POST /mltk/experiments/{experiment_id}/history

Description. Append a history record. Validated against bin/experiment/experiment_history_schema.json.

Required fields.

Field	Type	Notes
sid	string	Splunk search ID for the run
searchStages	array	Snapshot of stages at run time
from_schedule	bool	Defaults to false if omitted

Server-injected fields. experimentId (from URL), _time (current epoch), user and app (from searchinfo). Any stats_* fields in the body are also persisted.

Example.

curl -sk -u "$SPLUNK_USER:$SPLUNK_PASSWORD" -X POST 
  -H "Content-Type: application/json" 
  --data @- "$SPLUNK_HOST/servicesNS/nobody/Splunk_ML_Toolkit/mltk/experiments/abc123def456abc123def456abc12345/history?output_mode=json" <<'JSON'
{
  "sid":           "1715425200.999",
  "from_schedule": false,
  "searchStages":  [],
  "stats_rmse":    0.12
}
JSON