Feat: サーバー初期設定ウィザード (#15954)

* wip

* wip

* Update welcome.setup.vue

* wip

* wip

* wip

* wip

* Update MkServerSetupWizard.vue

* Update MkServerSetupWizard.vue

* wip

* wip

* wip

* Update types.ts

* wip

* wip

* Update CHANGELOG.md

10 files changed, 573 insertions, 49 deletions

diff --git a/packages/backend/migration/1746422049376-singleUserMode.js b/packages/backend/migration/1746422049376-singleUserMode.js
new file mode 100644
index 0000000000..9a79d46d5b
--- /dev/null
+++ b/packages/backend/migration/1746422049376-singleUserMode.js
@@ -0,0 +1,16 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+export class SingleUserMode1746422049376 {
+    name = 'SingleUserMode1746422049376'
+
+    async up(queryRunner) {
+			await queryRunner.query(`ALTER TABLE "meta" ADD "singleUserMode" boolean NOT NULL DEFAULT false`);
+    }
+
+    async down(queryRunner) {
+        await queryRunner.query(`ALTER TABLE "meta" DROP COLUMN "singleUserMode"`);
+    }
+}
diff --git a/packages/backend/src/models/Meta.ts b/packages/backend/src/models/Meta.ts
index 95d19c8075..e3625b247c 100644
--- a/packages/backend/src/models/Meta.ts
+++ b/packages/backend/src/models/Meta.ts
@@ -675,6 +675,11 @@ export class MiMeta {
 		default: [],
 	})
 	public deliverSuspendedSoftware: SoftwareSuspension[];
+
+	@Column('boolean', {
+		default: false,
+	})
+	public singleUserMode: boolean;
 }
 
 export type SoftwareSuspension = {
diff --git a/packages/backend/src/server/api/endpoints/admin/meta.ts b/packages/backend/src/server/api/endpoints/admin/meta.ts
index cb48a1bc95..cd36985485 100644
--- a/packages/backend/src/server/api/endpoints/admin/meta.ts
+++ b/packages/backend/src/server/api/endpoints/admin/meta.ts
@@ -546,6 +546,10 @@ export const meta = {
 					},
 				},
 			},
+			singleUserMode: {
+				type: 'boolean',
+				optional: false, nullable: false,
+			},
 			ugcVisibilityForVisitor: {
 				type: 'string',
 				enum: ['all', 'local', 'none'],
@@ -696,6 +700,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				federation: instance.federation,
 				federationHosts: instance.federationHosts,
 				deliverSuspendedSoftware: instance.deliverSuspendedSoftware,
+				singleUserMode: instance.singleUserMode,
 				ugcVisibilityForVisitor: instance.ugcVisibilityForVisitor,
 			};
 		});
diff --git a/packages/backend/src/server/api/endpoints/admin/update-meta.ts b/packages/backend/src/server/api/endpoints/admin/update-meta.ts
index fc6b890b69..a96fbd759c 100644
--- a/packages/backend/src/server/api/endpoints/admin/update-meta.ts
+++ b/packages/backend/src/server/api/endpoints/admin/update-meta.ts
@@ -196,6 +196,7 @@ export const paramDef = {
 				required: ['software', 'versionRange'],
 			},
 		},
+		singleUserMode: { type: 'boolean' },
 		ugcVisibilityForVisitor: {
 			type: 'string',
 			enum: ['all', 'local', 'none'],
@@ -694,6 +695,10 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				set.federationHosts = ps.federationHosts.filter(Boolean).map(x => x.toLowerCase());
 			}
 
+			if (ps.singleUserMode !== undefined) {
+				set.singleUserMode = ps.singleUserMode;
+			}
+
 			if (ps.ugcVisibilityForVisitor !== undefined) {
 				set.ugcVisibilityForVisitor = ps.ugcVisibilityForVisitor;
 			}
diff --git a/packages/frontend/src/components/MkRadio.vue b/packages/frontend/src/components/MkRadio.vue
index f16c8f6c2a..a7d77dd118 100644
--- a/packages/frontend/src/components/MkRadio.vue
+++ b/packages/frontend/src/components/MkRadio.vue
@@ -48,7 +48,8 @@ function toggle(): void {
 <style lang="scss" module>
 .root {
 	position: relative;
-	display: inline-block;
+	display: inline-flex;
+	align-items: center;
 	text-align: left;
 	cursor: pointer;
 	padding: 7px 10px;
@@ -102,7 +103,8 @@ function toggle(): void {
 }
 
 .button {
-	position: absolute;
+	position: relative;
+	display: inline-block;
 	width: 14px;
 	height: 14px;
 	background: none;
@@ -126,7 +128,7 @@ function toggle(): void {
 }
 
 .label {
-	margin-left: 28px;
+	margin-left: 8px;
 	display: block;
 	line-height: 20px;
 	cursor: pointer;
diff --git a/packages/frontend/src/components/MkRadios.vue b/packages/frontend/src/components/MkRadios.vue
index 884890bf70..8b641d0f93 100644
--- a/packages/frontend/src/components/MkRadios.vue
+++ b/packages/frontend/src/components/MkRadios.vue
@@ -5,14 +5,18 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <script lang="ts">
 import { defineComponent, h, ref, watch } from 'vue';
-import type { VNode } from 'vue';
 import MkRadio from './MkRadio.vue';
+import type { VNode } from 'vue';
 
 export default defineComponent({
 	props: {
 		modelValue: {
 			required: false,
 		},
+		vertical: {
+			type: Boolean,
+			default: false,
+		},
 	},
 	setup(props, context) {
 		const value = ref(props.modelValue);
@@ -34,7 +38,10 @@ export default defineComponent({
 		options = options.filter(vnode => !(typeof vnode.type === 'symbol' && vnode.type.description === 'v-cmt' && vnode.children === 'v-if'));
 
 		return () => h('div', {
-			class: 'novjtcto',
+			class: [
+				'novjtcto',
+				...(props.vertical ? ['vertical'] : []),
+			],
 		}, [
 			...(label ? [h('div', {
 				class: 'label',
@@ -71,7 +78,7 @@ export default defineComponent({
 
 	> .body {
 		display: flex;
-    gap: 12px;
+    gap: 10px;
     flex-wrap: wrap;
 	}
 
@@ -84,5 +91,11 @@ export default defineComponent({
 			display: none;
 		}
 	}
+
+	&.vertical {
+		> .body {
+			flex-direction: column;
+		}
+	}
 }
 </style>
diff --git a/packages/frontend/src/components/MkServerSetupWizard.vue b/packages/frontend/src/components/MkServerSetupWizard.vue
new file mode 100644
index 0000000000..65e0d6d9de
--- /dev/null
+++ b/packages/frontend/src/components/MkServerSetupWizard.vue
@@ -0,0 +1,356 @@
+<!--
+SPDX-FileCopyrightText: syuilo and misskey-project
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<div :class="$style.root" class="_gaps_m">
+	<MkInput v-model="q_name" data-cy-server-name>
+		<template #label>{{ i18n.ts.instanceName }}</template>
+	</MkInput>
+
+	<MkFolder :defaultOpen="true">
+		<template #label>{{ i18n.ts._serverSetupWizard.howWillYouUseMisskey }}</template>
+		<template #icon><i class="ti ti-settings-question"></i></template>
+
+		<div class="_gaps_s">
+			<MkRadios v-model="q_use" :vertical="true">
+				<option value="single">
+					<div><i class="ti ti-user"></i> <b>{{ i18n.ts._serverSetupWizard._use.single }}</b></div>
+					<div>{{ i18n.ts._serverSetupWizard._use.single_description }}</div>
+				</option>
+				<option value="group">
+					<div><i class="ti ti-lock"></i> <b>{{ i18n.ts._serverSetupWizard._use.group }}</b></div>
+					<div>{{ i18n.ts._serverSetupWizard._use.group_description }}</div>
+				</option>
+				<option value="open">
+					<div><i class="ti ti-world"></i> <b>{{ i18n.ts._serverSetupWizard._use.open }}</b></div>
+					<div>{{ i18n.ts._serverSetupWizard._use.open_description }}</div>
+				</option>
+			</MkRadios>
+
+			<MkInfo v-if="q_use === 'single'">{{ i18n.ts._serverSetupWizard._use.single_youCanCreateMultipleAccounts }}</MkInfo>
+			<MkInfo v-if="q_use === 'open'" warn><b>{{ i18n.ts.advice }}:</b> {{ i18n.ts._serverSetupWizard.openServerAdvice }}</MkInfo>
+			<MkInfo v-if="q_use === 'open'" warn><b>{{ i18n.ts.advice }}:</b> {{ i18n.ts._serverSetupWizard.openServerAntiSpamAdvice }}</MkInfo>
+		</div>
+	</MkFolder>
+
+	<MkFolder v-if="q_use !== 'single'" :defaultOpen="true">
+		<template #label>{{ i18n.ts._serverSetupWizard.howManyUsersDoYouExpect }}</template>
+		<template #icon><i class="ti ti-users"></i></template>
+
+		<div class="_gaps_s">
+			<MkRadios v-model="q_scale" :vertical="true">
+				<option value="small"><i class="ti ti-user"></i> {{ i18n.ts._serverSetupWizard._scale.small }}</option>
+				<option value="medium"><i class="ti ti-users"></i> {{ i18n.ts._serverSetupWizard._scale.medium }}</option>
+				<option value="large"><i class="ti ti-users-group"></i> {{ i18n.ts._serverSetupWizard._scale.large }}</option>
+			</MkRadios>
+
+			<MkInfo v-if="q_scale === 'large'"><b>{{ i18n.ts.advice }}:</b> {{ i18n.ts._serverSetupWizard.largeScaleServerAdvice }}</MkInfo>
+		</div>
+	</MkFolder>
+
+	<MkFolder :defaultOpen="true">
+		<template #label>{{ i18n.ts._serverSetupWizard.doYouConnectToFediverse }}</template>
+		<template #icon><i class="ti ti-planet"></i></template>
+
+		<div class="_gaps_s">
+			<div>{{ i18n.ts._serverSetupWizard.doYouConnectToFediverse_description1 }}<br>{{ i18n.ts._serverSetupWizard.doYouConnectToFediverse_description2 }}</div>
+
+			<MkRadios v-model="q_federation" :vertical="true">
+				<option value="yes">{{ i18n.ts.yes }}</option>
+				<option value="no">{{ i18n.ts.no }}</option>
+			</MkRadios>
+
+			<MkInfo v-if="q_federation === 'yes'">{{ i18n.ts._serverSetupWizard.youCanConfigureMoreFederationSettingsLater }}</MkInfo>
+		</div>
+	</MkFolder>
+
+	<MkFolder v-if="q_use === 'open' || q_federation === 'yes'" :defaultOpen="true">
+		<template #label>{{ i18n.ts._serverSetupWizard.adminInfo }}</template>
+		<template #icon><i class="ti ti-mail"></i></template>
+
+		<div class="_gaps_s">
+			<div>{{ i18n.ts._serverSetupWizard.adminInfo_description }}</div>
+
+			<MkInfo warn>{{ i18n.ts._serverSetupWizard.adminInfo_mustBeFilled }}</MkInfo>
+
+			<MkInput v-model="q_adminName">
+				<template #label>{{ i18n.ts.maintainerName }}</template>
+			</MkInput>
+
+			<MkInput v-model="q_adminEmail" type="email">
+				<template #label>{{ i18n.ts.maintainerEmail }}</template>
+			</MkInput>
+		</div>
+	</MkFolder>
+
+	<MkFolder :defaultOpen="true" :maxHeight="300">
+		<template #label>{{ i18n.ts._serverSetupWizard.followingSettingsAreRecommended }}</template>
+		<template #icon><i class="ti ti-adjustments-alt"></i></template>
+
+		<div class="_gaps_s">
+			<div>
+				<div><b>{{ i18n.ts._serverSettings.singleUserMode }}:</b></div>
+				<div>{{ serverSettings.singleUserMode ? i18n.ts.yes : i18n.ts.no }}</div>
+			</div>
+			<div>
+				<div><b>{{ i18n.ts._serverSettings.openRegistration }}:</b></div>
+				<div>{{ !serverSettings.disableRegistration ? i18n.ts.yes : i18n.ts.no }}</div>
+			</div>
+			<div>
+				<div><b>{{ i18n.ts.emailRequiredForSignup }}:</b></div>
+				<div>{{ serverSettings.emailRequiredForSignup ? i18n.ts.yes : i18n.ts.no }}</div>
+			</div>
+			<div>
+				<div><b>Log IP:</b></div>
+				<div>{{ serverSettings.enableIpLogging ? i18n.ts.yes : i18n.ts.no }}</div>
+			</div>
+			<div>
+				<div><b>{{ i18n.ts.federation }}:</b></div>
+				<div>{{ serverSettings.federation === 'none' ? i18n.ts.no : i18n.ts.all }}</div>
+			</div>
+			<div>
+				<div><b>FTT:</b></div>
+				<div>{{ serverSettings.enableFanoutTimeline ? i18n.ts.yes : i18n.ts.no }}</div>
+			</div>
+			<div>
+				<div><b>FTT/{{ i18n.ts._serverSettings.fanoutTimelineDbFallback }}:</b></div>
+				<div>{{ serverSettings.enableFanoutTimelineDbFallback ? i18n.ts.yes : i18n.ts.no }}</div>
+			</div>
+			<div>
+				<div><b>RBT:</b></div>
+				<div>{{ serverSettings.enableReactionsBuffering ? i18n.ts.yes : i18n.ts.no }}</div>
+			</div>
+
+			<div>
+				<div><b>{{ i18n.ts._role.baseRole }}/{{ i18n.ts._role._options.rateLimitFactor }}:</b></div>
+				<div>{{ defaultPolicies.rateLimitFactor }}</div>
+			</div>
+			<div>
+				<div><b>{{ i18n.ts._role.baseRole }}/{{ i18n.ts._role._options.driveCapacity }}:</b></div>
+				<div>{{ defaultPolicies.driveCapacityMb }} MB</div>
+			</div>
+			<div>
+				<div><b>{{ i18n.ts._role.baseRole }}/{{ i18n.ts._role._options.userListMax }}:</b></div>
+				<div>{{ defaultPolicies.userListLimit }}</div>
+			</div>
+			<div>
+				<div><b>{{ i18n.ts._role.baseRole }}/{{ i18n.ts._role._options.antennaMax }}:</b></div>
+				<div>{{ defaultPolicies.antennaLimit }}</div>
+			</div>
+			<div>
+				<div><b>{{ i18n.ts._role.baseRole }}/{{ i18n.ts._role._options.webhookMax }}:</b></div>
+				<div>{{ defaultPolicies.webhookLimit }}</div>
+			</div>
+			<div>
+				<div><b>{{ i18n.ts._role.baseRole }}/{{ i18n.ts._role._options.canImportFollowing }}:</b></div>
+				<div>{{ defaultPolicies.canImportFollowing ? i18n.ts.yes : i18n.ts.no }}</div>
+			</div>
+			<div>
+				<div><b>{{ i18n.ts._role.baseRole }}/{{ i18n.ts._role._options.canImportMuting }}:</b></div>
+				<div>{{ defaultPolicies.canImportMuting ? i18n.ts.yes : i18n.ts.no }}</div>
+			</div>
+			<div>
+				<div><b>{{ i18n.ts._role.baseRole }}/{{ i18n.ts._role._options.canImportBlocking }}:</b></div>
+				<div>{{ defaultPolicies.canImportBlocking ? i18n.ts.yes : i18n.ts.no }}</div>
+			</div>
+			<div>
+				<div><b>{{ i18n.ts._role.baseRole }}/{{ i18n.ts._role._options.canImportUserLists }}:</b></div>
+				<div>{{ defaultPolicies.canImportUserLists ? i18n.ts.yes : i18n.ts.no }}</div>
+			</div>
+			<div>
+				<div><b>{{ i18n.ts._role.baseRole }}/{{ i18n.ts._role._options.canImportAntennas }}:</b></div>
+				<div>{{ defaultPolicies.canImportAntennas ? i18n.ts.yes : i18n.ts.no }}</div>
+			</div>
+		</div>
+
+		<template #footer>
+			<MkButton gradate large rounded data-cy-server-setup-wizard-apply style="margin: 0 auto;" @click="applySettings">
+				<i class="ti ti-check"></i> {{ i18n.ts._serverSetupWizard.applyTheseSettings }}
+			</MkButton>
+		</template>
+	</MkFolder>
+</div>
+</template>
+
+<script setup lang="ts">
+import { computed, ref } from 'vue';
+import * as Misskey from 'misskey-js';
+import { ROLE_POLICIES } from '@@/js/const.js';
+import MkButton from '@/components/MkButton.vue';
+import MkInput from '@/components/MkInput.vue';
+import * as os from '@/os.js';
+import { misskeyApi } from '@/utility/misskey-api.js';
+import { i18n } from '@/i18n.js';
+import MkFolder from '@/components/MkFolder.vue';
+import MkRadios from '@/components/MkRadios.vue';
+import MkInfo from '@/components/MkInfo.vue';
+
+const emit = defineEmits<{
+	(ev: 'finished'): void;
+}>();
+
+const props = withDefaults(defineProps<{
+	token?: string;
+}>(), {
+});
+
+const q_name = ref('');
+const q_use = ref('single');
+const q_scale = ref('small');
+const q_federation = ref('yes');
+const q_adminName = ref('');
+const q_adminEmail = ref('');
+
+const serverSettings = computed<Misskey.entities.AdminUpdateMetaRequest>(() => {
+	let enableReactionsBuffering;
+	if (q_use.value === 'single') {
+		enableReactionsBuffering = false;
+	} else {
+		enableReactionsBuffering = q_scale.value !== 'small';
+	}
+
+	return {
+		singleUserMode: q_use.value === 'single',
+		disableRegistration: q_use.value !== 'open',
+		emailRequiredForSignup: q_use.value === 'open',
+		enableIpLogging: q_use.value === 'open',
+		federation: q_federation.value === 'yes' ? 'all' : 'none',
+		enableFanoutTimeline: true,
+		enableFanoutTimelineDbFallback: q_use.value === 'single',
+		enableReactionsBuffering,
+	};
+});
+
+const defaultPolicies = computed<Partial<Record<typeof ROLE_POLICIES[number], any>>>(() => {
+	let driveCapacityMb;
+	if (q_use.value === 'single') {
+		driveCapacityMb = 8192;
+	} else if (q_use.value === 'group') {
+		driveCapacityMb = 1000;
+	} else if (q_use.value === 'open') {
+		driveCapacityMb = 100;
+	}
+
+	let rateLimitFactor;
+	if (q_use.value === 'single') {
+		rateLimitFactor = 0.3;
+	} else if (q_use.value === 'group') {
+		rateLimitFactor = 0.7;
+	} else if (q_use.value === 'open') {
+		if (q_scale.value === 'small') {
+			rateLimitFactor = 1;
+		} else if (q_scale.value === 'medium') {
+			rateLimitFactor = 1.25;
+		} else if (q_scale.value === 'large') {
+			rateLimitFactor = 1.5;
+		}
+	}
+
+	let userListLimit;
+	if (q_use.value === 'single') {
+		userListLimit = 100;
+	} else if (q_use.value === 'group') {
+		userListLimit = 5;
+	} else if (q_use.value === 'open') {
+		userListLimit = 3;
+	}
+
+	let antennaLimit;
+	if (q_use.value === 'single') {
+		antennaLimit = 100;
+	} else if (q_use.value === 'group') {
+		antennaLimit = 5;
+	} else if (q_use.value === 'open') {
+		antennaLimit = 0;
+	}
+
+	let webhookLimit;
+	if (q_use.value === 'single') {
+		webhookLimit = 100;
+	} else if (q_use.value === 'group') {
+		webhookLimit = 0;
+	} else if (q_use.value === 'open') {
+		webhookLimit = 0;
+	}
+
+	let canImportFollowing;
+	if (q_use.value === 'single') {
+		canImportFollowing = true;
+	} else {
+		canImportFollowing = false;
+	}
+
+	let canImportMuting;
+	if (q_use.value === 'single') {
+		canImportMuting = true;
+	} else {
+		canImportMuting = false;
+	}
+
+	let canImportBlocking;
+	if (q_use.value === 'single') {
+		canImportBlocking = true;
+	} else {
+		canImportBlocking = false;
+	}
+
+	let canImportUserLists;
+	if (q_use.value === 'single') {
+		canImportUserLists = true;
+	} else {
+		canImportUserLists = false;
+	}
+
+	let canImportAntennas;
+	if (q_use.value === 'single') {
+		canImportAntennas = true;
+	} else {
+		canImportAntennas = false;
+	}
+
+	return {
+		rateLimitFactor,
+		driveCapacityMb,
+		userListLimit,
+		antennaLimit,
+		webhookLimit,
+		canImportFollowing,
+		canImportMuting,
+		canImportBlocking,
+		canImportUserLists,
+		canImportAntennas,
+	};
+});
+
+function applySettings() {
+	const _close = os.waiting();
+	Promise.all([
+		misskeyApi('admin/update-meta', {
+			...serverSettings.value,
+			name: q_name.value === '' ? undefined : q_name.value,
+			maintainerName: q_adminName.value === '' ? undefined : q_adminName.value,
+			maintainerEmail: q_adminEmail.value === '' ? undefined : q_adminEmail.value,
+		}, props.token),
+		misskeyApi('admin/roles/update-default-policies', {
+			policies: defaultPolicies.value,
+		}, props.token),
+	]).then(() => {
+		emit('finished');
+	}).catch((err) => {
+		os.alert({
+			type: 'error',
+			title: err.code,
+			text: err.message,
+		});
+	}).finally(() => {
+		_close();
+	});
+}
+</script>
+
+<style lang="scss" module>
+.root {
+}
+</style>
diff --git a/packages/frontend/src/os.ts b/packages/frontend/src/os.ts
index 813b49635d..d891525782 100644
--- a/packages/frontend/src/os.ts
+++ b/packages/frontend/src/os.ts
@@ -547,18 +547,24 @@ export function success(): Promise<void> {
 	});
 }
 
-export function waiting(text?: string | null): Promise<void> {
-	return new Promise(resolve => {
-		const showing = ref(true);
-		const { dispose } = popup(MkWaitingDialog, {
-			success: false,
-			showing: showing,
-			text,
-		}, {
-			done: () => resolve(),
-			closed: () => dispose(),
-		});
+export function waiting(text?: string | null): () => void {
+	window.document.body.setAttribute('inert', 'true');
+
+	const showing = ref(true);
+	const { dispose } = popup(MkWaitingDialog, {
+		success: false,
+		showing: showing,
+		text,
+	}, {
+		closed: () => {
+			window.document.body.removeAttribute('inert');
+			dispose();
+		},
 	});
+
+	return () => {
+		showing.value = false;
+	};
 }
 
 export function form<F extends Form>(title: string, f: F): Promise<{ canceled: true, result?: undefined } | { canceled?: false, result: GetFormResultType<F> }> {
diff --git a/packages/frontend/src/pages/welcome.setup.vue b/packages/frontend/src/pages/welcome.setup.vue
index 69a654595a..675e82a71d 100644
--- a/packages/frontend/src/pages/welcome.setup.vue
+++ b/packages/frontend/src/pages/welcome.setup.vue
@@ -6,39 +6,126 @@ SPDX-License-Identifier: AGPL-3.0-only
 <template>
 <PageWithAnimBg>
 	<div :class="$style.formContainer">
-		<form :class="$style.form" class="_panel" @submit.prevent="submit()">
+		<div :class="$style.form" class="_panel">
+			<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" style="z-index:1;position:relative" viewBox="0 0 854 300">
+				<defs>
+					<linearGradient id="linear" x1="0%" y1="0%" x2="100%" y2="0%">
+						<stop offset="0%" stop-color="#86b300"/><stop offset="100%" stop-color="#4ab300"/>
+					</linearGradient>
+				</defs>
+
+				<g transform="translate(427, 150) scale(1, 1) translate(-427, -150)">
+					<path d="" fill="url(#linear)" opacity="0.4">
+						<animate
+							attributeName="d"
+							dur="20s"
+							repeatCount="indefinite"
+							keyTimes="0;0.333;0.667;1"
+							calcmod="spline"
+							keySplines="0.2 0 0.2 1;0.2 0 0.2 1;0.2 0 0.2 1"
+							begin="0s"
+							values="M0 0L 0 220Q 213.5 260 427 230T 854 255L 854 0 Z;M0 0L 0 245Q 213.5 260 427 240T 854 230L 854 0 Z;M0 0L 0 265Q 213.5 235 427 265T 854 230L 854 0 Z;M0 0L 0 220Q 213.5 260 427 230T 854 255L 854 0 Z"
+						>
+						</animate>
+					</path>
+					<path d="" fill="url(#linear)" opacity="0.4">
+						<animate
+							attributeName="d"
+							dur="20s"
+							repeatCount="indefinite"
+							keyTimes="0;0.333;0.667;1"
+							calcmod="spline"
+							keySplines="0.2 0 0.2 1;0.2 0 0.2 1;0.2 0 0.2 1"
+							begin="-10s"
+							values="M0 0L 0 235Q 213.5 280 427 250T 854 260L 854 0 Z;M0 0L 0 250Q 213.5 220 427 220T 854 240L 854 0 Z;M0 0L 0 245Q 213.5 225 427 250T 854 265L 854 0 Z;M0 0L 0 235Q 213.5 280 427 250T 854 260L 854 0 Z"
+						>
+						</animate>
+					</path>
+				</g>
+			</svg>
 			<div :class="$style.title">
 				<div>Welcome to Misskey!</div>
 				<div :class="$style.version">v{{ version }}</div>
 			</div>
-			<div class="_gaps_m" style="padding: 32px;">
-				<div>{{ i18n.ts.intro }}</div>
-				<MkInput v-model="setupPassword" type="password" data-cy-admin-initial-password>
-					<template #label>{{ i18n.ts.initialPasswordForSetup }} <div v-tooltip:dialog="i18n.ts.initialPasswordForSetupDescription" class="_button _help"><i class="ti ti-help-circle"></i></div></template>
-					<template #prefix><i class="ti ti-lock"></i></template>
-				</MkInput>
-				<MkInput v-model="username" pattern="^[a-zA-Z0-9_]{1,20}$" :spellcheck="false" required data-cy-admin-username>
-					<template #label>{{ i18n.ts.username }}</template>
-					<template #prefix>@</template>
-					<template #suffix>@{{ host }}</template>
-				</MkInput>
-				<MkInput v-model="password" type="password" data-cy-admin-password>
-					<template #label>{{ i18n.ts.password }}</template>
-					<template #prefix><i class="ti ti-lock"></i></template>
-				</MkInput>
-				<div>
-					<MkButton gradate large rounded type="submit" :disabled="submitting" data-cy-admin-ok style="margin: 0 auto;">
-						{{ submitting ? i18n.ts.processing : i18n.ts.done }}<MkEllipsis v-if="submitting"/>
+			<div style="padding: 16px 32px 32px 32px;">
+				<form v-if="!accountCreated" class="_gaps_m" @submit.prevent="createAccount()">
+					<div style="text-align: center;" class="_gaps_s">
+						<div><b>{{ i18n.ts._serverSetupWizard.installCompleted }}</b></div>
+						<div>{{ i18n.ts._serverSetupWizard.firstCreateAccount }}</div>
+					</div>
+					<MkInput v-model="setupPassword" type="password" data-cy-admin-initial-password>
+						<template #label>{{ i18n.ts.initialPasswordForSetup }} <div v-tooltip:dialog="i18n.ts.initialPasswordForSetupDescription" class="_button _help"><i class="ti ti-help-circle"></i></div></template>
+						<template #prefix><i class="ti ti-lock"></i></template>
+					</MkInput>
+					<MkInput v-model="username" pattern="^[a-zA-Z0-9_]{1,20}$" :spellcheck="false" required data-cy-admin-username>
+						<template #label>{{ i18n.ts.username }} <div v-tooltip:dialog="i18n.ts.usernameInfo" class="_button _help"><i class="ti ti-help-circle"></i></div></template>
+						<template #prefix>@</template>
+						<template #suffix>@{{ host }}</template>
+					</MkInput>
+					<MkInput v-model="password" type="password" data-cy-admin-password>
+						<template #label>{{ i18n.ts.password }}</template>
+						<template #prefix><i class="ti ti-lock"></i></template>
+					</MkInput>
+					<div>
+						<MkButton gradate large rounded :disabled="accountCreating" data-cy-admin-ok style="margin: 0 auto;" type="submit">
+							{{ accountCreating ? i18n.ts.processing : i18n.ts.next }}<MkEllipsis v-if="accountCreating"/>
+						</MkButton>
+					</div>
+				</form>
+				<div v-else-if="step === 0" class="_gaps_m">
+					<div style="text-align: center;" class="_gaps_s">
+						<div><b>{{ i18n.ts._serverSetupWizard.accountCreated }}</b></div>
+					</div>
+					<MkButton gradate large rounded data-cy-next style="margin: 0 auto;" @click="step++">
+						{{ i18n.ts.next }}
+					</MkButton>
+				</div>
+				<div v-else-if="step === 1" class="_gaps_m">
+					<div style="text-align: center;" class="_gaps_s">
+						<div><b>{{ i18n.ts._serverSetupWizard.donationRequest }}</b></div>
+						<div>{{ i18n.ts._serverSetupWizard._donationRequest.text1 }}<br>{{ i18n.ts._serverSetupWizard._donationRequest.text2 }}<br>{{ i18n.ts._serverSetupWizard._donationRequest.text3 }}</div>
+					</div>
+					<MkLink target="_blank" url="https://misskey-hub.net/docs/donate/" style="margin: 0 auto;">{{ i18n.ts.learnMore }}</MkLink>
+					<div class="_buttonsCenter">
+						<MkButton gradate large rounded data-cy-next style="margin: 0 auto;" @click="step++">
+							{{ i18n.ts.next }}
+						</MkButton>
+					</div>
+				</div>
+				<div v-else-if="step === 2" class="_gaps_m">
+					<div style="text-align: center;" class="_gaps_s">
+						<div style="font-size: 120%;"><b>{{ i18n.ts._serverSetupWizard.serverSetting }}</b></div>
+						<div>{{ i18n.ts._serverSetupWizard.youCanEasilyConfigureOptimalServerSettingsWithThisWizard }}</div>
+						<div>{{ i18n.ts._serverSetupWizard.settingsYouMakeHereCanBeChangedLater }}</div>
+					</div>
+
+					<MkServerSetupWizard :token="token" @finished="onWizardFinished"/>
+
+					<MkButton rounded style="margin: 0 auto;" @click="skipSettings">
+						{{ i18n.ts._serverSetupWizard.skipSettings }}
 					</MkButton>
 				</div>
+				<div v-else-if="step === 3" class="_gaps_m">
+					<div style="text-align: center;" class="_gaps_s">
+						<div><b>{{ i18n.ts._serverSetupWizard.settingsCompleted }}</b></div>
+						<div>{{ i18n.ts._serverSetupWizard.settingsCompleted_description }}</div>
+						<div>{{ i18n.ts._serverSetupWizard.settingsCompleted_description2 }}</div>
+					</div>
+					<div class="_buttonsCenter">
+						<MkButton gradate large rounded data-cy-next style="margin: 0 auto;" @click="finish">
+							{{ i18n.ts.start }}
+						</MkButton>
+					</div>
+				</div>
 			</div>
-		</form>
+		</div>
 	</div>
 </PageWithAnimBg>
 </template>
 
 <script lang="ts" setup>
-import { ref } from 'vue';
+import { computed, ref } from 'vue';
+import * as Misskey from 'misskey-js';
 import { host, version } from '@@/js/config.js';
 import MkButton from '@/components/MkButton.vue';
 import MkInput from '@/components/MkInput.vue';
@@ -46,24 +133,33 @@ import * as os from '@/os.js';
 import { misskeyApi } from '@/utility/misskey-api.js';
 import { i18n } from '@/i18n.js';
 import { login } from '@/accounts.js';
+import MkLink from '@/components/MkLink.vue';
+import MkServerSetupWizard from '@/components/MkServerSetupWizard.vue';
 
 const username = ref('');
 const password = ref('');
 const setupPassword = ref('');
-const submitting = ref(false);
+const accountCreating = ref(false);
+const accountCreated = ref(false);
+const step = ref(0);
+
+let token;
 
-function submit() {
-	if (submitting.value) return;
-	submitting.value = true;
+function createAccount() {
+	if (accountCreating.value) return;
+	accountCreating.value = true;
+
+	const _close = os.waiting();
 
 	misskeyApi('admin/accounts/create', {
 		username: username.value,
 		password: password.value,
 		setupPassword: setupPassword.value === '' ? null : setupPassword.value,
 	}).then(res => {
-		return login(res.token);
+		token = res.token;
+		accountCreated.value = true;
 	}).catch((err) => {
-		submitting.value = false;
+		accountCreating.value = false;
 
 		let title = i18n.ts.somethingHappened;
 		let text = err.message + '\n' + err.id;
@@ -81,8 +177,22 @@ function submit() {
 			title,
 			text,
 		});
+	}).finally(() => {
+		_close();
 	});
 }
+
+function onWizardFinished() {
+	step.value++;
+}
+
+function skipSettings() {
+	step.value++;
+}
+
+function finish() {
+	login(token);
+}
 </script>
 
 <style lang="scss" module>
@@ -90,8 +200,7 @@ function submit() {
 	min-height: 100svh;
 	padding: 32px 32px 64px 32px;
 	box-sizing: border-box;
-	display: grid;
-	place-content: center;
+	align-content: center;
 }
 
 .form {
@@ -100,16 +209,21 @@ function submit() {
 	border-radius: var(--MI-radius);
 	box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
 	overflow: clip;
-	max-width: 500px;
+	max-width: 550px;
+	margin: 0 auto;
 }
 
 .title {
+	position: absolute;
+	top: 16px;
+	left: 0;
+	right: 0;
+	z-index: 1;
 	margin: 0;
 	font-size: 1.5em;
 	text-align: center;
 	padding: 32px;
-	background: var(--MI_THEME-accentedBg);
-	color: var(--MI_THEME-accent);
+	color: #fff;
 	font-weight: bold;
 }
 
diff --git a/packages/misskey-js/src/autogen/types.ts b/packages/misskey-js/src/autogen/types.ts
index 4a71dd5465..b2543587cc 100644
--- a/packages/misskey-js/src/autogen/types.ts
+++ b/packages/misskey-js/src/autogen/types.ts
@@ -8780,6 +8780,7 @@ export type operations = {
                 software: string;
                 versionRange: string;
               }[];
+            singleUserMode: boolean;
             /** @enum {string} */
             ugcVisibilityForVisitor: 'all' | 'local' | 'none';
           };
@@ -11452,6 +11453,7 @@ export type operations = {
               software: string;
               versionRange: string;
             }[];
+          singleUserMode?: boolean;
           /** @enum {string} */
           ugcVisibilityForVisitor?: 'all' | 'local' | 'none';
         };