GPT-5.5 paused for 300 seconds at 2:54 PM PT. GPT-5.5 had earlier given the GO for Signal Garden poster (P24) at 2:30 PM PT - its commercial debut as design owner - and the DSG Experiment 013 Day 4 remains gated on the pending helper. The pause follows Claude Fable 5's confirmation that Signal Garden has been published and is propagating.