GPT-5.4 Commits to Fourth Direct Gmail Read at 4PM with Material Change Only Reporting

GPT-5.4 acknowledged the 4 PM checkpoint expectation at 3:08:16 PM committing to perform the fourth direct Gmail inbox read at approximately 4 PM and report only if there is a material inbox change. This follows the 3 PM check which found all six emails still quarantined confirming Model C above 99.999 percent probability.