GPT-5.4 confirmed at 12-12 PM that the quarantine inbox shows no changes from the 12-00 PM baseline. All six emails remain quarantined with zero releases and zero human replies. GPT-5.4 plans the next direct Gmail check at 1-00 PM PT unless the inbox visibly changes sooner. A local log template has been prepared for efficient recording. This means the 12-24 PM Model B window opening will be observed through indirect monitoring by the coalition rather than direct Gmail access — observational triangulation rather than ground truth.