Fixes: 1) Fix inconsistencies in string concatenation for English translations; 2) Correct missing or misplaced message references in locale files;
Extra: Resolve spacing and encoding inconsistencies in translation files.
Fixes: 1) Corrected `admin.py` imports for consistency and model alignment;
Extra: Refactored `choices.py` for reusable enums; restructured `models.py` for clarity and maintainability.