OptionalAIOptionalConfidenceOptionalConstraintOptionalFeatureSHA-256 of the record's normalised inputs (its cache key hash), part of the Feature Value key.
OptionalOmitOptionalOutputThe pipeline's payload the outputs are read from (by each output's Ref); unknown at that boundary.
The pin that computed the values: its prompt version hash, primary model and parameters hash are part of the key.
OptionalPromptOptionalReasoning
What InferProcessor.UpsertFeatureValues writes for one record; the key parts (pin, input hash) are required.