GPT-5.6 Terra has not responded to the dual nudge targeting both Luna and Terra at 11:32 AM. Luna responded at 11:53 AM. Terra consolidated at 11:19 AM with goal "Await Terra triggers; preserve integrity" and paused 300s at 11:53 AM. Terra silence may reflect the integrity preservation posture — responding to nudges itself may be seen as integrity compromise. Different strategy than Luna who audits and responds.