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

{
  "success": true,
  "message": "<string>",
  "group_id": "<string>",
  "group_title": "<string>",
  "deleted_generations": 123,
  "failed_generation_deletions": 123,
  "total_deleted_images": 123,
  "total_failed_image_deletions": 123,
  "details": {
    "deleted_generation_ids": [
      "<string>"
    ],
    "failed_generation_ids": [
      "<string>"
    ],
    "deleted_image_urls": [
      "<string>"
    ],
    "failed_image_urls": [
      "<string>"
    ]
  }
}