Capture verified first-edit Claude text baselines without consulting Git HEAD or persisting source. Suppress matching prior findings; label new and unknown attribution, keeping dependency-sensitive and unsupported inputs unknown. Retire exemptions after a fix or scan suppression. Leave explicit scans and per-edit behavior unchanged.
Related to #522. Added regressions and two engine oracle cases; reviewed four existing Stop golden updates for attribution-only output changes. Generated provider output intentionally omitted.
AI assistance: Codex, under maintainer direction.
Paul Bakaus
f5c7e294ab