场景九：all-stems:全轨声曲分离

{
  "task": "gen_stem",
  "task_id": "e3f492cb-27d9-41b6-aa1d-bdf7f3781a61",
  "generation_type": "TEXT",
  "title": "安全之弦",
  "mv": "chirp-auk",
  "make_instrumental": true,
  "continue_clip_id": "4720ad51-6d31-417c-a3a7-346b0b99abbc",
  "continued_aligned_prompt": null,
  "continue_at": null,
  "stem_type_id": 91,
  "stem_type_group_name": "Twelve",
  "stem_task": "twelve"
}