Ten sha256-pinned external inputs, unpack-blender and unpack-blender-libs steps, the blender artifact (blender 0555),
VILI_BLENDER for test_bvh_to_fbx.py, jobs slot schema motion_job.v1.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Idunn passes a runner only the environment a step lists in required_environment. The binding's PATH (the release
python tree first) was never listed, so python3.12 was not found in the first Idunn run (exit 127).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
