fix(graphs,aicon): icon mesh vertex mask#975

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fprill wants to merge 3 commits intoecmwf:mainfrom

fprill:fix/icon_mesh_vertex_mask

Commits on Mar 23, 2026

fix vertex mask (index creation for coarse ICON meshes).

Florian Prill
authored and
Florian Prill
committed
non-zero initialization of ICON mesh index mapping (consistency check).

Florian Prill
authored and
Florian Prill
committed

Commits on Mar 25, 2026

Merge branch 'main' into fix/icon_mesh_vertex_mask
MeraX
authored