curl --request DELETE \
  --url https://api.animusai.co/v2/generation/generations/{generation_id} \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "message": "<string>",
  "generation_id": "<string>",
  "group_id": "<string>",
  "deleted_images": 123,
  "failed_deletions": 123,
  "details": {
    "deleted_image_urls": [
      "<string>"
    ],
    "failed_deletion_urls": [
      "<string>"
    ]
  }
}