fix(admin): 迁移 antd v6 弃用 API 并清理控制台警告

- Card bordered -> variant；Modal maskClosable -> mask.closable
- InputNumber addonBefore/After -> prefix/suffix；Statistic valueStyle -> styles.content
- Alert message -> title；Steps items.description -> items.content
- 移除考勤页未挂载 Form 上的 setFieldsValue，消除 useForm 警告

apps/admin/src/components/AiChat/DynamicForm.tsx

@@ -98,7 +98,7 @@ const FormPreview: React.FC<FormPreviewProps> = ({ form, disabled, onAction }) =
         </Typography.Text>
       )}
       {finished ? (
-        <Alert type="success" showIcon message="已提交，AI 正在处理…" />
+        <Alert type="success" showIcon title="已提交，AI 正在处理…" />
       ) : (
         <Form
           layout="vertical"

apps/admin/src/components/AiChat/DynamicReview.tsx

@@ -341,7 +341,7 @@ const ReviewPreview: React.FC<ReviewPreviewProps> = ({ review, disabled, onActio
                 />
               )}
               {activeStatus === 'failed' && (
-                <Alert type="error" showIcon message="本步导入失败，可重试" />
+                <Alert type="error" showIcon title="本步导入失败，可重试" />
               )}
               {activeSection.resultSummary && activeStatus === 'submitted' && (
                 <Typography.Text type="secondary" className="ai-chat-review-card__step-result">
@@ -377,7 +377,7 @@ const ReviewPreview: React.FC<ReviewPreviewProps> = ({ review, disabled, onActio
           </Popconfirm>
         )}
       </Flex>
-      {submitted && <Alert type="success" showIcon message="已确认导入，数据已入库" />}
+      {submitted && <Alert type="success" showIcon title="已确认导入，数据已入库" />}
       {review.error && (
         <Alert
           type="error"

apps/admin/src/components/ImportWizard/ImportWizardModal.tsx

@@ -456,7 +456,7 @@ export const ImportWizardModal: React.FC<ImportWizardModalProps> = ({
             </Flex>
           ) : allCommitted ? (
             <Space orientation="vertical" size={12} style={{ width: '100%' }}>
-              <Alert type="success" showIcon message="全部阶段已提交完成" />
+              <Alert type="success" showIcon title="全部阶段已提交完成" />
               <Descriptions
                 bordered
                 size="small"
@@ -607,7 +607,7 @@ export const ImportWizardModal: React.FC<ImportWizardModalProps> = ({
               )}
             </Space>
           ) : (
-            <Alert type="warning" showIcon message="当前没有可处理的阶段" />
+            <Alert type="warning" showIcon title="当前没有可处理的阶段" />
           )}
         </Space>
       )}

apps/admin/src/components/JinshujuMatchModal.tsx

@@ -329,7 +329,7 @@ const JinshujuMatchModal: React.FC<MatchModalProps> = ({ open, onClose, onApplie
       open={open && canEnterModal}
       onCancel={handleClose}
       width={step === 'match' || step === 'applying' ? 900 : 640}
-      maskClosable={false}
+      mask={{ closable: false }}
       footer={
         step === 'connection'
           ? [

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

@@ -48,10 +48,10 @@ const DEFAULT_FORM_VALUES: FormValues = {
 };
 
 const STEP_ITEMS = [
-  { title: '服务商', description: '选择 AI 服务商' },
+  { title: '服务商', content: '选择 AI 服务商' },
-  { title: '密钥', description: '配置 API 密钥' },
+  { title: '密钥', content: '配置 API 密钥' },
-  { title: '模型', description: '获取并选择模型' },
+  { title: '模型', content: '获取并选择模型' },
-  { title: '完成', description: '保存并测试连接' },
+  { title: '完成', content: '保存并测试连接' },
 ];
 
 const AiConfigPage: React.FC = () => {

apps/admin/src/pages/Attendance/AttendanceAdminWorkspace.tsx

@@ -134,7 +134,7 @@ export const AttendanceAdminWorkspace: React.FC<{
         </Spin>
       </section>
 
-      <Card className="student-record-card" bordered={false} title="原始考勤明细">
+      <Card className="student-record-card" variant="borderless" title="原始考勤明细">
         <Table<AttendanceRecordItem>
           rowKey="id"
           columns={columns}

apps/admin/src/pages/Attendance/admin.tsx

@@ -1,4 +1,4 @@
-import React, { useCallback, useEffect, useMemo, useState } from 'react';
+import React, { useCallback, useMemo, useState } from 'react';
 import { useQuery, useQueryClient } from '@tanstack/react-query';
 import { useApiMutation } from '../../hooks/useApiMutation';
 import { validateResponse } from '../../utils/validate';
@@ -134,10 +134,6 @@ export const AdminAttendanceArchive: React.FC<{ canEdit: boolean }> = ({ canEdit
       ? scheduleId
       : undefined;
 
-  useEffect(() => {
-    periodForm.setFieldsValue({ periods });
-  }, [periods, periodForm]);
-
   const enabledPeriods = useMemo(
     () => periods.filter((period) => period.enabled).sort((a, b) => a.sortOrder - b.sortOrder),
     [periods],

apps/admin/src/pages/Classes/ClassDetailTabs.tsx

@@ -531,22 +531,22 @@ export const ClassAttendanceTab: React.FC<{
       {attendanceSummary && (
         <Row gutter={[16, 16]}>
           <Col xs={12} md={6}>
-            <Card bordered={false}>
+            <Card variant="borderless">
               <Statistic title="总记录" value={attendanceSummary.total} />
             </Card>
           </Col>
           <Col xs={12} md={6}>
-            <Card bordered={false}>
+            <Card variant="borderless">
               <Statistic title="出勤率" value={attendanceSummary.presentRate} suffix="%" />
             </Card>
           </Col>
           <Col xs={12} md={6}>
-            <Card bordered={false}>
+            <Card variant="borderless">
               <Statistic title="缺勤率" value={attendanceSummary.absentRate} suffix="%" />
             </Card>
           </Col>
           <Col xs={12} md={6}>
-            <Card bordered={false}>
+            <Card variant="borderless">
               <Statistic title="迟到率" value={attendanceSummary.lateRate} suffix="%" />
             </Card>
           </Col>

apps/admin/src/pages/Exams/detail.tsx

@@ -163,7 +163,7 @@ const ExamDetailPage: React.FC = () => {
         </Space>
       </div>
       {detail.status === 'archived' ? (
-        <Alert type="info" showIcon message="该考试已归档，成绩仅供查看。如需继续录入，请先在考试列表中恢复。" />
+        <Alert type="info" showIcon title="该考试已归档，成绩仅供查看。如需继续录入，请先在考试列表中恢复。" />
       ) : null}
       <Card className="exam-summary">
         <Descriptions column={{ xs: 1, sm: 2, lg: 5 }}>

apps/admin/src/pages/Occupancies/OccupancyModals.tsx

@@ -212,7 +212,7 @@ export const CheckInModal: React.FC<{
                 label="押金金额"
                 rules={[{ required: true, message: '请输入押金金额' }]}
               >
-                <InputNumber min={0.01} precision={2} addonAfter="元" style={{ width: '100%' }} />
+                <InputNumber min={0.01} precision={2} suffix="元" style={{ width: '100%' }} />
               </Form.Item>
             ) : null
           }

apps/admin/src/pages/Schedules/ScheduleModals.tsx

@@ -176,7 +176,7 @@ export const ScheduleModal: React.FC<ScheduleModalProps> = ({
               min={0}
               max={1440}
               step={5}
-              addonAfter="分钟"
+              suffix="分钟"
               style={{ width: '100%' }}
               placeholder="例如 30"
             />
@@ -422,7 +422,7 @@ export const SyncModal: React.FC<SyncModalProps> = ({
                 title="排班数"
                 value={syncResult.syncedItems}
                 suffix="条"
-                valueStyle={{ color: '#3f8600' }}
+                styles={{ content: { color: '#3f8600' } }}
               />
             </Col>
           </Row>
@@ -480,9 +480,11 @@ export const SyncModal: React.FC<SyncModalProps> = ({
                 title="已就绪班级"
                 value={syncStatus.mappedClasses}
                 suffix={`/ ${syncStatus.totalClasses}`}
-                valueStyle={{
+                styles={{
-                  color:
+                  content: {
-                    syncStatus.mappedClasses < syncStatus.totalClasses ? '#faad14' : '#3f8600',
+                    color:
+                      syncStatus.mappedClasses < syncStatus.totalClasses ? '#faad14' : '#3f8600',
+                  },
                 }}
               />
             </Col>

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

@@ -348,7 +348,7 @@ const WalletsPage: React.FC = () => {
             extra="充值填正数；调减余额时填写负数。充值后会按最早账单优先自动补扣。"
             rules={[{ required: true, message: '请输入金额' }]}
           >
-            <InputNumber precision={2} style={{ width: '100%' }} addonBefore="¥" />
+            <InputNumber precision={2} style={{ width: '100%' }} prefix="¥" />
           </Form.Item>
 
           <Form.Item name="description" label="备注">
@@ -384,7 +384,7 @@ const WalletsPage: React.FC = () => {
             extra="充值填正数；调减余额时填写负数。充值后会按最早账单优先自动补扣。"
             rules={[{ required: true, message: '请输入金额' }]}
           >
-            <InputNumber precision={2} style={{ width: '100%' }} addonBefore="¥" />
+            <InputNumber precision={2} style={{ width: '100%' }} prefix="¥" />
           </Form.Item>
 
           <Form.Item name="description" label="备注">