enhance(frontend): サーバーの初期設定ウィザードをやり直せるように

packages/frontend/src/components/MkServerSetupWizard.vue

@@ -196,12 +196,14 @@ const props = withDefaults(defineProps<{
 }>(), {
 });
 
-const q_name = ref('');
+const currentMeta = await misskeyApi('admin/meta');
+
+const q_name = ref(currentMeta.name ?? '');
 const q_use = ref('single');
 const q_scale = ref('small');
-const q_federation = ref('yes');
-const q_adminName = ref('');
-const q_adminEmail = ref('');
+const q_federation = ref(currentMeta.federation === 'none' ? 'no' : 'yes');
+const q_adminName = ref(currentMeta.maintainerName ?? '');
+const q_adminEmail = ref(currentMeta.maintainerEmail ?? '');
 
 const serverSettings = computed<Misskey.entities.AdminUpdateMetaRequest>(() => {
 	let enableReactionsBuffering;

packages/frontend/src/components/MkServerSetupWizardDialog.vue

@@ -0,0 +1,57 @@
+<!--
+SPDX-FileCopyrightText: syuilo and other misskey contributors
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<MkModalWindow
+	ref="windowEl"
+	:withOkButton="false"
+	:okButtonDisabled="false"
+	:width="500"
+	:height="600"
+	@close="onCloseModalWindow"
+	@closed="emit('closed')"
+>
+	<template #header>Server setup wizard</template>
+	<div class="_spacer" style="--MI_SPACER-min: 20px; --MI_SPACER-max: 28px;">
+		<Suspense>
+			<template #default>
+				<MkServerSetupWizard @finished="onWizardFinished"/>
+			</template>
+			<template #fallback>
+				<MkLoading/>
+			</template>
+		</Suspense>
+	</div>
+</MkModalWindow>
+</template>
+
+<script setup lang="ts">
+import { useTemplateRef } from 'vue';
+import MkModalWindow from '@/components/MkModalWindow.vue';
+import MkServerSetupWizard from '@/components/MkServerSetupWizard.vue';
+
+const emit = defineEmits<{
+	(ev: 'closed'),
+}>();
+
+const windowEl = useTemplateRef('windowEl');
+
+function onWizardFinished() {
+	windowEl.value?.close();
+}
+
+function onCloseModalWindow() {
+	windowEl.value?.close();
+}
+</script>
+
+<style module lang="scss">
+.root {
+	max-height: 410px;
+	height: 410px;
+	display: flex;
+	flex-direction: column;
+}
+</style>

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

@@ -287,6 +287,10 @@ SPDX-License-Identifier: AGPL-3.0-only
 					</MkTextarea>
 				</div>
 			</MkFolder>
+
+			<MkButton primary @click="openSetupWizard">
+				Open setup wizard
+			</MkButton>
 		</div>
 	</div>
 </PageWithHeader>
@@ -425,6 +429,20 @@ const proxyAccountForm = useForm({
 	fetchInstance(true);
 });
 
+async function openSetupWizard() {
+	const { canceled } = await os.confirm({
+		type: 'warning',
+		title: i18n.ts._serverSettings.restartServerSetupWizardConfirm_title,
+		text: i18n.ts._serverSettings.restartServerSetupWizardConfirm_text,
+	});
+	if (canceled) return;
+
+	const { dispose } = await os.popupAsyncWithDialog(import('@/components/MkServerSetupWizardDialog.vue').then(x => x.default), {
+	}, {
+		closed: () => dispose(),
+	});
+}
+
 const headerTabs = computed(() => []);
 
 definePage(() => ({

packages/frontend/src/pages/welcome.setup.vue

@@ -87,7 +87,14 @@ SPDX-License-Identifier: AGPL-3.0-only
 						<div>{{ i18n.ts._serverSetupWizard.settingsYouMakeHereCanBeChangedLater }}</div>
 					</div>
 
-					<MkServerSetupWizard :token="token" @finished="onWizardFinished"/>
+					<Suspense>
+						<template #default>
+							<MkServerSetupWizard :token="token" @finished="onWizardFinished"/>
+						</template>
+						<template #fallback>
+							<MkLoading/>
+						</template>
+					</Suspense>
 
 					<MkButton rounded style="margin: 0 auto;" @click="skipSettings">
 						{{ i18n.ts._serverSetupWizard.skipSettings }}