add ip change notification and refine sender display

app/main.py

@@ -19,7 +19,7 @@ from app.api.routes.ticktick import router as ticktick_router
 from app.config import get_settings
 from app.services.auth import AuthBootstrapError, initialize_auth_schema
 from app.services.config_page import seed_missing_config_from_bootstrap, sync_app_hostname_from_bootstrap
-from app.services.public_ip import check_public_ipv4
+from app.services.public_ip import check_public_ipv4_and_notify
 from scripts.app_db_adopt import AppDatabaseAdoptionError, validate_app_runtime_db
 from scripts.location_db_adopt import LocationDatabaseAdoptionError, validate_location_runtime_db
 from scripts.poo_db_adopt import PooDatabaseAdoptionError, validate_poo_runtime_db
@@ -29,7 +29,7 @@ def _run_scheduled_public_ip_check() -> None:
     session_local = auth_db.get_auth_session_local()
     session: Session = session_local()
     try:
-        check_public_ipv4(session)
+        check_public_ipv4_and_notify(session, bootstrap_settings=get_settings())
     finally:
         session.close()