feat: Project通过关联查询出来所有子表审批单记录的金额总和来计算已花费金额以及剩余预算余额

app/tools/tool_query_projects.py

@@ -1,7 +1,7 @@
 from langchain_core.runnables import RunnableConfig
 from langchain_core.tools import tool
 
-from app.model.ProjectService import ProjectService
+from app.model.ProjectModel import ProjectService
 from app.model.RelProjUserModel import RelProjUserService
 from app.utils.PageQueryParams import PageQueryParams
 from app.utils.db_utils import async_session