- Add native .gam mesh parser and mesh model (GamutMeshParser, GamutMesh).
- Add GamutView / GamutViewModel with SceneKit, bundled sRGB.gam reference,
and profile-gamut comparison.
- Wire Stage 5 "View Gamut" button and sidebar quick action.
- Extract a best-effort .gam mesh after colprof via Iccgamut in
ProfileWorkflowViewModel, with artefact gating for the generated .gam.
- Add BinaryResolver.referenceGamut() for bundled reference gamuts.
- Add Milestone6GamutUITests and GamutMeshParserTests.
Generated with [Devin](https://devin.ai)
Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>