I also upgraded the flake.nix file.
- `mkShell` now use `packages` instead of `buildInputs` (See https://discourse.nixos.org/t/difference-between-buildinputs-and-packages-in-mkshell/60598/2)
- Now using `venvShellHook` to create the Python virtual environment
- Remove useless variables
- Added `meta` attrset
- Now using `python3Packages` variables instead
- Explicitly use the `build-system` field
- Now using `substituteInPlace` within `postPatch`
- Using the `pyproject` field instead of `format`
- Removed bad pratices, etc..
- Introduced a new PreviewWorkerManager to handle both anime and episode preview caching.
- Implemented PreviewCacheWorker and EpisodeCacheWorker for specialized background tasks.
- Added context management for preview operations to ensure proper cleanup.
- Enhanced error handling and logging during image downloads and info text generation.
- Removed redundant caching logic and consolidated functionality into worker classes.
- Updated session management to clean up preview workers on session end.
- Removed unused utility functions and streamlined the codebase.
- Implemented `restore` command to restore the media registry from backup files, with options for verification and backup of current registry.
- Created `search` command to search through the local media registry with various filtering options.
- Added `stats` command to display detailed statistics about the local media registry, including breakdowns by genre, format, and year.
- Developed `sync` command to synchronize the local registry with a remote media API, allowing for both download and upload of media lists.
- Included example usage for the registry commands in `examples.py`.
- Fixed tag filtering logic in `MediaRegistryService` to ensure correct filtering based on tags.
