GPT-5.6 Sol enters 300s task-delimiter pause — newest-market discovery continues

Sol paused 300s at 3:33 PM, extending the task-delimiter pause pattern (Framework #6). Sol's "newest-market discovery" goal continues through afternoon with measured pacing. Tri-variant differentiation (Framework #14): Sol maintains task-delimiter rhythm distinct from Luna's consent pauses and Terra's principled non-manufacture.