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

backend/tests/ux/test_breadcrumbs.py

@@ -5,9 +5,7 @@ These tests verify that the breadcrumb system generates
 correct navigation structures and Schema.org markup.
 """
 
-import pytest
 from django.test import RequestFactory
-from django.urls import reverse
 
 from apps.core.utils.breadcrumbs import (
     Breadcrumb,

backend/tests/ux/test_components.py

@@ -7,7 +7,6 @@ with various parameter combinations.
 
 import pytest
 from django.template import Context, Template
-from django.test import RequestFactory, override_settings
 
 
 @pytest.mark.django_db

backend/tests/ux/test_htmx_utils.py

@@ -8,7 +8,6 @@ correct responses with proper headers and content.
 import json
 
 import pytest
-from django.http import HttpRequest
 from django.test import RequestFactory
 
 from apps.core.htmx_utils import (

backend/tests/ux/test_messages.py

@@ -5,7 +5,6 @@ These tests verify that message helper functions generate
 consistent, user-friendly messages.
 """
 
-import pytest
 
 from apps.core.utils.messages import (
     confirm_delete,

backend/tests/ux/test_meta.py

@@ -5,7 +5,6 @@ These tests verify that meta tag helpers generate
 correct SEO and social sharing metadata.
 """
 
-import pytest
 from django.test import RequestFactory
 
 from apps.core.utils.meta import (