feat(customer): 新增ICC客户信息同步功能 - OAuth2密码模式鉴权拉取org_base客户、按icc_code幂等upsert写入并记录icc_sync_log，注册每10分钟定时任务；客户档案管理页新增手动'同步客户'按钮（POST /api/customers/sync/icc），同步后自动刷新列表与统计；customer表新增icc_code字段及唯一索引，同步db_seed与设计文档

client/src/views/customer/info/index.vue

@@ -19,6 +19,10 @@
 					<p class="desc">统一维护客户的基础资料、联系信息与业务阶段，支持快速检索与档案管理。</p>
 				</div>
 				<div class="header-actions">
+					<a-button :loading="syncing" @click="handleSync">
+						<template #icon><SyncOutlined /></template>
+						同步客户
+					</a-button>
 					<a-button type="primary" @click="handleAdd">
 						<template #icon><PlusOutlined /></template>
 						新增客户
@@ -323,13 +327,14 @@
 
 <script setup lang="ts">
 import { ref, reactive, onMounted, computed } from 'vue';
-import { message } from 'ant-design-vue';
+import { message, Modal } from 'ant-design-vue';
 import {
 	SearchOutlined,
 	ReloadOutlined,
 	PlusOutlined,
 	DeleteOutlined,
 	EditOutlined,
+	SyncOutlined,
 	TeamOutlined,
 	AimOutlined,
 	FileProtectOutlined,
@@ -352,6 +357,7 @@ const permissionStore = usePermissionStore();
 
 // ==================== 数据 ====================
 const loading = ref(false);
+const syncing = ref(false);
 const dataSource = ref<CustomerInfo[]>([]);
 const total = ref(0);
 const editNo = ref<string>('');
@@ -568,6 +574,38 @@ function getSalesmanName(id?: number) {
 	return found?.label ?? '-';
 }
 
+// ==================== ICC 手动同步 ====================
+function handleSync() {
+	Modal.confirm({
+		title: '同步客户',
+		content: '将从 ICC 平台拉取客户信息，并按 ICC 客户编号幂等新增/更新本地客户档案，是否继续？',
+		okText: '开始同步',
+		cancelText: '取消',
+		onOk: async () => {
+			syncing.value = true;
+			try {
+				const res: any = await customerApi.syncIccCustomers();
+				if (res.code === 200) {
+					const d = res.data || {};
+					const pulled = d.pulled ?? 0;
+					const inserted = d.inserted ?? 0;
+					const updated = d.updated ?? 0;
+					const skipped = d.skipped ?? 0;
+					message.success(`同步完成：拉取 ${pulled} 条，新增 ${inserted} 条，更新 ${updated} 条，跳过 ${skipped} 条`);
+					fetchList();
+					fetchStats();
+				} else {
+					message.error(res.message || '同步失败');
+				}
+			} catch (error) {
+				message.error('同步失败，请稍后重试');
+			} finally {
+				syncing.value = false;
+			}
+		},
+	});
+}
+
 // ==================== 搜索重置 ====================
 function handleSearch() {
 	searchForm.page = 1;