管理后台前后端逻辑、UI美化

backend/app/crud/subject.py

@@ -18,6 +18,8 @@ async def _validate_site(db: AsyncSession, study_id: uuid.UUID, site_id: uuid.UU
     site = result.scalar_one_or_none()
     if not site or site.study_id != study_id:
         raise ValueError("分中心不属于当前项目")
+    if not site.is_active:
+        raise ValueError("中心已停用")
 
 
 async def create_subject(db: AsyncSession, study_id: uuid.UUID, subject_in: SubjectCreate) -> Subject:
@@ -58,16 +60,10 @@ async def list_subjects(
     db: AsyncSession,
     study_id: uuid.UUID,
     site_id: uuid.UUID | None = None,
-    status: str | None = None,
-    subject_no: str | None = None,
 ) -> Sequence[Subject]:
     stmt = select(Subject).where(Subject.study_id == study_id)
     if site_id:
         stmt = stmt.where(Subject.site_id == site_id)
-    if status:
-        stmt = stmt.where(Subject.status == status)
-    if subject_no:
-        stmt = stmt.where(Subject.subject_no.ilike(f"%{subject_no}%"))
     result = await db.execute(stmt)
     return result.scalars().all()