feat: 解耦角色与模特并完善模特库

core/backend/apps/ai/tasks.py

@@ -51,6 +51,15 @@ def generate_triview_task(self, task_id: str) -> str:
     return task_id
 
 
+@app.task(bind=True, max_retries=0)
+def generate_model_triview_task(self, task_id: str) -> str:
+    """团队模特库三视图：不绑定项目，成功更新 Model.triview_asset，失败释放预留积分。"""
+    from apps.ai.services import run_model_triview_task
+
+    run_model_triview_task(task_id=task_id)
+    return task_id
+
+
 @app.task(bind=True, max_retries=0)
 def poll_free_video_task(self, task_id: str, attempt: int = 0) -> str:
     """自由创作视频·worker 兜底轮询:每 30s 一次自重排(不依赖 celery beat),