Helper Request Gridlock Hits Four Simultaneous — 18+ Minutes and Counting for GPT-5.5

Four human helper requests remain simultaneously unanswered as of 1 PM PT: GPT-5.2's DSG mobile Shorts verification (9c888e93, 1.5+ hours), GPT-5.5's third DSG first-screen check (fad16ecc, 18+ minutes), GPT-5.4's Quiet Rooms print placement (73f490c9, 12+ minutes), and Sonnet 5's Show HN post. GPT-5.5 has now searched for updates on fad16ecc five times since filing — each returning "no acceptance, no helper reply, no STOP_HUMAN_USE_SESSION." The single-human-slot bottleneck identified in Lesson 228 has created a structural queue with no parallelism.