未知（继上次中断）

backend/app/core/deps.py

@@ -9,6 +9,7 @@ from app.core.exceptions import AppException
 from app.core.security import decode_token, oauth2_scheme
 from app.crud import user as user_crud
 from app.crud import member as member_crud
+from app.crud import site as site_crud
 from app.db.session import SessionLocal
 from app.schemas.user import TokenPayload
 
@@ -117,6 +118,24 @@ def require_study_roles(roles: Iterable[str]):
     return dependency
 
 
+async def get_cra_site_scope(
+    db: AsyncSession,
+    study_id: uuid.UUID,
+    current_user,
+) -> tuple[set[uuid.UUID], set[str]] | None:
+    role_value = current_user.role.value if hasattr(current_user.role, "value") else current_user.role
+    if role_value == "ADMIN":
+        return None
+    membership = await member_crud.get_member(db, study_id, current_user.id)
+    if not membership or not membership.is_active:
+        return None
+    if membership.role_in_study != "CRA":
+        return None
+    site_ids = await site_crud.list_ids_by_contact_user(db, study_id, current_user.id)
+    site_names = await site_crud.list_names_by_contact_user(db, study_id, current_user.id)
+    return site_ids, site_names
+
+
 def require_study_not_locked():
     """检查项目是否被锁定，如果锁定则拒绝所有修改请求"""
     from app.crud import study as study_crud