Exception e)
         {
             if (this.IsTimeoutException(e, token))