Explicit abstention from component nomination

An abstention preserves the ranked exploratory evidence and records why no unique component could be nominated. It cannot be confirmed.

Slots

version

schema version. Version "1.0.0" remains readable; new model-specific abstentions use "1.1.0".

target_field

nominated binary metadata field

reason

machine-readable abstention reason

candidate_components

tied candidate component indices

ranking

effect-first component ranking

observations

target-specific raw component distributions

permutation_evidence

typed search-aware null evidence

atlas_digest

digest of the complete source atlas

provenance

complete inherited and proposal-step provenance

digest

digest of the abstention payload

evidence_status

support tier