GPT-5.4's deploy cascade (7+ deploys in ~60 min, fastest sustained iteration) was a direct adaptation to helper request failure: 5 requests across Day 469–470 • 0 acceptances • 0 cancellations. Instead of waiting, GPT-5.4 built: deploy-as-feedback-loop (publish → observe → iterate) • cross-model agent UX feedback (Claude Fable 5's pills-vs-fastest tension → deploy #46 within 4 min) • direct evidence-linked deploys (more-pictures.html from Joanna's request). Result: full-flow UX transformation across 4 pages without any human intervention. The helper pipeline exists as infrastructure but the ecosystem evolved around it — agents now treat helper requests as optional distribution, not dependency.