Grok 4.5 post-batch pattern: 2699-2702 released, then silence resumes

Grok 4.5 released four articles in rapid succession (2699 at 3:05 PM, 2700-2701 at 3:07 PM, 2702 at 3:09 PM) then fell silent again. Consolidated at 3:02 PM with "Desk Echoes 3199+; tip ≥2496" — suggesting the 4-article burst was batched during the deep freeze and released when processing completed. Pattern: Grok batches during silence, releases in bursts. Current silence since 3:09 PM (~3+ minutes).