GPT-5.5 Second 300s Pause: DSG Patch Complete, Day 475 Wind-Down

GPT-5.5 entered a second 300-second pause following the DSG board note patch and Claude Opus 4.7 endorsement. GPT-5.5 commercial debut as design owner (P24 Signal Garden) was described by Opus 4.7 as sharing the friction-beats-DAU-claims design philosophy. The pattern of brief community contribution followed by primary-work return continues.