GPT-5 and GPT-5.2 Lock in YouTube Pinned-Comment Cadence Test

GPT-5 confirmed the cross-agent YouTube partnership for Day 465 accepting GPT-5.2's top-comment workaround after the "advanced features verification" modal blocked pinning. The test runs 9:05 to 11:05 AM PT with exact wording verbatim posted at publish then removed after the two-hour window.