refactor(web): alerts + deviceReadings API 迁移为对象风格导出

- alerts.ts: listAlerts → alertApi.list, acknowledgeAlert → alertApi.acknowledge 等
- deviceReadings.ts: batchCreateReadings → deviceReadingApi.batchCreate 等
- AlertList/AlertRuleList 引用处同步更新
- 其余 19 个函数式 API 文件记为待迁移（旧文件不强制迁移）

apps/web/src/pages/health/AlertList.tsx

@@ -14,9 +14,7 @@ import {
 import { CheckOutlined, StopOutlined } from '@ant-design/icons';
 import type { ColumnsType, TablePaginationConfig } from 'antd/es/table';
 import {
-  listAlerts,
-  acknowledgeAlert,
-  dismissAlert,
+  alertApi,
   type Alert,
 } from '../../api/health/alerts';
 import { AuthButton } from '../../components/AuthButton';
@@ -110,7 +108,7 @@ export default function AlertList() {
     refresh,
   } = usePaginatedData<Alert, AlertFilters>(
     async (p, pageSize, f) => {
-      const result = await listAlerts({
+      const result = await alertApi.list({
         page: p,
         page_size: pageSize,
         status: f.status || undefined,
@@ -146,7 +144,7 @@ export default function AlertList() {
   const handleAcknowledge = async (record: Alert) => {
     setActionLoading(record.id);
     try {
-      await acknowledgeAlert(record.id, record.version);
+      await alertApi.acknowledge(record.id, record.version);
       message.success('告警已确认');
       refresh();
     } catch {
@@ -159,7 +157,7 @@ export default function AlertList() {
   const handleDismiss = async (record: Alert) => {
     setActionLoading(record.id);
     try {
-      await dismissAlert(record.id, record.version);
+      await alertApi.dismiss(record.id, record.version);
       message.success('告警已忽略');
       refresh();
     } catch {

apps/web/src/pages/health/AlertRuleList.tsx

@@ -3,10 +3,7 @@ import { Button, Form, Input, InputNumber, message, Modal, Select, Space, Switch
 import type { ColumnsType } from 'antd/es/table';
 
 import {
-  createAlertRule,
-  deactivateAlertRule,
-  listAlertRules,
-  updateAlertRule,
+  alertRuleApi,
   type AlertRule,
   type CreateAlertRuleReq,
   type UpdateAlertRuleReq,
@@ -53,7 +50,7 @@ export default function AlertRuleList() {
   const fetchRules = useCallback(async () => {
     setLoading(true);
     try {
-      const res = await listAlertRules({ page, page_size: 20 });
+      const res = await alertRuleApi.list({ page, page_size: 20 });
       setData(res.data);
       setTotal(res.total);
     } catch {
@@ -105,7 +102,7 @@ export default function AlertRuleList() {
           cooldown_minutes: values.cooldown_minutes,
           version: editingRule.version,
         };
-        await updateAlertRule(editingRule.id, req);
+        await alertRuleApi.update(editingRule.id, req);
         message.success('规则已更新');
       } else {
         const req: CreateAlertRuleReq = {
@@ -117,7 +114,7 @@ export default function AlertRuleList() {
           severity: values.severity,
           cooldown_minutes: values.cooldown_minutes,
         };
-        await createAlertRule(req);
+        await alertRuleApi.create(req);
         message.success('规则已创建');
       }
       setModalOpen(false);
@@ -132,7 +129,7 @@ export default function AlertRuleList() {
   const handleToggle = async (rule: AlertRule, active: boolean) => {
     try {
       if (!active) {
-        await deactivateAlertRule(rule.id, rule.version);
+        await alertRuleApi.deactivate(rule.id, rule.version);
         message.success('规则已禁用');
       }
       fetchRules();