refactor(frontend): 非推奨となったReactivity Transformを使わないように (#12539)

* refactor(frontend): 非推奨となったReactivity Transformを使わないように

* refactor: 不要な括弧を除去

* fix: 不要なアノテーションを除去

* fix: Refの配列をrefしている部分の対応

* refactor: 不要な括弧を除去

* fix: lint

* refactor: Ref、ShallowRef、ComputedRefの変数の宣言をletからconstに置換

* fix: type error

* chore: drop reactivity transform from eslint configuration

* refactor: remove unnecessary import

* fix: 対応漏れ

packages/frontend/src/pages/admin/relays.vue

@@ -24,14 +24,14 @@ SPDX-License-Identifier: AGPL-3.0-only
 </template>
 
 <script lang="ts" setup>
-import { } from 'vue';
+import { ref, computed } from 'vue';
 import XHeader from './_header_.vue';
 import MkButton from '@/components/MkButton.vue';
 import * as os from '@/os.js';
 import { i18n } from '@/i18n.js';
 import { definePageMetadata } from '@/scripts/page-metadata.js';
 
-let relays: any[] = $ref([]);
+const relays = ref<any[]>([]);
 
 async function addRelay() {
 	const { canceled, result: inbox } = await os.inputText({
@@ -67,20 +67,20 @@ function remove(inbox: string) {
 
 function refresh() {
 	os.api('admin/relays/list').then((relayList: any) => {
-		relays = relayList;
+		relays.value = relayList;
 	});
 }
 
 refresh();
 
-const headerActions = $computed(() => [{
+const headerActions = computed(() => [{
 	asFullButton: true,
 	icon: 'ti ti-plus',
 	text: i18n.ts.addRelay,
 	handler: addRelay,
 }]);
 
-const headerTabs = $computed(() => []);
+const headerTabs = computed(() => []);
 
 definePageMetadata({
 	title: i18n.ts.relays,