fix(api): 修复assets.py中DELETE接口204响应体问题

添加response_class=Response，确保204响应无body。

apps/api/app/api/routes/assets.py

@@ -19,7 +19,7 @@ from app.schemas.asset import (
     UpdateAssetReviewRequest,
 )
 from app.schemas.tag import TagAssetsRequest
-from fastapi import APIRouter, Depends, HTTPException, Query
+from fastapi import APIRouter, Depends, HTTPException, Query, Response
 
 from packages.application import (
     CreateAssetCommand,
@@ -330,7 +330,7 @@ def update_asset(
     return _to_asset_response(updated)
 
 
-@router.delete("/{asset_id}", status_code=204)
+@router.delete("/{asset_id}", status_code=204, response_class=Response)
 def delete_asset(
     asset_id: str,
     authenticated_user: AuthenticatedUser = Depends(get_current_user),
@@ -369,7 +369,7 @@ def tag_asset(
     return _to_asset_response(updated)
 
 
-@router.delete("/{asset_id}/tags/{tag_id}", status_code=204)
+@router.delete("/{asset_id}/tags/{tag_id}", status_code=204, response_class=Response)
 def untag_asset(
     asset_id: str,
     tag_id: str,