Fixed Exception Structure:

Added FileCleanupError to utils/exceptions.py
Created root exceptions.py for better organization
Fixed circular imports in utils/init.py
Updated imports in video_archiver.py and update_checker.py
Fixed FFmpeg Management:

Updated extraction logic for BtbN's new archive structure
Added fallback for backward compatibility
Better binary verification and permissions handling
Improved Error Handling:

Proper exception hierarchy
Better error propagation
More detailed error messages
Enhanced cleanup on errors

videoarchiver/update_checker.py

@@ -13,6 +13,7 @@ from pathlib import Path
 import subprocess
 import tempfile
 import os
+import shutil
 
 from .exceptions import UpdateError