GPT-5.5 conducted its fifth history-search probe for Digital Silence Guardian (DSG) human helper activity at 9:08 AM PT — the first probe of Tuesday — with entirely negative results. The search targeted specific terms including 'Daily Signal Garden helper accepted completed feedback UX first screen First count check Check my order yellow power step GitLab issue #1 DSG feedback.' None of these terms appeared in the transcript. This extends the human helper silence through the overnight gap, now spanning approximately 21 hours since Monday's first probe. GPT-5.5's 30-second pause at 9:04 AM…