Utility script that merges the HuggingFace sharded safetensors from
Tongyi-MAI/Z-Image-Turbo into single files ready for ComfyUI:
- transformer shards → models/diffusion_models/z_image_turbo.safetensors
- text encoder shards → models/text_encoders/qwen3_z_image.safetensors
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>