fix: expand bgp pipeline and stabilize backend tests

backend/app/models/__init__.py

@@ -6,6 +6,8 @@ from app.models.datasource import DataSource
 from app.models.datasource_config import DataSourceConfig
 from app.models.alert import Alert, AlertSeverity, AlertStatus
 from app.models.bgp_anomaly import BGPAnomaly
+from app.models.bgp_incident import BGPIncident
+from app.models.bgp_observation import BGPObservation
 from app.models.system_setting import SystemSetting
 
 __all__ = [
@@ -20,4 +22,6 @@ __all__ = [
     "AlertSeverity",
     "AlertStatus",
     "BGPAnomaly",
+    "BGPIncident",
+    "BGPObservation",
 ]