Task 13: move ban_ip, unban_ip, and get_active_bans from jail_service to ban_service and update routers/tests

backend/app/tasks/blocklist_import.py

@@ -18,7 +18,7 @@ from typing import TYPE_CHECKING, Any
 import structlog
 
 from app.db import open_db
-from app.services import blocklist_service, jail_service
+from app.services import ban_service, blocklist_service
 from app.utils.runtime_state import get_effective_settings
 
 if TYPE_CHECKING:
@@ -55,7 +55,7 @@ async def _run_import_with_resources(settings: Settings, http_session: ClientSes
             db,
             http_session,
             socket_path,
-            ban_ip=jail_service.ban_ip,
+            ban_ip=ban_service.ban_ip,
         )
         log.info(
             "blocklist_import_finished",