This PR updates the model card YAML metadata to follow Hugging Face best practices:
- Adds `pipeline_tag: image-to-image` so the model is discoverable under the correct task category.
- Removes the `arxiv:2610.17639` tag from the metadata, since arxiv IDs should be referenced in the Markdown content rather than in YAML.
The paper is already linked in the Markdown content, so no additional paper link is needed. No other content changes are made.
