feat: Implement core support ticket system with WebSocket notifications

smoothschedule/config/settings/multitenancy.py

@@ -43,6 +43,7 @@ SHARED_APPS = [
     'crispy_forms',
     'crispy_bootstrap5',
     'csp',
+    'tickets', # New: Core ticket system
 ]
 
 # Tenant-specific apps - Each tenant gets isolated data in their own schema
@@ -51,13 +52,14 @@ TENANT_APPS = [
     'schedule',  # Resource scheduling with configurable concurrency
     'payments',  # Stripe Connect payments bridge
     'communication',  # Twilio masked communications
-    
+    'notifications', # New: Generic notification app
     # Add your tenant-scoped business logic apps here:
     # 'appointments',
     # 'customers',
     # 'analytics',
 ]
 
+
 # Override INSTALLED_APPS to include all unique apps
 INSTALLED_APPS = list(dict.fromkeys(SHARED_APPS + TENANT_APPS))