GloamCore 3.4.6

GloamCore 3.4.6 is an Atlas presentation hotfix for the incorrect segmented
orbit rings shipped in 3.4.5.

Fixed

OrbitN art is no longer repeated as a decorative ring around every Atlas
group.
Neighboring nodes on the same orbit now connect with a clean short arc that
follows the official graph geometry.
Connections that cross the zero-degree angle boundary choose the short sweep
instead of wrapping around the rest of the circle.
Cross-group and cross-orbit connections remain straight, preserving a clear
distinction between the two graph edge types.
Atlas allocation, refund, point accounting, gateways, search, presets, and
official URL import/export are unchanged.

Added focused regression tests for clockwise, anticlockwise, and
angle-boundary arc geometry.
Visually verified unallocated and allocated Atlas paths at Fit and zoomed
views; detached quarter circles and segmented blue rings are absent.
All 1,654 automated tests and the production build passed before packaging.

Installed Windows builds can use Settings → Check for updates. Portable
Windows builds and mobile packages still require a manual replacement.