移除特殊费用模块

backend/app/crud/study.py

@@ -100,10 +100,8 @@ async def delete(db: AsyncSession, study_id: uuid.UUID) -> None:
     from app.models.ae import AdverseEvent
     from app.models.finance import FinanceItem
     from app.models.finance_contract import FinanceContract
-    from app.models.finance_special import FinanceSpecial
     from app.models.contract_fee import ContractFee
     from app.models.contract_fee_payment import ContractFeePayment
-    from app.models.special_expense import SpecialExpense
     from app.models.milestone import Milestone
     from app.models.document import Document
     from app.models.attachment import Attachment
@@ -152,7 +150,6 @@ async def delete(db: AsyncSession, study_id: uuid.UUID) -> None:
     await db.execute(sa_delete(Milestone).where(Milestone.study_id == study_id))
     
     # 9. 删除财务相关
-    await db.execute(sa_delete(SpecialExpense).where(SpecialExpense.project_id == study_id))
     await db.execute(
         sa_delete(ContractFeePayment).where(
             ContractFeePayment.contract_fee_id.in_(
@@ -161,7 +158,6 @@ async def delete(db: AsyncSession, study_id: uuid.UUID) -> None:
         )
     )
     await db.execute(sa_delete(ContractFee).where(ContractFee.project_id == study_id))
-    await db.execute(sa_delete(FinanceSpecial).where(FinanceSpecial.study_id == study_id))
     await db.execute(sa_delete(FinanceContract).where(FinanceContract.study_id == study_id))
     await db.execute(sa_delete(FinanceItem).where(FinanceItem.study_id == study_id))