Refactor user account system and remove moderation integration

- Remove first_name and last_name fields from User model
- Add user deletion and social provider services
- Restructure auth serializers into separate directory
- Update avatar upload functionality and API endpoints
- Remove django-moderation integration documentation
- Add mandatory compliance enforcement rules
- Update frontend documentation with API usage examples

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

@@ -5,31 +5,84 @@ This module contains URL patterns for core authentication functionality only.
 User profiles and top lists are handled by the dedicated accounts app.
 """
 
-from django.urls import path
-from . import views
+from django.urls import path, include
+from .views import (
+    # Main auth views
+    LoginAPIView,
+    SignupAPIView,
+    LogoutAPIView,
+    CurrentUserAPIView,
+    PasswordResetAPIView,
+    PasswordChangeAPIView,
+    SocialProvidersAPIView,
+    AuthStatusAPIView,
+    # Social provider management views
+    AvailableProvidersAPIView,
+    ConnectedProvidersAPIView,
+    ConnectProviderAPIView,
+    DisconnectProviderAPIView,
+    SocialAuthStatusAPIView,
+)
+from rest_framework_simplejwt.views import TokenRefreshView
+
 
 urlpatterns = [
     # Core authentication endpoints
-    path("login/", views.LoginAPIView.as_view(), name="auth-login"),
-    path("signup/", views.SignupAPIView.as_view(), name="auth-signup"),
-    path("logout/", views.LogoutAPIView.as_view(), name="auth-logout"),
-    path("user/", views.CurrentUserAPIView.as_view(), name="auth-current-user"),
+    path("login/", LoginAPIView.as_view(), name="auth-login"),
+    path("signup/", SignupAPIView.as_view(), name="auth-signup"),
+    path("logout/", LogoutAPIView.as_view(), name="auth-logout"),
+    path("user/", CurrentUserAPIView.as_view(), name="auth-current-user"),
+
+    # JWT token management
+    path("token/refresh/", TokenRefreshView.as_view(), name="auth-token-refresh"),
+
+    # Social authentication endpoints (dj-rest-auth)
+    path("social/", include("dj_rest_auth.registration.urls")),
+
     path(
         "password/reset/",
-        views.PasswordResetAPIView.as_view(),
+        PasswordResetAPIView.as_view(),
         name="auth-password-reset",
     ),
     path(
         "password/change/",
-        views.PasswordChangeAPIView.as_view(),
+        PasswordChangeAPIView.as_view(),
         name="auth-password-change",
     ),
     path(
         "social/providers/",
-        views.SocialProvidersAPIView.as_view(),
+        SocialProvidersAPIView.as_view(),
         name="auth-social-providers",
     ),
-    path("status/", views.AuthStatusAPIView.as_view(), name="auth-status"),
+
+    # Social provider management endpoints
+    path(
+        "social/providers/available/",
+        AvailableProvidersAPIView.as_view(),
+        name="auth-social-providers-available",
+    ),
+    path(
+        "social/connected/",
+        ConnectedProvidersAPIView.as_view(),
+        name="auth-social-connected",
+    ),
+    path(
+        "social/connect/<str:provider>/",
+        ConnectProviderAPIView.as_view(),
+        name="auth-social-connect",
+    ),
+    path(
+        "social/disconnect/<str:provider>/",
+        DisconnectProviderAPIView.as_view(),
+        name="auth-social-disconnect",
+    ),
+    path(
+        "social/status/",
+        SocialAuthStatusAPIView.as_view(),
+        name="auth-social-status",
+    ),
+
+    path("status/", AuthStatusAPIView.as_view(), name="auth-status"),
 ]
 
 # Note: User profiles and top lists functionality is now handled by the accounts app