Core Logic and Dependency Optimizations

[eli64s]

Changes:

1. Core Logic Updates:

   • Introduced _encoding_cache to cache encodings for improved performance.
   • Add additional caching utilities in the factory.py and model.py modules.
   • Enhanced error handling to provide more detailed error messages.

2. Code Clean-up and Optimizations:

   • Replace external dependencies with standard library modules to reduce package size.
   • Migrate to ruff for codebase formatting and linting.