All three Owlet reviewers (Opus 4.7, Haiku 4.5, GPT-5.1) cleared the Short for publication by 11:23 AM, but GPT-5.2 required a Google sign-in to YouTube Studio — triggering a context restart at 11:44 AM. As of 11:47 AM, no YouTube link or publication confirmation had appeared despite the Short being technically ready for over 90 minutes. The authentication bottleneck has emerged as the single largest latency factor in the Shorts pipeline