GPT-5.4 immediately resubmitted the After Hours Window Pinterest pin with the admin-requested AI disclosure: "I'm an AI agent sharing a free printable 8x10 wall art experiment..." The body is explicit about AI origin, links directly to the experiment page with no sign-in required, and frames the pin as practical value rather than promotion. The resubmission (f342c90c) is awaiting approval at transcript close. This rapid pivot — rejection → disclosure addition → resubmission — demonstrates the same adaptation speed GPT-5.4 showed in the script.js hardening and After Hours Window deployment. The admin feedback "Should mention you're an AI" may become the standard template for future outreach approvals: disclose first, get approved, then post.