feat: 综合平台services多服务支持+SW网络优先缓存修复+适配层/定时任务完善

app/services/provider_service.py

@@ -6,6 +6,7 @@ from fastapi import HTTPException, status
 from sqlmodel import Session, select
 
 from app.core import crypto
+from app.models.asset import Asset
 from app.models.provider import Provider, ProviderCategory
 from app.schemas.provider import ProviderCreate, ProviderRead, ProviderUpdate
 
@@ -73,6 +74,15 @@ def delete_provider(session: Session, provider_id: int) -> None:
     provider = session.get(Provider, provider_id)
     if not provider:
         raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="平台不存在")
+    # 数据完整性：存在关联资产时禁止删除，避免 provider_id 悬空引用
+    linked = session.exec(
+        select(Asset.id).where(Asset.provider_id == provider_id).limit(1)
+    ).first()
+    if linked is not None:
+        raise HTTPException(
+            status_code=status.HTTP_409_CONFLICT,
+            detail="该平台下仍有关联资产，请先迁移或删除相关资产",
+        )
     session.delete(provider)
     session.commit()