Introduce a liveGroupingScoring engine that combines existing
membership signals (normalized name, brand, number, metadata tokens,
language, category/source when relevant) with a bounded Laya
contribution: Laya raises or lowers confidence instead of acting as
a final judge, with guard-rails against obvious contradictions.
Sanitize Laya batch identity inputs in layaService and wire the
weighted scoring into the live projection service. Weights are not
exposed in the Nodecast UI. Cover signal combination, bounds and
contradiction guard-rails with tests.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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