refactor(frontend): Reactivityで型を明示するように (#12791)

* refactor(frontend): Reactivityで型を明示するように

* fix: プロパティの参照が誤っているのを修正

* fix: 初期化の値を空配列に書き換えていた部分をnullに置き換え

packages/frontend/src/pages/admin/proxy-account.vue

@@ -22,6 +22,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <script lang="ts" setup>
 import { ref, computed } from 'vue';
+import * as Misskey from 'misskey-js';
 import MkKeyValue from '@/components/MkKeyValue.vue';
 import MkButton from '@/components/MkButton.vue';
 import MkInfo from '@/components/MkInfo.vue';
@@ -31,8 +32,8 @@ import { fetchInstance } from '@/instance.js';
 import { i18n } from '@/i18n.js';
 import { definePageMetadata } from '@/scripts/page-metadata.js';
 
-const proxyAccount = ref<any>(null);
-const proxyAccountId = ref<any>(null);
+const proxyAccount = ref<Misskey.entities.UserDetailed | null>(null);
+const proxyAccountId = ref<string | null>(null);
 
 async function init() {
 	const meta = await os.api('admin/meta');