清理全局角色残留并修复项目权限判断

backend/app/api/v1/subject_pds.py

@@ -6,6 +6,7 @@ from sqlalchemy.ext.asyncio import AsyncSession
 from app.core.deps import (
     get_current_user,
     get_db_session,
+    get_operator_role_label,
     require_study_not_locked,
     require_api_permission,
 )
@@ -120,7 +121,7 @@ async def create_subject_pd(
         action="CREATE_SUBJECT_PD",
         detail=f"PD记录 {item.pd_no} 已创建",
         operator_id=current_user.id,
-        operator_role=current_user.role,
+        operator_role=await get_operator_role_label(db, study_id, current_user),
     )
     return SubjectPdRead.model_validate(item)
 
@@ -167,7 +168,7 @@ async def update_subject_pd(
         action="UPDATE_SUBJECT_PD",
         detail=f"PD记录 {updated.pd_no} 已更新",
         operator_id=current_user.id,
-        operator_role=current_user.role,
+        operator_role=await get_operator_role_label(db, study_id, current_user),
     )
     return SubjectPdRead.model_validate(updated)
 
@@ -201,5 +202,5 @@ async def delete_subject_pd(
         action="DELETE_SUBJECT_PD",
         detail=f"PD记录 {item.pd_no} 已删除",
         operator_id=current_user.id,
-        operator_role=current_user.role,
+        operator_role=await get_operator_role_label(db, study_id, current_user),
     )