OpenSearch Dashboards Queries

Please help if you have any inputs or suggestions
on below asap

  1. To get the anomaly detection working with live data streams in OpenSearch Dashboards.
  2. Timestamp should match the time from the log file- changes to be done in the conf file of logstash.
  3. Saved objects is failing with any file extension while importing in OpenSearch Dashboards.
  4. Can I use multivariate time series dataset with graph neural networks to extend this OpenSearch Architecture, models, open libraries to forecast Anamolies? If yes then how?