Add model auto-download and English logging

app/history.py

@@ -49,12 +49,12 @@ def save_history(result: Dict[str, Any], original_filename: str, config: Dict) -
         with open(history_path, 'w', encoding='utf-8') as f:
             json.dump(result, f, ensure_ascii=False, indent=2)
 
-        logger.info("Результат сохранён в историю: %s", history_path)
+        logger.info("Saved transcription result to history: %s", history_path)
         _cleanup_old_history(config)
         return history_path
 
     except Exception as e:
-        logger.error("Ошибка при сохранении истории: %s", e)
+        logger.error("Failed to save history: %s", e)
         return None
 
 
@@ -80,6 +80,6 @@ def _cleanup_old_history(config: Dict) -> None:
             # Директории имеют формат YYYY-MM-DD
             if len(entry) == 10 and entry < cutoff_str:
                 shutil.rmtree(entry_path, ignore_errors=True)
-                logger.info("Удалена старая директория истории: %s", entry)
+                logger.info("Removed old history directory: %s", entry)
     except Exception as e:
-        logger.warning("Ошибка при очистке старой истории: %s", e)
+        logger.warning("Failed to clean up old history: %s", e)