TracerSession schema.
interface SessionFeedback on the session's runs, by feedback key.
Retention in days for traces while trace_tier is longlived. One of the deployment's allowed values (allowed_longlived_ttl_days in /info), up to the maximum of the deployment. The value is kept while trace_tier is shortlived. Null means the project uses the workspace retention.
Feedback on the session itself, by feedback key.
PROJECT for a tracing project, AGENT for an Agent's tracing project, or
EXPERIMENT for an evaluation run against a dataset.