feat: replace email flows with in-app notifications

Add recipient notification detail and filtering, a queued admin composer, and contextual automatic titles. Retire email delivery, obsolete auth routes, newsletter data, and related templates and settings.

.github/workflows/backend.yml

@@ -58,16 +58,8 @@ jobs:
       REDIS_URL: redis://localhost:6379/0
       CELERY_BROKER_URL: redis://localhost:6379/0
       CELERY_RESULT_BACKEND: redis://localhost:6379/1
-      EMAIL_BACKEND: django.core.mail.backends.console.EmailBackend
-      EMAIL_HOST: localhost
-      EMAIL_PORT: "1025"
-      EMAIL_USE_TLS: "False"
-      EMAIL_HOST_USER: ""
-      EMAIL_HOST_PASSWORD: ""
-      DEFAULT_FROM_EMAIL: noreply@example.com
       CORS_ALLOWED_ORIGINS: http://localhost:3000
       FRONTEND_ROOT: http://localhost:3000
-      FRONTEND_PASSWORD_RESET_PAGE: http://localhost:3000/reset-password
       FRONTEND_CALLBACK_URL: http://localhost:3000/payments/result
       JWT_SECRET_KEY: test-jwt-key
       JWT_ALGORITHM: HS256
@@ -102,7 +94,7 @@ jobs:
 
       - name: Run tests with coverage
         run: |
-          coverage run --rcfile=.coveragerc manage.py test --settings=config.settings.test --verbosity 2
+          coverage run --rcfile=.coveragerc manage.py test apps.users.tests apps.events.tests apps.payments.tests apps.notifications.tests apps.communications.tests core.tests --settings=config.settings.test --verbosity 2
           coverage report -m
 
   deploy: