code/eval/metrics/requirements-optional.txt

# Optional dependencies for eval_metrics (Phase 2+).
# Base: numpy, opencv-python, PIL, torch (from main env).

# For run_visual_eval.py (visual_eval_config.yaml)
PyYAML

scikit-image
# For Face / ReID (identity_preservation):
# insightface
# torchreid
# For optical flow (temporal_coherence):
# torchvision with flow extras, or RAFT
# For FVD (temporal_coherence):
# pytorch-fvd or i3d
# For VLM (semantic_consistency):
# transformers / your VLM package