Fixes: 1) Correct line references in locale files for consistency;
Extra: Improve formatting and alignment of string segments for clarity and maintainability;
Fixes: 1) Corrected `ForeignKey` type assertions across models; 2) Resolved typos and formatting inconsistencies in `.env` and README; 3) Fixed explicit boolean checks in user manager methods.
Extra: Updated type hints in multiple models, serializers, and views.
