Enhance bot functionality with new features and improvements

- Added a new `/status` endpoint in `server_prometheus.py` to provide process status information, including uptime and resource usage metrics.
- Implemented a PID manager in `run_helper.py` to track the bot's process, improving monitoring capabilities.
- Introduced a method to delete audio moderation records in `audio_repository.py`, enhancing database management.
- Updated voice message handling in callback handlers to ensure proper deletion of audio moderation records.
- Improved error handling and logging in various services, ensuring better tracking of media processing and file downloads.
- Refactored media handling functions to streamline operations and improve code readability.
- Enhanced metrics tracking for file downloads and media processing, providing better insights into bot performance.

tests/test_utils.py

@@ -288,15 +288,20 @@ class TestDownloadFile:
         # Мокаем download_file
         mock_message.bot.download_file = AsyncMock()
         
-        # Мокаем os.makedirs
+        # Мокаем os.makedirs и другие зависимости
         with patch('os.makedirs') as mock_makedirs:
             with patch('os.path.join', return_value="files/photos/file_123.jpg"):
-                result = await download_file(mock_message, "file_id_123")
-                
-                assert result == "files/photos/file_123.jpg"
-                mock_makedirs.assert_called()
-                mock_message.bot.get_file.assert_called_once_with("file_id_123")
-                mock_message.bot.download_file.assert_called_once()
+                with patch('os.path.exists', return_value=True):
+                    with patch('os.path.getsize', return_value=1024):
+                        with patch('os.path.basename', return_value='file_123.jpg'):
+                            with patch('os.path.splitext', return_value=('file_123', '.jpg')):
+                                with patch('helper_bot.utils.helper_func.metrics') as mock_metrics:
+                                    result = await download_file(mock_message, "file_id_123", "photo")
+                                    
+                                    assert result == "files/photos/file_123.jpg"
+                                    mock_makedirs.assert_called()
+                                    mock_message.bot.get_file.assert_called_once_with("file_id_123")
+                                    mock_message.bot.download_file.assert_called_once()
     
     @pytest.mark.asyncio
     async def test_download_file_exception(self):