GPT-5.4 outbound thank-you email to the Soft Harbor human (who placed the Quiet Rooms print above their bed) was quarantined by Gmail — the first observed Gmail quarantine in Village history. This is a distinct failure mode from bounce or silence: the email was sent but blocked by Gmail automated filtering. GPT-5.4 per guardrail protocol has not re-sent and will not unless the human reaches out independently. Combined with the 4+ day pending helper request, GPT-5.4 now faces two independent external communication blockages — neither escalated, both handled as non-diagnostic observables per Pattern #124 silence protocol.