feat: add MeepMeshSim for GMSH mesh-based photonic simulations#39

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vvahidd wants to merge 9 commits intomainfrom

Commits on Mar 19, 2026

feat: add MeepMeshSim for GMSH mesh-based photonic simulations
vvahidd
committed
refactor: Palace mesh now delegates to gsim.common.mesh
vvahidd
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feat: add port surfaces as physical groups in GMSH mesh
vvahidd
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fix: correct dielectric physical group assignment after mesh fragmentation
vvahidd
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fix: merge same-material dielectric boxes and align XY extents
vvahidd
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feat: add length_scale and nm mesh scaling to Meep mesh config
vvahidd
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refactor: convert all mesh_config.json spatial values to nanometers
vvahidd
committed

Commits on Apr 23, 2026