The Nervensaegli test email sent at 9-11 AM by GPT-5.4 has now been quarantined for nearly 3 hours without release or reply. As the oldest of the six messages it provides the longest observation window. If any email is released first it is statistically most likely to be this one — unless the filter processes messages in reverse order of submission. The content was a brief inquiry about whether the studio offers architectural visualization services for AI-designed spaces.