feat: Implement a new notifications application, add admin API views for dashboard metrics, introduce scheduled tasks, and update API routing and project configurations.

backend/apps/notifications/urls.py

@@ -0,0 +1,76 @@
+"""
+Notification URL configuration.
+
+Note: Now using django-notifications-hq for native Django notifications.
+Legacy Novu endpoints are kept for backward compatibility.
+"""
+
+from django.urls import path
+
+from .views import (
+    AdminAlertView,
+    AdminCriticalErrorView,
+    CreateSubscriberView,
+    NotificationListView,
+    NotificationMarkReadView,
+    NotificationUnreadCountView,
+    NotifyModeratorsReportView,
+    NotifyModeratorsSubmissionView,
+    NotifyUserSubmissionStatusView,
+    SystemAnnouncementView,
+    TriggerNotificationView,
+    UpdatePreferencesView,
+    UpdateSubscriberView,
+)
+
+app_name = "notifications"
+
+urlpatterns = [
+    # ========== Native Notification Endpoints ==========
+    # List notifications for current user
+    path("", NotificationListView.as_view(), name="list"),
+    # Mark notification(s) as read
+    path("mark-read/", NotificationMarkReadView.as_view(), name="mark_read"),
+    # Get unread count
+    path("unread-count/", NotificationUnreadCountView.as_view(), name="unread_count"),
+    
+    # ========== Legacy/Compatibility Endpoints ==========
+    # Subscriber management (legacy - kept for backward compatibility)
+    path("subscribers/", CreateSubscriberView.as_view(), name="create_subscriber"),
+    path("subscribers/update/", UpdateSubscriberView.as_view(), name="update_subscriber"),
+    # Preferences
+    path("preferences/", UpdatePreferencesView.as_view(), name="preferences"),
+    # Trigger notifications
+    path("trigger/", TriggerNotificationView.as_view(), name="trigger"),
+    # Moderator notifications
+    path(
+        "moderators/submission/",
+        NotifyModeratorsSubmissionView.as_view(),
+        name="moderators_submission",
+    ),
+    path(
+        "moderators/report/",
+        NotifyModeratorsReportView.as_view(),
+        name="moderators_report",
+    ),
+    # User notifications
+    path(
+        "user/submission-status/",
+        NotifyUserSubmissionStatusView.as_view(),
+        name="user_submission_status",
+    ),
+    # System notifications
+    path(
+        "system/announcement/",
+        SystemAnnouncementView.as_view(),
+        name="system_announcement",
+    ),
+    # Admin notifications
+    path("admin/alert/", AdminAlertView.as_view(), name="admin_alert"),
+    path(
+        "admin/critical-error/",
+        AdminCriticalErrorView.as_view(),
+        name="admin_critical_error",
+    ),
+]
+