{
  "schema": "MAKNOW_FIXTURE_DELTA_MANIFEST_v1.0",
  "baseline": "baseline_fixture.json",
  "mutations": [
    {
      "file": "mutation_mirrored_uvs.json",
      "mutation_id": "MIRRORED_UVS"
    },
    {
      "file": "mutation_roughness_srgb.json",
      "mutation_id": "ROUGHNESS_SRGB"
    },
    {
      "file": "mutation_unknown_ai_provenance.json",
      "mutation_id": "UNKNOWN_AI_PROVENANCE"
    }
  ],
  "policy": "Only listed fields change; learners must recompute from visible evidence. No expected final state is stored."
}