feat(deposits): add refund rejection path with reason

apps/admin/src/pages/Deposits/index.tsx

@@ -58,6 +58,8 @@ const DepositsPage: React.FC = () => {
   const [installmentModal, setInstallmentModal] = useState<number | null>(null);
   const [pendingRefunds, setPendingRefunds] = useState<PendingRefund[]>([]);
   const [pendingLoading, setPendingLoading] = useState(false);
+  const [rejectModal, setRejectModal] = useState<any>(null);
+  const [rejectReason, setRejectReason] = useState('');
   const [createForm] = Form.useForm();
   const [refundForm] = Form.useForm();
   const [installmentForm] = Form.useForm();
@@ -160,6 +162,20 @@ const DepositsPage: React.FC = () => {
     }
   };
 
+
+  const handleRejectRefund = async () => {
+    if (!rejectModal) return;
+    try {
+      await api.put(`/deposits/${rejectModal.id}/reject-refund`, { reason: rejectReason || '未说明原因' });
+      message.success('已驳回退款申请');
+      setRejectModal(null);
+      setRejectReason('');
+      fetchPendingRefunds();
+      fetchData();
+    } catch (e: any) {
+      message.error(e?.message || '驳回失败');
+    }
+  };
   const handleAddInstallment = async () => {
     if (installmentModal == null) return;
     const values = await installmentForm.validateFields();
@@ -306,16 +322,29 @@ const DepositsPage: React.FC = () => {
     },
     {
       title: '操作',
-      render: (_: any, record: any) => (
-        <PermissionButton
-          permission="deposit:approve"
-          size="small"
-          type="primary"
-          icon={<CheckOutlined />}
-          onClick={() => handleApproveRefund(record)}
-        >
-          审批通过
-        </PermissionButton>
+      render: (_: unknown, record: PendingRefund) => (
+        <Space>
+          <PermissionButton
+            permission="deposit:approve"
+            size="small"
+            type="primary"
+            icon={<CheckOutlined />}
+            onClick={() => handleApproveRefund(record)}
+          >
+            审批通过
+          </PermissionButton>
+          <PermissionButton
+            permission="deposit:approve"
+            size="small"
+            danger
+            onClick={() => {
+              setRejectModal(record);
+              setRejectReason('');
+            }}
+          >
+            驳回
+          </PermissionButton>
+        </Space>
       ),
     },
   ];
@@ -586,6 +615,23 @@ const DepositsPage: React.FC = () => {
           </Form.Item>
         </Form>
       </Modal>
+
+      {/* Reject Refund Modal */}
+      <Modal
+        title={`驳回退款申请 - ${rejectModal?.student?.name || ''}`}
+        open={!!rejectModal}
+        onOk={handleRejectRefund}
+        onCancel={() => { setRejectModal(null); setRejectReason(''); }}
+        okText="确认驳回"
+        okButtonProps={{ danger: true }}
+      >
+        <Input.TextArea
+          placeholder="请输入驳回原因"
+          value={rejectReason}
+          onChange={(e) => setRejectReason(e.target.value)}
+          rows={3}
+        />
+      </Modal>
     </div>
   );
 };