Fixes: 1) Add missing import for `AdminPasswordChangeForm`, `UserCreationForm`, and `MarkdownWidget`.
Extra: 1) Add `django-unfold-markdown` as a dependency in `uv.lock` and `pyproject.toml`; 2) Remove redundant dropdown configuration from Unfold settings.
Fixes: 1) Remove redundant imports from admin.py;
Extra: 1) Update inline classes to inherit from TabularInline; 2) Add unfold.contrib modules to INSTALLED_APPS; 3) Reorder imports in admin.py for consistency.
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.
