fix: handle risk explanation standard adjustment

server/src/app/api/v1/endpoints/reimbursements.py

@@ -20,6 +20,7 @@ from app.schemas.reimbursement import (
     ExpenseClaimItemUpdate,
     ExpenseClaimRead,
     ExpenseClaimReturnPayload,
+    ExpenseClaimStandardAdjustmentPayload,
     ExpenseClaimUpdate,
     ReimbursementCreate,
     ReimbursementRead,
@@ -233,6 +234,43 @@ def update_expense_claim(
     return claim
 
 
+@router.post(
+    "/claims/{claim_id}/standard-adjustment",
+    response_model=ExpenseClaimRead,
+    summary="接受职级报销标准重算",
+    description="在草稿报销单存在中高风险但提交人不补充异常说明时，按职级可报销标准重算实际报销金额。",
+    responses={
+        status.HTTP_404_NOT_FOUND: {
+            "model": ErrorResponse,
+            "description": "报销单不存在。",
+        },
+        status.HTTP_400_BAD_REQUEST: {
+            "model": ErrorResponse,
+            "description": "报销单状态不允许重算或入参不合法。",
+        },
+    },
+)
+def accept_expense_claim_standard_adjustment(
+    claim_id: str,
+    payload: ExpenseClaimStandardAdjustmentPayload,
+    db: DbSession,
+    current_user: CurrentUser,
+) -> ExpenseClaimRead:
+    service = ExpenseClaimService(db)
+    try:
+        claim = service.accept_standard_adjustment(
+            claim_id=claim_id,
+            payload=payload,
+            current_user=current_user,
+        )
+    except ValueError as error:
+        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=str(error)) from error
+
+    if claim is None:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Claim not found")
+    return claim
+
+
 @router.patch(
     "/claims/{claim_id}/items/{item_id}",
     response_model=ExpenseClaimRead,