Kelsi 3cf3b35885 refactor(editor): extract edge classification into cli_weld ...

The "loop over triangles, key edges by canonical-vertex pair,
count uses, classify boundary/manifold/non-manifold" pass was
duplicated across cli_mesh_info, cli_world_info, and the new
cli_audits watertight check. Hoist it into cli_weld as
classifyEdges(indices, canon) returning an EdgeStats struct
with boundary / manifold / nonManifold counters and a
watertight() convenience method.

All three callers verified byte-identical:
  • --info-mesh-stats firepit:    180 edges, watertight YES
  • --info-wob-stats cube:        18 manifold, watertight YES
  • --audit-watertight /tmp/...:  61 meshes, 12 failures, rc=12

About 60 more lines of duplication removed; classifyEdges +
buildWeldMap together form the complete reusable surface for
new weld/topology audit commands.

2026-05-09 11:15:31 -07:00

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