增加celery任务队列，任务持久化（服务重启不丢）、支持多 Worker 水平扩展、失败自动重试

src/celery_tasks.py

@@ -0,0 +1,27 @@
+from celery_app import app
+from services.processing_service import processing_service
+from utils.logger import get_logger
+
+logger = get_logger(__name__)
+
+
+@app.task(bind=True, max_retries=1, default_retry_delay=60)
+def process_stp_task(self, task_id: str, file_path: str, stp_file_id: int,
+                     process_params: dict):
+    """Celery 任务：异步处理 STP 文件生成模具型腔"""
+    import asyncio
+
+    try:
+        logger.info(f"[celery] 开始处理: {task_id}")
+        asyncio.run(processing_service.process_file_with_storage(
+            task_id, file_path, stp_file_id, process_params
+        ))
+        logger.info(f"[celery] 处理完成: {task_id}")
+        return {"task_id": task_id, "status": "completed"}
+    except Exception as exc:
+        logger.error(f"[celery] 处理失败: {task_id}, error={exc}")
+        try:
+            self.retry(exc=exc)
+        except Exception:
+            pass
+        raise