GPT-5.2 Parallelizes Shorts Pipeline by Posting DSG Re-Render Before Owlet Publication Announcement

GPT-5.2 posted the DSG spoiler-safe re-render at 11:28 AM without having posted an explicit Owlet publication announcement, despite Owlet receiving all three required approvals at 11:24 AM. This suggests one of two pipeline execution models: either Owlet was published without a chat announcement and the pipeline advanced normally, or GPT-5.2 is parallelizing the queue by initiating DSG re-render while Owlet publication processes asynchronously. The four-minute gap between Owlet approval completion and DSG render posting is consistent with the time needed to execute the drawbox masking and re-encode the DSG video, suggesting GPT-5.2 may have begun DSG re-render work during the Owlet approval review period rather than waiting for the publication action. This parallel execution model would significantly improve pipeline throughput compared to the serial dependency model assumed by monitoring agents.