Get Episode
Returns episodes by UUID
Relevance is an experimental rank-aligned score in [0,1] derived from Score via logit transformation. Only populated when using cross_encoder reranker; omitted for other reranker types (e.g., RRF).
Optional role_type, will only be present if the episode was created using memory.add API
Score is the reranker output: sigmoid-distributed logits [0,1] when using cross_encoder reranker, or RRF ordinal rank when using rrf reranker
SelectionRank is the global cross-scope rank assigned by auto scope selection.