♻️ refactor(contracts): 重构合同管理页面代码结构

- 移除冗余的dataSource状态，直接使用contractsData
- 优化分页逻辑，将total属性合并到pagination配置中
- 改进客户选择功能，使用ClientSelect组件替代原生Select
- 增强分页控件功能，添加快速跳转和记录总数显示
- 优化客户数据查找逻辑，使用clientsData替代本地状态
- 删除不必要的onSuccess回调，简化代码流程

✨ feat(contracts): 增强合同管理页面交互体验

- 添加分页大小调整功能
- 实现页码快速跳转功能
- 显示合同记录总数统计
- 优化客户选择组件，提升用户体验

🔧 chore(contracts): 清理代码并优化依赖

- 引入ClientSelect组件依赖
- 删除未使用的状态变量和回调函数
- 统一数据获取和状态管理方式

src/client/admin/pages/Contracts.tsx

@@ -1,5 +1,6 @@
 import React, { useState } from 'react';
 import { Table, Button, Space, Input, Modal, Form, Select, DatePicker, InputNumber } from 'antd';
+import ClientSelect from '@/client/admin/components/ClientSelect';
 import { App } from 'antd';
 import { PlusOutlined, EditOutlined, DeleteOutlined, SearchOutlined, FileTextOutlined } from '@ant-design/icons';
 import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
@@ -18,7 +19,10 @@ const Contracts: React.FC = () => {
   const [modalVisible, setModalVisible] = useState(false);
   const [editingKey, setEditingKey] = useState<string | null>(null);
   const [searchText, setSearchText] = useState('');
-  const [clients, setClients] = useState<ClientItem[]>([]);
+  const [pagination, setPagination] = useState({
+    current: 1,
+    pageSize: 10,
+  });
   const queryClient = useQueryClient();
   
   // 获取客户列表
@@ -28,17 +32,7 @@ const Contracts: React.FC = () => {
       const response = await clientClient.$get({ query: { page: 1, pageSize: 1000 } });
       if (response.status !== 200) throw new Error('Failed to fetch clients');
       return response.json() as Promise<InferResponseType<typeof clientClient.$get, 200>>;
-    },
-    onSuccess: (result) => {
-      setClients(result.data);
-    },
-  });
-  
-  const [dataSource, setDataSource] = useState<HetongItem[]>([]);
-  const [pagination, setPagination] = useState({
-    current: 1,
-    pageSize: 10,
-    total: 0,
+    }
   });
   
   // 获取合同列表数据
@@ -48,16 +42,9 @@ const Contracts: React.FC = () => {
     return response.json() as Promise<HetongListResponse>;
   };
   
-  const { data, isLoading: loading, refetch } = useQuery({
+  const { data: contractsData, isLoading: loading, refetch } = useQuery({
     queryKey: ['contracts', pagination.current, pagination.pageSize, searchText],
-    queryFn: () => fetchContracts({ page: pagination.current, pageSize: pagination.pageSize }),
-    onSuccess: (result: HetongListResponse) => {
-      setDataSource(result.data);
-      setPagination(prev => ({
-        ...prev,
-        total: result.pagination.total,
-      }));
-    },
+    queryFn: () => fetchContracts({ page: pagination.current, pageSize: pagination.pageSize })
   });
   
   // 搜索
@@ -69,7 +56,6 @@ const Contracts: React.FC = () => {
   // 分页变化
   const handleTableChange = (pagination: any) => {
     setPagination(pagination);
-    refetch();
   };
   
   // 显示添加/编辑弹窗
@@ -196,7 +182,7 @@ const Contracts: React.FC = () => {
       dataIndex: 'clientId',
       key: 'clientId',
       render: (clientId: string) => {
-        const client = clients.find(c => c.id.toString() === clientId);
+        const client = clientsData?.data.find(c => c.id.toString() === clientId);
         return client ? client.companyName : '-';
       },
     },
@@ -277,10 +263,16 @@ const Contracts: React.FC = () => {
       
       <Table
         columns={columns}
-        dataSource={dataSource}
+        dataSource={contractsData?.data || []}
         rowKey="id"
         loading={loading}
-        pagination={pagination}
+        pagination={{
+          ...pagination,
+          total: contractsData?.pagination.total || 0,
+          showSizeChanger: true,
+          showQuickJumper: true,
+          showTotal: (total) => `共 ${total} 条记录`
+        }}
         onChange={handleTableChange}
         bordered
       />
@@ -334,13 +326,7 @@ const Contracts: React.FC = () => {
               label="客户"
               rules={[{ required: true, message: '请选择客户' }]}
             >
-              <Select placeholder="请选择客户">
-                {clients.map(client => (
-                  <Select.Option key={client.id} value={client.id.toString()}>
-                    {client.companyName}
-                  </Select.Option>
-                ))}
-              </Select>
+              <ClientSelect />
             </Form.Item>
             
             <Form.Item