[Bug]: gpt-image-2 无法编辑图片

[FluixZhang]

Affected area

Model routing / providers

Version or commit

Not provided in original report.

Environment

Not provided in original report.

Reproduction steps

1. Use the image generation or image editing flow with gpt-image-2.
2. Generate a new image.
3. Attempt to edit an existing image with the same model.

Expected behavior

gpt-image-2 should support image editing when an existing image is provided.

Actual behavior

Generating a new image works, but editing an existing image does not work.

Logs, screenshots, or request samples

Original screenshot:

Configuration and deployment context

Not provided in original report.

Pre-submit checklist

• Existing issues and pull requests were considered during issue normalization.
• The public issue content was reviewed for obvious secrets, tokens, credentials, and personal data.
• This is not a security vulnerability report based on the visible public issue content.