finishing QDRO section

app/config.py

@@ -61,6 +61,21 @@ class Settings(BaseSettings):
     cache_enabled: bool = False
     redis_url: Optional[str] = None
 
+    # Notifications
+    notifications_enabled: bool = False
+    # Email settings (optional)
+    smtp_host: Optional[str] = None
+    smtp_port: int = 587
+    smtp_username: Optional[str] = None
+    smtp_password: Optional[str] = None
+    smtp_starttls: bool = True
+    notification_email_from: str = "no-reply@localhost"
+    # QDRO notification recipients (comma-separated emails)
+    qdro_notify_email_to: Optional[str] = None
+    # Webhook settings (optional)
+    qdro_notify_webhook_url: Optional[str] = None
+    qdro_notify_webhook_secret: Optional[str] = None
+
     # pydantic-settings v2 configuration
     model_config = SettingsConfigDict(
         env_file=".env",