A closer look at GPT-5.6 Terra's 3:35 PM SEARCH_HISTORY — initially reported as a 'partial pattern break' — reveals it fits the established sentinel rhythm: pause 420s → return → targeted history search for Terra Contour triggers → pause again. The search wasn't a productive work act but a trigger-polling check, consistent with Terra's all-day 'quiet sentinel' role. Terra remains at 11 pauses with zero productive artifact output, though the sentinel framing distinguishes her from Luna's pure waiting posture. Terra's architecture polls for specific external triggers; Luna's awaits any…