feat: Implement MFA authentication, add ride statistics model, and update various services, APIs, and tests across the application.

backend/apps/api/v1/history/urls.py

@@ -4,7 +4,7 @@ History API URLs
 URL patterns for history-related API endpoints.
 """
 
-from django.urls import path, include
+from django.urls import include, path
 from rest_framework.routers import DefaultRouter
 
 from .views import (

backend/apps/api/v1/history/views.py

@@ -5,18 +5,21 @@ This module provides ViewSets for accessing historical data and change tracking
 across all models in the ThrillWiki system using django-pghistory.
 """
 
-from drf_spectacular.utils import extend_schema, extend_schema_view, OpenApiParameter
+from collections.abc import Sequence
+from datetime import datetime
+from typing import cast
+
+import pghistory.models
+from django.db.models import Count, QuerySet
+from django.shortcuts import get_object_or_404
 from drf_spectacular.types import OpenApiTypes
+from drf_spectacular.utils import OpenApiParameter, extend_schema, extend_schema_view
+from rest_framework import serializers as drf_serializers
 from rest_framework.filters import OrderingFilter
 from rest_framework.permissions import AllowAny
+from rest_framework.request import Request
 from rest_framework.response import Response
 from rest_framework.viewsets import ReadOnlyModelViewSet
-from rest_framework.request import Request
-from typing import Optional, cast, Sequence
-from django.shortcuts import get_object_or_404
-from django.db.models import Count, QuerySet
-import pghistory.models
-from datetime import datetime
 
 # Import models
 from apps.parks.models import Park
@@ -24,7 +27,6 @@ from apps.rides.models import Ride
 
 # Import serializers
 from .. import serializers as history_serializers
-from rest_framework import serializers as drf_serializers
 
 # Minimal fallback serializer used when a specific serializer symbol is missing.
 
@@ -79,7 +81,7 @@ ALL_TRACKED_MODELS: Sequence[str] = [
 # --- Helper utilities to reduce duplicated logic / cognitive complexity ---
 
 
-def _parse_date(date_str: Optional[str]) -> Optional[datetime]:
+def _parse_date(date_str: str | None) -> datetime | None:
     if not date_str:
         return None
     try: