Get Search Index Reindex Status
curl -X GET "https://example.com/search-index/reindex/status"{ "active": true, "run_id": "string", "stage": "string", "message": "string", "progress": 0, "started_at": "string", "updated_at": "string", "finished_at": "string", "success": true, "errors": [ "string" ], "stats": {}}