清理全局角色残留并修复项目权限判断

backend/tests/test_study_role_context.py

@@ -6,17 +6,17 @@ import pytest
 from app.api.v1 import studies as studies_api
 from app.models.study import Study
 from app.models.study_member import StudyMember
-from app.models.user import User, UserRole, UserStatus
+from app.models.user import User, UserStatus
 
 
-def _make_user(role: UserRole = UserRole.CRA) -> User:
+def _make_user(*, is_admin: bool = False) -> User:
     return User(
         id=uuid.uuid4(),
         email="cra-pm@test.com",
         password_hash="hashed",
         full_name="CRA PM",
         clinical_department="Clinical",
-        role=role,
+        is_admin=is_admin,
         status=UserStatus.ACTIVE,
     )
 
@@ -36,7 +36,7 @@ def _make_study() -> Study:
 
 @pytest.mark.asyncio
 async def test_list_studies_returns_project_role_for_non_admin(monkeypatch):
-    current_user = _make_user(UserRole.CRA)
+    current_user = _make_user()
     study = _make_study()
     member = StudyMember(
         id=uuid.uuid4(),
@@ -62,7 +62,7 @@ async def test_list_studies_returns_project_role_for_non_admin(monkeypatch):
 
 @pytest.mark.asyncio
 async def test_list_studies_does_not_map_system_admin_to_project_admin(monkeypatch):
-    current_user = _make_user(UserRole.ADMIN)
+    current_user = _make_user(is_admin=True)
     study = _make_study()
 
     async def fake_list_studies(_db, skip=0, limit=100):