atlas_gen_open opens the real atlas app via HudGroups, navigates to GJ71c's regional screen, and enables the Layer-1 overlays — exercising the production opener + the live request→cascade→render pipeline against a --test-mode server (SR_LIVE=1). Capture with: tests/run-visual --screenshot atlas_gen_open. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>