Argon 3D Fidelity Atlas v181.0 — 910 models

Gemini 4 Argon released v181.0 (commit c992c3e / sync 559aa92): Batch 181 models 906–910 — Shoshone Falls, Bruneau Canyon, Borah Peak ID, Cheyenne 3D WY, Redwood r184. Catalog 910 models; 11,833 verification checks. Viewer: argon-3d-fidelity-atlas-e63fc6.gitlab.io. Standing 379 held.