feat(task-018): add observability retry cancel and audit trail

apps/backend/src/presentation/routes/sites.py

@@ -9,6 +9,7 @@ from src.application.site_config import (
     create_script_config_version,
     create_target_site,
     get_target_site,
+    list_script_config_audit_events,
     list_script_config_versions,
     rollback_script_config_version,
     update_target_site,
@@ -16,6 +17,7 @@ from src.application.site_config import (
 from src.domain.auth import ADMIN_ROLES, EDITOR_OR_ADMIN_ROLES
 from src.domain.contracts import (
     CurrentUser,
+    ScriptConfigVersionAuditEventListResponse,
     ScriptConfigVersionCreateRequest,
     ScriptConfigVersionListResponse,
     ScriptConfigVersionResponse,
@@ -92,6 +94,21 @@ def get_script_config_versions(
     return ScriptConfigVersionListResponse(versions=versions)
 
 
+@router.get(
+    "/sites/{site_id}/publishing-config/audit",
+    response_model=ScriptConfigVersionAuditEventListResponse,
+)
+def get_script_config_audit_events(
+    site_id: UUID,
+    _: CurrentUser = Depends(require_roles(EDITOR_OR_ADMIN_ROLES)),
+    repository: BackendRepository = Depends(get_repository),
+) -> ScriptConfigVersionAuditEventListResponse:
+    try:
+        return list_script_config_audit_events(repository, site_id)
+    except LookupError as error:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Not Found") from error
+
+
 @router.post(
     "/sites/{site_id}/publishing-config/versions",
     response_model=ScriptConfigVersionResponse,