Fixes: 1) Correct entrypoint scripts by removing redundant `python` reference in `uv run` commands; 2) Resolve incorrect imports and adjust class renaming in vibes_auth tests; 3) Address typing errors and minor omissions in existing code.
Extra: 1) Improve formatting in settings and middleware files; 2) Update messaging test class names for clarity; 3) Cleanup unused imports and extra whitespaces, ensuring cleaner codebase.
Fixes: 1) Correct inconsistent formatting in translation strings; 2) Fix placeholders in email templates for better accuracy;
Extra: Update `.gitignore` to include `.env` file exclusion.
