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'
           ? [