Optional ReadonlyClosestBest-matching existing saved Workflow, if any crossed the minimum overlap floor.
ReadonlyClusterReadonlyConfidenceConfidence score in [0, 1] combining cluster size, intra-cluster similarity, and success rate.
ReadonlyDispositionReadonlySummaryHuman-readable explanation of why this cluster was surfaced.
Actionable finding produced for a discovered cluster of executed task graphs.