refactor(client): Refine routing (#8846)

21 files changed, 1136 insertions, 790 deletions

diff --git a/packages/client/src/pages/admin/_header_.vue b/packages/client/src/pages/admin/_header_.vue
new file mode 100644
index 0000000000..9e11d065d9
--- /dev/null
+++ b/packages/client/src/pages/admin/_header_.vue
@@ -0,0 +1,249 @@
+<template>
+<div ref="el" class="fdidabkc" :style="{ background: bg }" @click="onClick">
+	<template v-if="metadata">
+		<div class="titleContainer" @click="showTabsPopup">
+			<i v-if="metadata.icon" class="icon" :class="metadata.icon"></i>
+
+			<div class="title">
+				<div class="title">{{ metadata.title }}</div>
+			</div>
+		</div>
+		<div class="tabs">
+			<button v-for="tab in tabs" v-tooltip="tab.title" class="tab _button" :class="{ active: tab.active }" @click="tab.onClick">
+				<i v-if="tab.icon" class="icon" :class="tab.icon"></i>
+				<span v-if="!tab.iconOnly" class="title">{{ tab.title }}</span>
+			</button>
+		</div>
+	</template>
+	<div class="buttons right">
+		<template v-if="actions">
+			<template v-for="action in actions">
+				<MkButton v-if="action.asFullButton" class="fullButton" primary @click.stop="action.handler"><i :class="action.icon" style="margin-right: 6px;"></i>{{ action.text }}</MkButton>
+				<button v-else v-tooltip="action.text" class="_button button" :class="{ highlighted: action.highlighted }" @click.stop="action.handler" @touchstart="preventDrag"><i :class="action.icon"></i></button>
+			</template>
+		</template>
+	</div>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { computed, onMounted, onUnmounted, ref, inject } from 'vue';
+import tinycolor from 'tinycolor2';
+import { popupMenu } from '@/os';
+import { url } from '@/config';
+import { scrollToTop } from '@/scripts/scroll';
+import MkButton from '@/components/ui/button.vue';
+import { i18n } from '@/i18n';
+import { globalEvents } from '@/events';
+import { injectPageMetadata, PageMetadata } from '@/scripts/page-metadata';
+
+const props = defineProps<{
+	tabs?: {
+		title: string;
+		active: boolean;
+		icon?: string;
+		iconOnly?: boolean;
+		onClick: () => void;
+	}[];
+	actions?: {
+		text: string;
+		icon: string;
+		asFullButton?: boolean;
+		handler: (ev: MouseEvent) => void;
+	}[];
+	thin?: boolean;
+}>();
+
+const metadata = injectPageMetadata();
+
+const el = ref<HTMLElement>(null);
+const bg = ref(null);
+const height = ref(0);
+const hasTabs = computed(() => {
+	return props.tabs && props.tabs.length > 0;
+});
+
+const showTabsPopup = (ev: MouseEvent) => {
+	if (!hasTabs.value) return;
+	if (!narrow.value) return;
+	ev.preventDefault();
+	ev.stopPropagation();
+	const menu = props.tabs.map(tab => ({
+		text: tab.title,
+		icon: tab.icon,
+		action: tab.onClick,
+	}));
+	popupMenu(menu, ev.currentTarget ?? ev.target);
+};
+
+const preventDrag = (ev: TouchEvent) => {
+	ev.stopPropagation();
+};
+
+const onClick = () => {
+	scrollToTop(el.value, { behavior: 'smooth' });
+};
+
+const calcBg = () => {
+	const rawBg = metadata?.bg || 'var(--bg)';
+	const tinyBg = tinycolor(rawBg.startsWith('var(') ? getComputedStyle(document.documentElement).getPropertyValue(rawBg.slice(4, -1)) : rawBg);
+	tinyBg.setAlpha(0.85);
+	bg.value = tinyBg.toRgbString();
+};
+
+onMounted(() => {
+	calcBg();
+	globalEvents.on('themeChanged', calcBg);
+});
+
+onUnmounted(() => {
+	globalEvents.off('themeChanged', calcBg);
+});
+</script>
+
+<style lang="scss" scoped>
+.fdidabkc {
+	--height: 60px;
+	display: flex;
+	position: sticky;
+	top: var(--stickyTop, 0);
+	z-index: 1000;
+	width: 100%;
+	-webkit-backdrop-filter: var(--blur, blur(15px));
+	backdrop-filter: var(--blur, blur(15px));
+
+	> .buttons {
+		--margin: 8px;
+		display: flex;
+    align-items: center;
+		height: var(--height);
+		margin: 0 var(--margin);
+
+		&.right {
+			margin-left: auto;
+		}
+
+		&:empty {
+			width: var(--height);
+		}
+
+		> .button {
+			display: flex;
+			align-items: center;
+			justify-content: center;
+			height: calc(var(--height) - (var(--margin) * 2));
+			width: calc(var(--height) - (var(--margin) * 2));
+			box-sizing: border-box;
+			position: relative;
+			border-radius: 5px;
+
+			&:hover {
+				background: rgba(0, 0, 0, 0.05);
+			}
+
+			&.highlighted {
+				color: var(--accent);
+			}
+		}
+
+		> .fullButton {
+			& + .fullButton {
+				margin-left: 12px;
+			}
+		}
+	}
+
+	> .titleContainer {
+		display: flex;
+		align-items: center;
+		max-width: 400px;
+		overflow: auto;
+		white-space: nowrap;
+		text-align: left;
+		font-weight: bold;
+		flex-shrink: 0;
+		margin-left: 24px;
+
+		> .avatar {
+			$size: 32px;
+			display: inline-block;
+			width: $size;
+			height: $size;
+			vertical-align: bottom;
+			margin: 0 8px;
+			pointer-events: none;
+		}
+
+		> .icon {
+			margin-right: 8px;
+		}
+
+		> .title {
+			min-width: 0;
+			overflow: hidden;
+			text-overflow: ellipsis;
+			white-space: nowrap;
+			line-height: 1.1;
+
+			> .subtitle {
+				opacity: 0.6;
+				font-size: 0.8em;
+				font-weight: normal;
+				white-space: nowrap;
+				overflow: hidden;
+				text-overflow: ellipsis;
+
+				&.activeTab {
+					text-align: center;
+
+					> .chevron {
+						display: inline-block;
+						margin-left: 6px;
+					}
+				}
+			}
+		}
+	}
+
+	> .tabs {
+		margin-left: 16px;
+		font-size: 0.8em;
+		overflow: auto;
+		white-space: nowrap;
+
+		> .tab {
+			display: inline-block;
+			position: relative;
+			padding: 0 10px;
+			height: 100%;
+			font-weight: normal;
+			opacity: 0.7;
+
+			&:hover {
+				opacity: 1;
+			}
+
+			&.active {
+				opacity: 1;
+
+				&:after {
+					content: "";
+					display: block;
+					position: absolute;
+					bottom: 0;
+					left: 0;
+					right: 0;
+					margin: 0 auto;
+					width: 100%;
+					height: 3px;
+					background: var(--accent);
+				}
+			}
+
+			> .icon + .title {
+				margin-left: 8px;
+			}
+		}
+	}
+}
+</style>
diff --git a/packages/client/src/pages/admin/abuses.vue b/packages/client/src/pages/admin/abuses.vue
index e1d0361c0b..2b6dadf7c6 100644
--- a/packages/client/src/pages/admin/abuses.vue
+++ b/packages/client/src/pages/admin/abuses.vue
@@ -1,28 +1,31 @@
 <template>
-<div class="lcixvhis">
-	<div class="_section reports">
-		<div class="_content">
-			<div class="inputs" style="display: flex;">
-				<MkSelect v-model="state" style="margin: 0; flex: 1;">
-					<template #label>{{ $ts.state }}</template>
-					<option value="all">{{ $ts.all }}</option>
-					<option value="unresolved">{{ $ts.unresolved }}</option>
-					<option value="resolved">{{ $ts.resolved }}</option>
-				</MkSelect>
-				<MkSelect v-model="targetUserOrigin" style="margin: 0; flex: 1;">
-					<template #label>{{ $ts.reporteeOrigin }}</template>
-					<option value="combined">{{ $ts.all }}</option>
-					<option value="local">{{ $ts.local }}</option>
-					<option value="remote">{{ $ts.remote }}</option>
-				</MkSelect>
-				<MkSelect v-model="reporterOrigin" style="margin: 0; flex: 1;">
-					<template #label>{{ $ts.reporterOrigin }}</template>
-					<option value="combined">{{ $ts.all }}</option>
-					<option value="local">{{ $ts.local }}</option>
-					<option value="remote">{{ $ts.remote }}</option>
-				</MkSelect>
-			</div>
-			<!-- TODO
+<MkStickyContainer>
+	<template #header><XHeader :actions="headerActions" :tabs="headerTabs"/></template>
+	<MkSpacer :content-max="900">
+		<div class="lcixvhis">
+			<div class="_section reports">
+				<div class="_content">
+					<div class="inputs" style="display: flex;">
+						<MkSelect v-model="state" style="margin: 0; flex: 1;">
+							<template #label>{{ $ts.state }}</template>
+							<option value="all">{{ $ts.all }}</option>
+							<option value="unresolved">{{ $ts.unresolved }}</option>
+							<option value="resolved">{{ $ts.resolved }}</option>
+						</MkSelect>
+						<MkSelect v-model="targetUserOrigin" style="margin: 0; flex: 1;">
+							<template #label>{{ $ts.reporteeOrigin }}</template>
+							<option value="combined">{{ $ts.all }}</option>
+							<option value="local">{{ $ts.local }}</option>
+							<option value="remote">{{ $ts.remote }}</option>
+						</MkSelect>
+						<MkSelect v-model="reporterOrigin" style="margin: 0; flex: 1;">
+							<template #label>{{ $ts.reporterOrigin }}</template>
+							<option value="combined">{{ $ts.all }}</option>
+							<option value="local">{{ $ts.local }}</option>
+							<option value="remote">{{ $ts.remote }}</option>
+						</MkSelect>
+					</div>
+					<!-- TODO
 			<div class="inputs" style="display: flex; padding-top: 1.2em;">
 				<MkInput v-model="searchUsername" style="margin: 0; flex: 1;" type="text" spellcheck="false">
 					<span>{{ $ts.username }}</span>
@@ -33,24 +36,27 @@
 			</div>
 			-->
 
-			<MkPagination v-slot="{items}" ref="reports" :pagination="pagination" style="margin-top: var(--margin);">
-				<XAbuseReport v-for="report in items" :key="report.id" :report="report" @resolved="resolved"/>
-			</MkPagination>
+					<MkPagination v-slot="{items}" ref="reports" :pagination="pagination" style="margin-top: var(--margin);">
+						<XAbuseReport v-for="report in items" :key="report.id" :report="report" @resolved="resolved"/>
+					</MkPagination>
+				</div>
+			</div>
 		</div>
-	</div>
-</div>
+	</MkSpacer>
+</MkStickyContainer>
 </template>
 
 <script lang="ts" setup>
 import { computed } from 'vue';
 
+import XHeader from './_header_.vue';
 import MkInput from '@/components/form/input.vue';
 import MkSelect from '@/components/form/select.vue';
 import MkPagination from '@/components/ui/pagination.vue';
 import XAbuseReport from '@/components/abuse-report.vue';
 import * as os from '@/os';
-import * as symbols from '@/symbols';
 import { i18n } from '@/i18n';
+import { definePageMetadata } from '@/scripts/page-metadata';
 
 let reports = $ref<InstanceType<typeof MkPagination>>();
 
@@ -74,12 +80,14 @@ function resolved(reportId) {
 	reports.removeItem(item => item.id === reportId);
 }
 
-defineExpose({
-	[symbols.PAGE_INFO]: {
-		title: i18n.ts.abuseReports,
-		icon: 'fas fa-exclamation-circle',
-		bg: 'var(--bg)',
-	}
+const headerActions = $computed(() => []);
+
+const headerTabs = $computed(() => []);
+
+definePageMetadata({
+	title: i18n.ts.abuseReports,
+	icon: 'fas fa-exclamation-circle',
+	bg: 'var(--bg)',
 });
 </script>
 
diff --git a/packages/client/src/pages/admin/ads.vue b/packages/client/src/pages/admin/ads.vue
index b18e08db96..05557469e7 100644
--- a/packages/client/src/pages/admin/ads.vue
+++ b/packages/client/src/pages/admin/ads.vue
@@ -1,21 +1,23 @@
 <template>
-<MkSpacer :content-max="900">
-	<div class="uqshojas">
-		<div v-for="ad in ads" class="_panel _formRoot ad">
-			<MkAd v-if="ad.url" :specify="ad"/>
-			<MkInput v-model="ad.url" type="url" class="_formBlock">
-				<template #label>URL</template>
-			</MkInput>
-			<MkInput v-model="ad.imageUrl" class="_formBlock">
-				<template #label>{{ i18n.ts.imageUrl }}</template>
-			</MkInput>
-			<FormRadios v-model="ad.place" class="_formBlock">
-				<template #label>Form</template>
-				<option value="square">square</option>
-				<option value="horizontal">horizontal</option>
-				<option value="horizontal-big">horizontal-big</option>
-			</FormRadios>
-			<!--
+<MkStickyContainer>
+	<template #header><XHeader :actions="headerActions" :tabs="headerTabs"/></template>
+	<MkSpacer :content-max="900">
+		<div class="uqshojas">
+			<div v-for="ad in ads" class="_panel _formRoot ad">
+				<MkAd v-if="ad.url" :specify="ad"/>
+				<MkInput v-model="ad.url" type="url" class="_formBlock">
+					<template #label>URL</template>
+				</MkInput>
+				<MkInput v-model="ad.imageUrl" class="_formBlock">
+					<template #label>{{ i18n.ts.imageUrl }}</template>
+				</MkInput>
+				<FormRadios v-model="ad.place" class="_formBlock">
+					<template #label>Form</template>
+					<option value="square">square</option>
+					<option value="horizontal">horizontal</option>
+					<option value="horizontal-big">horizontal-big</option>
+				</FormRadios>
+				<!--
 			<div style="margin: 32px 0;">
 				{{ i18n.ts.priority }}
 				<MkRadio v-model="ad.priority" value="high">{{ i18n.ts.high }}</MkRadio>
@@ -23,36 +25,38 @@
 				<MkRadio v-model="ad.priority" value="low">{{ i18n.ts.low }}</MkRadio>
 			</div>
 			-->
-			<FormSplit>
-				<MkInput v-model="ad.ratio" type="number">
-					<template #label>{{ i18n.ts.ratio }}</template>
-				</MkInput>
-				<MkInput v-model="ad.expiresAt" type="date">
-					<template #label>{{ i18n.ts.expiration }}</template>
-				</MkInput>
-			</FormSplit>
-			<MkTextarea v-model="ad.memo" class="_formBlock">
-				<template #label>{{ i18n.ts.memo }}</template>
-			</MkTextarea>
-			<div class="buttons _formBlock">
-				<MkButton class="button" inline primary style="margin-right: 12px;" @click="save(ad)"><i class="fas fa-save"></i> {{ i18n.ts.save }}</MkButton>
-				<MkButton class="button" inline danger @click="remove(ad)"><i class="fas fa-trash-alt"></i> {{ i18n.ts.remove }}</MkButton>
+				<FormSplit>
+					<MkInput v-model="ad.ratio" type="number">
+						<template #label>{{ i18n.ts.ratio }}</template>
+					</MkInput>
+					<MkInput v-model="ad.expiresAt" type="date">
+						<template #label>{{ i18n.ts.expiration }}</template>
+					</MkInput>
+				</FormSplit>
+				<MkTextarea v-model="ad.memo" class="_formBlock">
+					<template #label>{{ i18n.ts.memo }}</template>
+				</MkTextarea>
+				<div class="buttons _formBlock">
+					<MkButton class="button" inline primary style="margin-right: 12px;" @click="save(ad)"><i class="fas fa-save"></i> {{ i18n.ts.save }}</MkButton>
+					<MkButton class="button" inline danger @click="remove(ad)"><i class="fas fa-trash-alt"></i> {{ i18n.ts.remove }}</MkButton>
+				</div>
 			</div>
 		</div>
-	</div>
-</MkSpacer>
+	</MkSpacer>
+</MkStickyContainer>
 </template>
 
 <script lang="ts" setup>
 import { } from 'vue';
+import XHeader from './_header_.vue';
 import MkButton from '@/components/ui/button.vue';
 import MkInput from '@/components/form/input.vue';
 import MkTextarea from '@/components/form/textarea.vue';
 import FormRadios from '@/components/form/radios.vue';
 import FormSplit from '@/components/form/split.vue';
 import * as os from '@/os';
-import * as symbols from '@/symbols';
 import { i18n } from '@/i18n';
+import { definePageMetadata } from '@/scripts/page-metadata';
 
 let ads: any[] = $ref([]);
 
@@ -81,7 +85,7 @@ function remove(ad) {
 		if (canceled) return;
 		ads = ads.filter(x => x !== ad);
 		os.apiWithDialog('admin/ad/delete', {
-			id: ad.id
+			id: ad.id,
 		});
 	});
 }
@@ -90,28 +94,29 @@ function save(ad) {
 	if (ad.id == null) {
 		os.apiWithDialog('admin/ad/create', {
 			...ad,
-			expiresAt: new Date(ad.expiresAt).getTime()
+			expiresAt: new Date(ad.expiresAt).getTime(),
 		});
 	} else {
 		os.apiWithDialog('admin/ad/update', {
 			...ad,
-			expiresAt: new Date(ad.expiresAt).getTime()
+			expiresAt: new Date(ad.expiresAt).getTime(),
 		});
 	}
 }
 
-defineExpose({
-	[symbols.PAGE_INFO]: {
-		title: i18n.ts.ads,
-		icon: 'fas fa-audio-description',
-		bg: 'var(--bg)',
-		actions: [{
-			asFullButton: true,
-			icon: 'fas fa-plus',
-			text: i18n.ts.add,
-			handler: add,
-		}],
-	}
+const headerActions = $computed(() => [{
+	asFullButton: true,
+	icon: 'fas fa-plus',
+	text: i18n.ts.add,
+	handler: add,
+}]);
+
+const headerTabs = $computed(() => []);
+
+definePageMetadata({
+	title: i18n.ts.ads,
+	icon: 'fas fa-audio-description',
+	bg: 'var(--bg)',
 });
 </script>
 
diff --git a/packages/client/src/pages/admin/announcements.vue b/packages/client/src/pages/admin/announcements.vue
index 97774975de..025897d093 100644
--- a/packages/client/src/pages/admin/announcements.vue
+++ b/packages/client/src/pages/admin/announcements.vue
@@ -1,34 +1,40 @@
 <template>
-<div class="ztgjmzrw">
-	<section v-for="announcement in announcements" class="_card _gap announcements">
-		<div class="_content announcement">
-			<MkInput v-model="announcement.title">
-				<template #label>{{ i18n.ts.title }}</template>
-			</MkInput>
-			<MkTextarea v-model="announcement.text">
-				<template #label>{{ i18n.ts.text }}</template>
-			</MkTextarea>
-			<MkInput v-model="announcement.imageUrl">
-				<template #label>{{ i18n.ts.imageUrl }}</template>
-			</MkInput>
-			<p v-if="announcement.reads">{{ i18n.t('nUsersRead', { n: announcement.reads }) }}</p>
-			<div class="buttons">
-				<MkButton class="button" inline primary @click="save(announcement)"><i class="fas fa-save"></i> {{ i18n.ts.save }}</MkButton>
-				<MkButton class="button" inline @click="remove(announcement)"><i class="fas fa-trash-alt"></i> {{ i18n.ts.remove }}</MkButton>
-			</div>
+<MkStickyContainer>
+	<template #header><XHeader :actions="headerActions" :tabs="headerTabs"/></template>
+	<MkSpacer :content-max="900">
+		<div class="ztgjmzrw">
+			<section v-for="announcement in announcements" class="_card _gap announcements">
+				<div class="_content announcement">
+					<MkInput v-model="announcement.title">
+						<template #label>{{ i18n.ts.title }}</template>
+					</MkInput>
+					<MkTextarea v-model="announcement.text">
+						<template #label>{{ i18n.ts.text }}</template>
+					</MkTextarea>
+					<MkInput v-model="announcement.imageUrl">
+						<template #label>{{ i18n.ts.imageUrl }}</template>
+					</MkInput>
+					<p v-if="announcement.reads">{{ i18n.t('nUsersRead', { n: announcement.reads }) }}</p>
+					<div class="buttons">
+						<MkButton class="button" inline primary @click="save(announcement)"><i class="fas fa-save"></i> {{ i18n.ts.save }}</MkButton>
+						<MkButton class="button" inline @click="remove(announcement)"><i class="fas fa-trash-alt"></i> {{ i18n.ts.remove }}</MkButton>
+					</div>
+				</div>
+			</section>
 		</div>
-	</section>
-</div>
+	</MkSpacer>
+</MkStickyContainer>
 </template>
 
 <script lang="ts" setup>
 import { } from 'vue';
+import XHeader from './_header_.vue';
 import MkButton from '@/components/ui/button.vue';
 import MkInput from '@/components/form/input.vue';
 import MkTextarea from '@/components/form/textarea.vue';
 import * as os from '@/os';
-import * as symbols from '@/symbols';
 import { i18n } from '@/i18n';
+import { definePageMetadata } from '@/scripts/page-metadata';
 
 let announcements: any[] = $ref([]);
 
@@ -41,7 +47,7 @@ function add() {
 		id: null,
 		title: '',
 		text: '',
-		imageUrl: null
+		imageUrl: null,
 	});
 }
 
@@ -61,41 +67,42 @@ function save(announcement) {
 		os.api('admin/announcements/create', announcement).then(() => {
 			os.alert({
 				type: 'success',
-				text: i18n.ts.saved
+				text: i18n.ts.saved,
 			});
 		}).catch(err => {
 			os.alert({
 				type: 'error',
-				text: err
+				text: err,
 			});
 		});
 	} else {
 		os.api('admin/announcements/update', announcement).then(() => {
 			os.alert({
 				type: 'success',
-				text: i18n.ts.saved
+				text: i18n.ts.saved,
 			});
 		}).catch(err => {
 			os.alert({
 				type: 'error',
-				text: err
+				text: err,
 			});
 		});
 	}
 }
 
-defineExpose({
-	[symbols.PAGE_INFO]: {
-		title: i18n.ts.announcements,
-		icon: 'fas fa-broadcast-tower',
-		bg: 'var(--bg)',
-		actions: [{
-			asFullButton: true,
-			icon: 'fas fa-plus',
-			text: i18n.ts.add,
-			handler: add,
-		}],
-	}
+const headerActions = $computed(() => [{
+	asFullButton: true,
+	icon: 'fas fa-plus',
+	text: i18n.ts.add,
+	handler: add,
+}]);
+
+const headerTabs = $computed(() => []);
+
+definePageMetadata({
+	title: i18n.ts.announcements,
+	icon: 'fas fa-broadcast-tower',
+	bg: 'var(--bg)',
 });
 </script>
 
diff --git a/packages/client/src/pages/admin/bot-protection.vue b/packages/client/src/pages/admin/bot-protection.vue
index 30fee5015a..d2e7919b4f 100644
--- a/packages/client/src/pages/admin/bot-protection.vue
+++ b/packages/client/src/pages/admin/bot-protection.vue
@@ -51,7 +51,6 @@ import FormButton from '@/components/ui/button.vue';
 import FormSuspense from '@/components/form/suspense.vue';
 import FormSlot from '@/components/form/slot.vue';
 import * as os from '@/os';
-import * as symbols from '@/symbols';
 import { fetchInstance } from '@/instance';
 
 const MkCaptcha = defineAsyncComponent(() => import('@/components/captcha.vue'));
diff --git a/packages/client/src/pages/admin/database.vue b/packages/client/src/pages/admin/database.vue
index d3519922b1..b9c5f9e393 100644
--- a/packages/client/src/pages/admin/database.vue
+++ b/packages/client/src/pages/admin/database.vue
@@ -1,12 +1,13 @@
-<template>
-<MkSpacer :content-max="800" :margin-min="16" :margin-max="32">
+<template><MkStickyContainer>
+	<template #header><MkPageHeader :actions="headerActions" :tabs="headerTabs"/></template>
+		<MkSpacer :content-max="800" :margin-min="16" :margin-max="32">
 	<FormSuspense v-slot="{ result: database }" :p="databasePromiseFactory">
 		<MkKeyValue v-for="table in database" :key="table[0]" oneline style="margin: 1em 0;">
 			<template #key>{{ table[0] }}</template>
 			<template #value>{{ bytes(table[1].size) }} ({{ number(table[1].count) }} recs)</template>
 		</MkKeyValue>
 	</FormSuspense>
-</MkSpacer>
+</MkSpacer></MkStickyContainer>
 </template>
 
 <script lang="ts" setup>
@@ -14,18 +15,20 @@ import { } from 'vue';
 import FormSuspense from '@/components/form/suspense.vue';
 import MkKeyValue from '@/components/key-value.vue';
 import * as os from '@/os';
-import * as symbols from '@/symbols';
 import bytes from '@/filters/bytes';
 import number from '@/filters/number';
 import { i18n } from '@/i18n';
+import { definePageMetadata } from '@/scripts/page-metadata';
 
 const databasePromiseFactory = () => os.api('admin/get-table-stats').then(res => Object.entries(res).sort((a, b) => b[1].size - a[1].size));
 
-defineExpose({
-	[symbols.PAGE_INFO]: {
-		title: i18n.ts.database,
-		icon: 'fas fa-database',
-		bg: 'var(--bg)',
-	}
+const headerActions = $computed(() => []);
+
+const headerTabs = $computed(() => []);
+
+definePageMetadata({
+	title: i18n.ts.database,
+	icon: 'fas fa-database',
+	bg: 'var(--bg)',
 });
 </script>
diff --git a/packages/client/src/pages/admin/email-settings.vue b/packages/client/src/pages/admin/email-settings.vue
index aa13043193..5487c5f333 100644
--- a/packages/client/src/pages/admin/email-settings.vue
+++ b/packages/client/src/pages/admin/email-settings.vue
@@ -1,49 +1,53 @@
 <template>
-<MkSpacer :content-max="700" :margin-min="16" :margin-max="32">
-	<FormSuspense :p="init">
-		<div class="_formRoot">
-			<FormSwitch v-model="enableEmail" class="_formBlock">
-				<template #label>{{ i18n.ts.enableEmail }}</template>
-				<template #caption>{{ i18n.ts.emailConfigInfo }}</template>
-			</FormSwitch>
+<MkStickyContainer>
+	<template #header><XHeader :actions="headerActions" :tabs="headerTabs"/></template>
+	<MkSpacer :content-max="700" :margin-min="16" :margin-max="32">
+		<FormSuspense :p="init">
+			<div class="_formRoot">
+				<FormSwitch v-model="enableEmail" class="_formBlock">
+					<template #label>{{ i18n.ts.enableEmail }}</template>
+					<template #caption>{{ i18n.ts.emailConfigInfo }}</template>
+				</FormSwitch>
 
-			<template v-if="enableEmail">
-				<FormInput v-model="email" type="email" class="_formBlock">
-					<template #label>{{ i18n.ts.emailAddress }}</template>
-				</FormInput>
+				<template v-if="enableEmail">
+					<FormInput v-model="email" type="email" class="_formBlock">
+						<template #label>{{ i18n.ts.emailAddress }}</template>
+					</FormInput>
 
-				<FormSection>
-					<template #label>{{ i18n.ts.smtpConfig }}</template>
-					<FormSplit :min-width="280">
-						<FormInput v-model="smtpHost" class="_formBlock">
-							<template #label>{{ i18n.ts.smtpHost }}</template>
-						</FormInput>
-						<FormInput v-model="smtpPort" type="number" class="_formBlock">
-							<template #label>{{ i18n.ts.smtpPort }}</template>
-						</FormInput>
-					</FormSplit>
-					<FormSplit :min-width="280">
-						<FormInput v-model="smtpUser" class="_formBlock">
-							<template #label>{{ i18n.ts.smtpUser }}</template>
-						</FormInput>
-						<FormInput v-model="smtpPass" type="password" class="_formBlock">
-							<template #label>{{ i18n.ts.smtpPass }}</template>
-						</FormInput>
-					</FormSplit>
-					<FormInfo class="_formBlock">{{ i18n.ts.emptyToDisableSmtpAuth }}</FormInfo>
-					<FormSwitch v-model="smtpSecure" class="_formBlock">
-						<template #label>{{ i18n.ts.smtpSecure }}</template>
-						<template #caption>{{ i18n.ts.smtpSecureInfo }}</template>
-					</FormSwitch>
-				</FormSection>
-			</template>
-		</div>
-	</FormSuspense>
-</MkSpacer>
+					<FormSection>
+						<template #label>{{ i18n.ts.smtpConfig }}</template>
+						<FormSplit :min-width="280">
+							<FormInput v-model="smtpHost" class="_formBlock">
+								<template #label>{{ i18n.ts.smtpHost }}</template>
+							</FormInput>
+							<FormInput v-model="smtpPort" type="number" class="_formBlock">
+								<template #label>{{ i18n.ts.smtpPort }}</template>
+							</FormInput>
+						</FormSplit>
+						<FormSplit :min-width="280">
+							<FormInput v-model="smtpUser" class="_formBlock">
+								<template #label>{{ i18n.ts.smtpUser }}</template>
+							</FormInput>
+							<FormInput v-model="smtpPass" type="password" class="_formBlock">
+								<template #label>{{ i18n.ts.smtpPass }}</template>
+							</FormInput>
+						</FormSplit>
+						<FormInfo class="_formBlock">{{ i18n.ts.emptyToDisableSmtpAuth }}</FormInfo>
+						<FormSwitch v-model="smtpSecure" class="_formBlock">
+							<template #label>{{ i18n.ts.smtpSecure }}</template>
+							<template #caption>{{ i18n.ts.smtpSecureInfo }}</template>
+						</FormSwitch>
+					</FormSection>
+				</template>
+			</div>
+		</FormSuspense>
+	</MkSpacer>
+</MkStickyContainer>
 </template>
 
 <script lang="ts" setup>
 import { } from 'vue';
+import XHeader from './_header_.vue';
 import FormSwitch from '@/components/form/switch.vue';
 import FormInput from '@/components/form/input.vue';
 import FormInfo from '@/components/ui/info.vue';
@@ -51,9 +55,9 @@ import FormSuspense from '@/components/form/suspense.vue';
 import FormSplit from '@/components/form/split.vue';
 import FormSection from '@/components/form/section.vue';
 import * as os from '@/os';
-import * as symbols from '@/symbols';
 import { fetchInstance, instance } from '@/instance';
 import { i18n } from '@/i18n';
+import { definePageMetadata } from '@/scripts/page-metadata';
 
 let enableEmail: boolean = $ref(false);
 let email: any = $ref(null);
@@ -78,13 +82,13 @@ async function testEmail() {
 	const { canceled, result: destination } = await os.inputText({
 		title: i18n.ts.destination,
 		type: 'email',
-		placeholder: instance.maintainerEmail
+		placeholder: instance.maintainerEmail,
 	});
 	if (canceled) return;
 	os.apiWithDialog('admin/send-email', {
 		to: destination,
 		subject: 'Test email',
-		text: 'Yo'
+		text: 'Yo',
 	});
 }
 
@@ -102,21 +106,22 @@ function save() {
 	});
 }
 
-defineExpose({
-	[symbols.PAGE_INFO]: {
-		title: i18n.ts.emailServer,
-		icon: 'fas fa-envelope',
-		bg: 'var(--bg)',
-		actions: [{
-			asFullButton: true,
-			text: i18n.ts.testEmail,
-			handler: testEmail,
-		}, {
-			asFullButton: true,
-			icon: 'fas fa-check',
-			text: i18n.ts.save,
-			handler: save,
-		}],
-	}
+const headerActions = $computed(() => [{
+	asFullButton: true,
+	text: i18n.ts.testEmail,
+	handler: testEmail,
+}, {
+	asFullButton: true,
+	icon: 'fas fa-check',
+	text: i18n.ts.save,
+	handler: save,
+}]);
+
+const headerTabs = $computed(() => []);
+
+definePageMetadata({
+	title: i18n.ts.emailServer,
+	icon: 'fas fa-envelope',
+	bg: 'var(--bg)',
 });
 </script>
diff --git a/packages/client/src/pages/admin/emojis.vue b/packages/client/src/pages/admin/emojis.vue
index 8ca5b3d65c..9d6b56dbc5 100644
--- a/packages/client/src/pages/admin/emojis.vue
+++ b/packages/client/src/pages/admin/emojis.vue
@@ -1,69 +1,75 @@
 <template>
-<MkSpacer :content-max="900">
-	<div class="ogwlenmc">
-		<div v-if="tab === 'local'" class="local">
-			<MkInput v-model="query" :debounce="true" type="search">
-				<template #prefix><i class="fas fa-search"></i></template>
-				<template #label>{{ $ts.search }}</template>
-			</MkInput>
-			<MkSwitch v-model="selectMode" style="margin: 8px 0;">
-				<template #label>Select mode</template>
-			</MkSwitch>
-			<div v-if="selectMode" style="display: flex; gap: var(--margin); flex-wrap: wrap;">
-				<MkButton inline @click="selectAll">Select all</MkButton>
-				<MkButton inline @click="setCategoryBulk">Set category</MkButton>
-				<MkButton inline @click="addTagBulk">Add tag</MkButton>
-				<MkButton inline @click="removeTagBulk">Remove tag</MkButton>
-				<MkButton inline @click="setTagBulk">Set tag</MkButton>
-				<MkButton inline danger @click="delBulk">Delete</MkButton>
-			</div>
-			<MkPagination ref="emojisPaginationComponent" :pagination="pagination">
-				<template #empty><span>{{ $ts.noCustomEmojis }}</span></template>
-				<template v-slot="{items}">
-					<div class="ldhfsamy">
-						<button v-for="emoji in items" :key="emoji.id" class="emoji _panel _button" :class="{ selected: selectedEmojis.includes(emoji.id) }" @click="selectMode ? toggleSelect(emoji) : edit(emoji)">
-							<img :src="emoji.url" class="img" :alt="emoji.name"/>
-							<div class="body">
-								<div class="name _monospace">{{ emoji.name }}</div>
-								<div class="info">{{ emoji.category }}</div>
-							</div>
-						</button>
+<div>
+	<MkStickyContainer>
+		<template #header><XHeader :actions="headerActions" :tabs="headerTabs"/></template>
+		<MkSpacer :content-max="900">
+			<div class="ogwlenmc">
+				<div v-if="tab === 'local'" class="local">
+					<MkInput v-model="query" :debounce="true" type="search">
+						<template #prefix><i class="fas fa-search"></i></template>
+						<template #label>{{ $ts.search }}</template>
+					</MkInput>
+					<MkSwitch v-model="selectMode" style="margin: 8px 0;">
+						<template #label>Select mode</template>
+					</MkSwitch>
+					<div v-if="selectMode" style="display: flex; gap: var(--margin); flex-wrap: wrap;">
+						<MkButton inline @click="selectAll">Select all</MkButton>
+						<MkButton inline @click="setCategoryBulk">Set category</MkButton>
+						<MkButton inline @click="addTagBulk">Add tag</MkButton>
+						<MkButton inline @click="removeTagBulk">Remove tag</MkButton>
+						<MkButton inline @click="setTagBulk">Set tag</MkButton>
+						<MkButton inline danger @click="delBulk">Delete</MkButton>
 					</div>
-				</template>
-			</MkPagination>
-		</div>
+					<MkPagination ref="emojisPaginationComponent" :pagination="pagination">
+						<template #empty><span>{{ $ts.noCustomEmojis }}</span></template>
+						<template #default="{items}">
+							<div class="ldhfsamy">
+								<button v-for="emoji in items" :key="emoji.id" class="emoji _panel _button" :class="{ selected: selectedEmojis.includes(emoji.id) }" @click="selectMode ? toggleSelect(emoji) : edit(emoji)">
+									<img :src="emoji.url" class="img" :alt="emoji.name"/>
+									<div class="body">
+										<div class="name _monospace">{{ emoji.name }}</div>
+										<div class="info">{{ emoji.category }}</div>
+									</div>
+								</button>
+							</div>
+						</template>
+					</MkPagination>
+				</div>
 
-		<div v-else-if="tab === 'remote'" class="remote">
-			<FormSplit>
-				<MkInput v-model="queryRemote" :debounce="true" type="search">
-					<template #prefix><i class="fas fa-search"></i></template>
-					<template #label>{{ $ts.search }}</template>
-				</MkInput>
-				<MkInput v-model="host" :debounce="true">
-					<template #label>{{ $ts.host }}</template>
-				</MkInput>
-			</FormSplit>
-			<MkPagination :pagination="remotePagination">
-				<template #empty><span>{{ $ts.noCustomEmojis }}</span></template>
-				<template v-slot="{items}">
-					<div class="ldhfsamy">
-						<div v-for="emoji in items" :key="emoji.id" class="emoji _panel _button" @click="remoteMenu(emoji, $event)">
-							<img :src="emoji.url" class="img" :alt="emoji.name"/>
-							<div class="body">
-								<div class="name _monospace">{{ emoji.name }}</div>
-								<div class="info">{{ emoji.host }}</div>
+				<div v-else-if="tab === 'remote'" class="remote">
+					<FormSplit>
+						<MkInput v-model="queryRemote" :debounce="true" type="search">
+							<template #prefix><i class="fas fa-search"></i></template>
+							<template #label>{{ $ts.search }}</template>
+						</MkInput>
+						<MkInput v-model="host" :debounce="true">
+							<template #label>{{ $ts.host }}</template>
+						</MkInput>
+					</FormSplit>
+					<MkPagination :pagination="remotePagination">
+						<template #empty><span>{{ $ts.noCustomEmojis }}</span></template>
+						<template #default="{items}">
+							<div class="ldhfsamy">
+								<div v-for="emoji in items" :key="emoji.id" class="emoji _panel _button" @click="remoteMenu(emoji, $event)">
+									<img :src="emoji.url" class="img" :alt="emoji.name"/>
+									<div class="body">
+										<div class="name _monospace">{{ emoji.name }}</div>
+										<div class="info">{{ emoji.host }}</div>
+									</div>
+								</div>
 							</div>
-						</div>
-					</div>
-				</template>
-			</MkPagination>
-		</div>
-	</div>
-</MkSpacer>
+						</template>
+					</MkPagination>
+				</div>
+			</div>
+		</MkSpacer>
+	</MkStickyContainer>
+</div>
 </template>
 
 <script lang="ts" setup>
 import { computed, defineAsyncComponent, defineComponent, ref, toRef } from 'vue';
+import XHeader from './_header_.vue';
 import MkButton from '@/components/ui/button.vue';
 import MkInput from '@/components/form/input.vue';
 import MkPagination from '@/components/ui/pagination.vue';
@@ -72,8 +78,8 @@ import MkSwitch from '@/components/form/switch.vue';
 import FormSplit from '@/components/form/split.vue';
 import { selectFile, selectFiles } from '@/scripts/select-file';
 import * as os from '@/os';
-import * as symbols from '@/symbols';
 import { i18n } from '@/i18n';
+import { definePageMetadata } from '@/scripts/page-metadata';
 
 const emojisPaginationComponent = ref<InstanceType<typeof MkPagination>>();
 
@@ -131,13 +137,13 @@ const add = async (ev: MouseEvent) => {
 
 const edit = (emoji) => {
 	os.popup(defineAsyncComponent(() => import('./emoji-edit-dialog.vue')), {
-		emoji: emoji
+		emoji: emoji,
 	}, {
 		done: result => {
 			if (result.updated) {
 				emojisPaginationComponent.value.updateItem(result.updated.id, (oldEmoji: any) => ({
 					...oldEmoji,
-					...result.updated
+					...result.updated,
 				}));
 			} else if (result.deleted) {
 				emojisPaginationComponent.value.removeItem((item) => item.id === emoji.id);
@@ -159,7 +165,7 @@ const remoteMenu = (emoji, ev: MouseEvent) => {
 	}, {
 		text: i18n.ts.import,
 		icon: 'fas fa-plus',
-		action: () => { im(emoji); }
+		action: () => { im(emoji); },
 	}], ev.currentTarget ?? ev.target);
 };
 
@@ -181,7 +187,7 @@ const menu = (ev: MouseEvent) => {
 					text: err.message,
 				});
 			});
-		}
+		},
 	}, {
 		icon: 'fas fa-upload',
 		text: i18n.ts.import,
@@ -201,7 +207,7 @@ const menu = (ev: MouseEvent) => {
 					text: err.message,
 				});
 			});
-		}
+		},
 	}], ev.currentTarget ?? ev.target);
 };
 
@@ -265,31 +271,31 @@ const delBulk = async () => {
 	emojisPaginationComponent.value.reload();
 };
 
-defineExpose({
-	[symbols.PAGE_INFO]: computed(() => ({
-		title: i18n.ts.customEmojis,
-		icon: 'fas fa-laugh',
-		bg: 'var(--bg)',
-		actions: [{
-			asFullButton: true,
-			icon: 'fas fa-plus',
-			text: i18n.ts.addEmoji,
-			handler: add,
-		}, {
-			icon: 'fas fa-ellipsis-h',
-			handler: menu,
-		}],
-		tabs: [{
-			active: tab.value === 'local',
-			title: i18n.ts.local,
-			onClick: () => { tab.value = 'local'; },
-		}, {
-			active: tab.value === 'remote',
-			title: i18n.ts.remote,
-			onClick: () => { tab.value = 'remote'; },
-		},]
-	})),
-});
+const headerActions = $computed(() => [{
+	asFullButton: true,
+	icon: 'fas fa-plus',
+	text: i18n.ts.addEmoji,
+	handler: add,
+}, {
+	icon: 'fas fa-ellipsis-h',
+	handler: menu,
+}]);
+
+const headerTabs = $computed(() => [{
+	active: tab.value === 'local',
+	title: i18n.ts.local,
+	onClick: () => { tab.value = 'local'; },
+}, {
+	active: tab.value === 'remote',
+	title: i18n.ts.remote,
+	onClick: () => { tab.value = 'remote'; },
+}]);
+
+definePageMetadata(computed(() => ({
+	title: i18n.ts.customEmojis,
+	icon: 'fas fa-laugh',
+	bg: 'var(--bg)',
+})));
 </script>
 
 <style lang="scss" scoped>
diff --git a/packages/client/src/pages/admin/files.vue b/packages/client/src/pages/admin/files.vue
index 9350911b60..18bf4f9a8c 100644
--- a/packages/client/src/pages/admin/files.vue
+++ b/packages/client/src/pages/admin/files.vue
@@ -1,50 +1,58 @@
 <template>
-<div class="xrmjdkdw">
-	<div>
-		<div class="inputs" style="display: flex; gap: var(--margin); flex-wrap: wrap;">
-			<MkSelect v-model="origin" style="margin: 0; flex: 1;">
-				<template #label>{{ $ts.instance }}</template>
-				<option value="combined">{{ $ts.all }}</option>
-				<option value="local">{{ $ts.local }}</option>
-				<option value="remote">{{ $ts.remote }}</option>
-			</MkSelect>
-			<MkInput v-model="searchHost" :debounce="true" type="search" style="margin: 0; flex: 1;" :disabled="pagination.params.origin === 'local'">
-				<template #label>{{ $ts.host }}</template>
-			</MkInput>
-		</div>
-		<div class="inputs" style="display: flex; padding-top: 1.2em;">
-			<MkInput v-model="type" :debounce="true" type="search" style="margin: 0; flex: 1;">
-				<template #label>MIME type</template>
-			</MkInput>
-		</div>
-		<MkPagination v-slot="{items}" :pagination="pagination" class="urempief" :class="{ grid: viewMode === 'grid' }">
-			<button v-for="file in items" :key="file.id" v-tooltip.mfm="`${file.type}\n${bytes(file.size)}\n${new Date(file.createdAt).toLocaleString()}\nby ${file.user ? '@' + Acct.toString(file.user) : 'system'}`" class="file _panel _button" @click="show(file, $event)">
-				<MkDriveFileThumbnail class="thumbnail" :file="file" fit="contain"/>
-				<div v-if="viewMode === 'list'" class="body">
-					<div>
-						<small style="opacity: 0.7;">{{ file.name }}</small>
+<div>
+	<MkStickyContainer>
+		<template #header><XHeader :actions="headerActions"/></template>
+		<MkSpacer :content-max="900">
+			<div class="xrmjdkdw">
+				<div>
+					<div class="inputs" style="display: flex; gap: var(--margin); flex-wrap: wrap;">
+						<MkSelect v-model="origin" style="margin: 0; flex: 1;">
+							<template #label>{{ $ts.instance }}</template>
+							<option value="combined">{{ $ts.all }}</option>
+							<option value="local">{{ $ts.local }}</option>
+							<option value="remote">{{ $ts.remote }}</option>
+						</MkSelect>
+						<MkInput v-model="searchHost" :debounce="true" type="search" style="margin: 0; flex: 1;" :disabled="pagination.params.origin === 'local'">
+							<template #label>{{ $ts.host }}</template>
+						</MkInput>
 					</div>
-					<div>
-						<MkAcct v-if="file.user" :user="file.user"/>
-						<div v-else>{{ $ts.system }}</div>
-					</div>
-					<div>
-						<span style="margin-right: 1em;">{{ file.type }}</span>
-						<span>{{ bytes(file.size) }}</span>
-					</div>
-					<div>
-						<span>{{ $ts.registeredDate }}: <MkTime :time="file.createdAt" mode="detail"/></span>
+					<div class="inputs" style="display: flex; padding-top: 1.2em;">
+						<MkInput v-model="type" :debounce="true" type="search" style="margin: 0; flex: 1;">
+							<template #label>MIME type</template>
+						</MkInput>
 					</div>
+					<MkPagination v-slot="{items}" :pagination="pagination" class="urempief" :class="{ grid: viewMode === 'grid' }">
+						<button v-for="file in items" :key="file.id" v-tooltip.mfm="`${file.type}\n${bytes(file.size)}\n${new Date(file.createdAt).toLocaleString()}\nby ${file.user ? '@' + Acct.toString(file.user) : 'system'}`" class="file _button" @click="show(file, $event)">
+							<MkDriveFileThumbnail class="thumbnail" :file="file" fit="contain"/>
+							<div v-if="viewMode === 'list'" class="body">
+								<div>
+									<small style="opacity: 0.7;">{{ file.name }}</small>
+								</div>
+								<div>
+									<MkAcct v-if="file.user" :user="file.user"/>
+									<div v-else>{{ $ts.system }}</div>
+								</div>
+								<div>
+									<span style="margin-right: 1em;">{{ file.type }}</span>
+									<span>{{ bytes(file.size) }}</span>
+								</div>
+								<div>
+									<span>{{ $ts.registeredDate }}: <MkTime :time="file.createdAt" mode="detail"/></span>
+								</div>
+							</div>
+						</button>
+					</MkPagination>
 				</div>
-			</button>
-		</MkPagination>
-	</div>
+			</div>
+		</MkSpacer>
+	</MkStickyContainer>
 </div>
 </template>
 
 <script lang="ts" setup>
 import { computed, defineAsyncComponent } from 'vue';
 import * as Acct from 'misskey-js/built/acct';
+import XHeader from './_header_.vue';
 import MkButton from '@/components/ui/button.vue';
 import MkInput from '@/components/form/input.vue';
 import MkSelect from '@/components/form/select.vue';
@@ -53,8 +61,8 @@ import MkContainer from '@/components/ui/container.vue';
 import MkDriveFileThumbnail from '@/components/drive-file-thumbnail.vue';
 import bytes from '@/filters/bytes';
 import * as os from '@/os';
-import * as symbols from '@/symbols';
 import { i18n } from '@/i18n';
+import { definePageMetadata } from '@/scripts/page-metadata';
 
 let origin = $ref('local');
 let type = $ref(null);
@@ -82,7 +90,7 @@ function clear() {
 }
 
 function show(file) {
-	os.pageWindow(`/admin-file/${file.id}`);
+	os.pageWindow(`/admin/file/${file.id}`);
 }
 
 async function find() {
@@ -104,22 +112,23 @@ async function find() {
 	});
 }
 
-defineExpose({
-	[symbols.PAGE_INFO]: computed(() => ({
-		title: i18n.ts.files,
-		icon: 'fas fa-cloud',
-		bg: 'var(--bg)',
-		actions: [{
-			text: i18n.ts.lookup,
-			icon: 'fas fa-search',
-			handler: find,
-		}, {
-			text: i18n.ts.clearCachedFiles,
-			icon: 'fas fa-trash-alt',
-			handler: clear,
-		}],
-	})),
-});
+const headerActions = $computed(() => [{
+	text: i18n.ts.lookup,
+	icon: 'fas fa-search',
+	handler: find,
+}, {
+	text: i18n.ts.clearCachedFiles,
+	icon: 'fas fa-trash-alt',
+	handler: clear,
+}]);
+
+const headerTabs = $computed(() => []);
+
+definePageMetadata(computed(() => ({
+	title: i18n.ts.files,
+	icon: 'fas fa-cloud',
+	bg: 'var(--bg)',
+})));
 </script>
 
 <style lang="scss" scoped>
diff --git a/packages/client/src/pages/admin/index.vue b/packages/client/src/pages/admin/index.vue
index 9b7fa5678e..5db91101d7 100644
--- a/packages/client/src/pages/admin/index.vue
+++ b/packages/client/src/pages/admin/index.vue
@@ -1,8 +1,6 @@
 <template>
 <div ref="el" class="hiyeyicy" :class="{ wide: !narrow }">
-	<div v-if="!narrow || initialPage == null" class="nav">
-		<MkHeader :info="header"></MkHeader>
-	
+	<div v-if="!narrow || initialPage == null" class="nav">	
 		<MkSpacer :content-max="700" :margin-min="16">
 			<div class="lxpfedzu">
 				<div class="banner">
@@ -17,29 +15,26 @@
 		</MkSpacer>
 	</div>
 	<div v-if="!(narrow && initialPage == null)" class="main">
-		<MkStickyContainer>
-			<template #header><MkHeader v-if="childInfo && !childInfo.hideHeader" :info="childInfo"/></template>
-			<component :is="component" :ref="el => pageChanged(el)" :key="initialPage" v-bind="pageProps"/>
-		</MkStickyContainer>
+		<component :is="component" :key="initialPage" v-bind="pageProps"/>
 	</div>
 </div>
 </template>
 
 <script lang="ts" setup>
-import { defineAsyncComponent, nextTick, onMounted, onUnmounted, provide, watch } from 'vue';
+import { defineAsyncComponent, inject, nextTick, onMounted, onUnmounted, provide, watch } from 'vue';
 import { i18n } from '@/i18n';
 import MkSuperMenu from '@/components/ui/super-menu.vue';
 import MkInfo from '@/components/ui/info.vue';
 import { scroll } from '@/scripts/scroll';
 import { instance } from '@/instance';
-import * as symbols from '@/symbols';
 import * as os from '@/os';
 import { lookupUser } from '@/scripts/lookup-user';
-import { MisskeyNavigator } from '@/scripts/navigate';
+import { useRouter } from '@/router';
+import { definePageMetadata, provideMetadataReceiver, setPageMetadata } from '@/scripts/page-metadata';
 
 const isEmpty = (x: string | null) => x == null || x === '';
 
-const nav = new MisskeyNavigator();
+const router = useRouter();
 
 const indexInfo = {
 	title: i18n.ts.controlPanel,
@@ -224,7 +219,7 @@ watch(component, () => {
 
 watch(() => props.initialPage, () => {
 	if (props.initialPage == null && !narrow) {
-		nav.push('/admin/overview');
+		router.push('/admin/overview');
 	} else {
 		if (props.initialPage == null) {
 			INFO = indexInfo;
@@ -234,7 +229,7 @@ watch(() => props.initialPage, () => {
 
 watch(narrow, () => {
 	if (props.initialPage == null && !narrow) {
-		nav.push('/admin/overview');
+		router.push('/admin/overview');
 	}
 });
 
@@ -243,7 +238,7 @@ onMounted(() => {
 
 	narrow = el.offsetWidth < NARROW_THRESHOLD;
 	if (props.initialPage == null && !narrow) {
-		nav.push('/admin/overview');
+		router.push('/admin/overview');
 	}
 });
 
@@ -251,19 +246,19 @@ onUnmounted(() => {
 	ro.disconnect();
 });
 
-const pageChanged = (page) => {
-	if (page == null) {
+provideMetadataReceiver((info) => {
+	if (info == null) {
 		childInfo = null;
 	} else {
-		childInfo = page[symbols.PAGE_INFO];
+		childInfo = info;
 	}
-};
+});
 
 const invite = () => {
 	os.api('admin/invite').then(x => {
 		os.alert({
 			type: 'info',
-			text: x.code
+			text: x.code,
 		});
 	}).catch(err => {
 		os.alert({
@@ -279,33 +274,38 @@ const lookup = (ev) => {
 		icon: 'fas fa-user',
 		action: () => {
 			lookupUser();
-		}
+		},
 	}, {
 		text: i18n.ts.note,
 		icon: 'fas fa-pencil-alt',
 		action: () => {
 			alert('TODO');
-		}
+		},
 	}, {
 		text: i18n.ts.file,
 		icon: 'fas fa-cloud',
 		action: () => {
 			alert('TODO');
-		}
+		},
 	}, {
 		text: i18n.ts.instance,
 		icon: 'fas fa-globe',
 		action: () => {
 			alert('TODO');
-		}
+		},
 	}], ev.currentTarget ?? ev.target);
 };
 
+const headerActions = $computed(() => []);
+
+const headerTabs = $computed(() => []);
+
+definePageMetadata(INFO);
+
 defineExpose({
-	[symbols.PAGE_INFO]: INFO,
 	header: {
 		title: i18n.ts.controlPanel,
-	}
+	},
 });
 </script>
 
diff --git a/packages/client/src/pages/admin/instance-block.vue b/packages/client/src/pages/admin/instance-block.vue
index 3347846a80..1aec151abb 100644
--- a/packages/client/src/pages/admin/instance-block.vue
+++ b/packages/client/src/pages/admin/instance-block.vue
@@ -1,25 +1,29 @@
 <template>
-<MkSpacer :content-max="700" :margin-min="16" :margin-max="32">
-	<FormSuspense :p="init">
-		<FormTextarea v-model="blockedHosts" class="_formBlock">
-			<span>{{ i18n.ts.blockedInstances }}</span>
-			<template #caption>{{ i18n.ts.blockedInstancesDescription }}</template>
-		</FormTextarea>
+<MkStickyContainer>
+	<template #header><XHeader :actions="headerActions" :tabs="headerTabs"/></template>
+	<MkSpacer :content-max="700" :margin-min="16" :margin-max="32">
+		<FormSuspense :p="init">
+			<FormTextarea v-model="blockedHosts" class="_formBlock">
+				<span>{{ i18n.ts.blockedInstances }}</span>
+				<template #caption>{{ i18n.ts.blockedInstancesDescription }}</template>
+			</FormTextarea>
 
-		<FormButton primary class="_formBlock" @click="save"><i class="fas fa-save"></i> {{ i18n.ts.save }}</FormButton>
-	</FormSuspense>
-</MkSpacer>
+			<FormButton primary class="_formBlock" @click="save"><i class="fas fa-save"></i> {{ i18n.ts.save }}</FormButton>
+		</FormSuspense>
+	</MkSpacer>
+</MkStickyContainer>
 </template>
 
 <script lang="ts" setup>
 import { } from 'vue';
+import XHeader from './_header_.vue';
 import FormButton from '@/components/ui/button.vue';
 import FormTextarea from '@/components/form/textarea.vue';
 import FormSuspense from '@/components/form/suspense.vue';
 import * as os from '@/os';
-import * as symbols from '@/symbols';
 import { fetchInstance } from '@/instance';
 import { i18n } from '@/i18n';
+import { definePageMetadata } from '@/scripts/page-metadata';
 
 let blockedHosts: string = $ref('');
 
@@ -36,11 +40,13 @@ function save() {
 	});
 }
 
-defineExpose({
-	[symbols.PAGE_INFO]: {
-		title: i18n.ts.instanceBlocking,
-		icon: 'fas fa-ban',
-		bg: 'var(--bg)',
-	}
+const headerActions = $computed(() => []);
+
+const headerTabs = $computed(() => []);
+
+definePageMetadata({
+	title: i18n.ts.instanceBlocking,
+	icon: 'fas fa-ban',
+	bg: 'var(--bg)',
 });
 </script>
diff --git a/packages/client/src/pages/admin/integrations.vue b/packages/client/src/pages/admin/integrations.vue
index d6061d0e51..d407d440b9 100644
--- a/packages/client/src/pages/admin/integrations.vue
+++ b/packages/client/src/pages/admin/integrations.vue
@@ -1,5 +1,6 @@
-<template>
-<MkSpacer :content-max="700" :margin-min="16" :margin-max="32">
+<template><MkStickyContainer>
+	<template #header><MkPageHeader :actions="headerActions" :tabs="headerTabs"/></template>
+		<MkSpacer :content-max="700" :margin-min="16" :margin-max="32">
 	<FormSuspense :p="init">
 		<FormFolder class="_formBlock">
 			<template #icon><i class="fab fa-twitter"></i></template>
@@ -20,19 +21,19 @@
 			<XDiscord/>
 		</FormFolder>
 	</FormSuspense>
-</MkSpacer>
+</MkSpacer></MkStickyContainer>
 </template>
 
 <script lang="ts" setup>
 import { } from 'vue';
-import FormFolder from '@/components/form/folder.vue';
-import FormSuspense from '@/components/form/suspense.vue';
 import XTwitter from './integrations.twitter.vue';
 import XGithub from './integrations.github.vue';
 import XDiscord from './integrations.discord.vue';
+import FormSuspense from '@/components/form/suspense.vue';
+import FormFolder from '@/components/form/folder.vue';
 import * as os from '@/os';
-import * as symbols from '@/symbols';
 import { i18n } from '@/i18n';
+import { definePageMetadata } from '@/scripts/page-metadata';
 
 let enableTwitterIntegration: boolean = $ref(false);
 let enableGithubIntegration: boolean = $ref(false);
@@ -45,11 +46,13 @@ async function init() {
 	enableDiscordIntegration = meta.enableDiscordIntegration;
 }
 
-defineExpose({
-	[symbols.PAGE_INFO]: {
-		title: i18n.ts.integration,
-		icon: 'fas fa-share-alt',
-		bg: 'var(--bg)',
-	}
+const headerActions = $computed(() => []);
+
+const headerTabs = $computed(() => []);
+
+definePageMetadata({
+	title: i18n.ts.integration,
+	icon: 'fas fa-share-alt',
+	bg: 'var(--bg)',
 });
 </script>
diff --git a/packages/client/src/pages/admin/object-storage.vue b/packages/client/src/pages/admin/object-storage.vue
index d109db9c38..bae5277f49 100644
--- a/packages/client/src/pages/admin/object-storage.vue
+++ b/packages/client/src/pages/admin/object-storage.vue
@@ -1,72 +1,76 @@
 <template>
-<MkSpacer :content-max="700" :margin-min="16" :margin-max="32">
-	<FormSuspense :p="init">
-		<div class="_formRoot">
-			<FormSwitch v-model="useObjectStorage" class="_formBlock">{{ i18n.ts.useObjectStorage }}</FormSwitch>
+<MkStickyContainer>
+	<template #header><XHeader :actions="headerActions" :tabs="headerTabs"/></template>
+	<MkSpacer :content-max="700" :margin-min="16" :margin-max="32">
+		<FormSuspense :p="init">
+			<div class="_formRoot">
+				<FormSwitch v-model="useObjectStorage" class="_formBlock">{{ i18n.ts.useObjectStorage }}</FormSwitch>
 
-			<template v-if="useObjectStorage">
-				<FormInput v-model="objectStorageBaseUrl" class="_formBlock">
-					<template #label>{{ i18n.ts.objectStorageBaseUrl }}</template>
-					<template #caption>{{ i18n.ts.objectStorageBaseUrlDesc }}</template>
-				</FormInput>
-
-				<FormInput v-model="objectStorageBucket" class="_formBlock">
-					<template #label>{{ i18n.ts.objectStorageBucket }}</template>
-					<template #caption>{{ i18n.ts.objectStorageBucketDesc }}</template>
-				</FormInput>
-
-				<FormInput v-model="objectStoragePrefix" class="_formBlock">
-					<template #label>{{ i18n.ts.objectStoragePrefix }}</template>
-					<template #caption>{{ i18n.ts.objectStoragePrefixDesc }}</template>
-				</FormInput>
+				<template v-if="useObjectStorage">
+					<FormInput v-model="objectStorageBaseUrl" class="_formBlock">
+						<template #label>{{ i18n.ts.objectStorageBaseUrl }}</template>
+						<template #caption>{{ i18n.ts.objectStorageBaseUrlDesc }}</template>
+					</FormInput>
 
-				<FormInput v-model="objectStorageEndpoint" class="_formBlock">
-					<template #label>{{ i18n.ts.objectStorageEndpoint }}</template>
-					<template #caption>{{ i18n.ts.objectStorageEndpointDesc }}</template>
-				</FormInput>
+					<FormInput v-model="objectStorageBucket" class="_formBlock">
+						<template #label>{{ i18n.ts.objectStorageBucket }}</template>
+						<template #caption>{{ i18n.ts.objectStorageBucketDesc }}</template>
+					</FormInput>
 
-				<FormInput v-model="objectStorageRegion" class="_formBlock">
-					<template #label>{{ i18n.ts.objectStorageRegion }}</template>
-					<template #caption>{{ i18n.ts.objectStorageRegionDesc }}</template>
-				</FormInput>
+					<FormInput v-model="objectStoragePrefix" class="_formBlock">
+						<template #label>{{ i18n.ts.objectStoragePrefix }}</template>
+						<template #caption>{{ i18n.ts.objectStoragePrefixDesc }}</template>
+					</FormInput>
 
-				<FormSplit :min-width="280">
-					<FormInput v-model="objectStorageAccessKey" class="_formBlock">
-						<template #prefix><i class="fas fa-key"></i></template>
-						<template #label>Access key</template>
+					<FormInput v-model="objectStorageEndpoint" class="_formBlock">
+						<template #label>{{ i18n.ts.objectStorageEndpoint }}</template>
+						<template #caption>{{ i18n.ts.objectStorageEndpointDesc }}</template>
 					</FormInput>
 
-					<FormInput v-model="objectStorageSecretKey" class="_formBlock">
-						<template #prefix><i class="fas fa-key"></i></template>
-						<template #label>Secret key</template>
+					<FormInput v-model="objectStorageRegion" class="_formBlock">
+						<template #label>{{ i18n.ts.objectStorageRegion }}</template>
+						<template #caption>{{ i18n.ts.objectStorageRegionDesc }}</template>
 					</FormInput>
-				</FormSplit>
 
-				<FormSwitch v-model="objectStorageUseSSL" class="_formBlock">
-					<template #label>{{ i18n.ts.objectStorageUseSSL }}</template>
-					<template #caption>{{ i18n.ts.objectStorageUseSSLDesc }}</template>
-				</FormSwitch>
+					<FormSplit :min-width="280">
+						<FormInput v-model="objectStorageAccessKey" class="_formBlock">
+							<template #prefix><i class="fas fa-key"></i></template>
+							<template #label>Access key</template>
+						</FormInput>
 
-				<FormSwitch v-model="objectStorageUseProxy" class="_formBlock">
-					<template #label>{{ i18n.ts.objectStorageUseProxy }}</template>
-					<template #caption>{{ i18n.ts.objectStorageUseProxyDesc }}</template>
-				</FormSwitch>
+						<FormInput v-model="objectStorageSecretKey" class="_formBlock">
+							<template #prefix><i class="fas fa-key"></i></template>
+							<template #label>Secret key</template>
+						</FormInput>
+					</FormSplit>
 
-				<FormSwitch v-model="objectStorageSetPublicRead" class="_formBlock">
-					<template #label>{{ i18n.ts.objectStorageSetPublicRead }}</template>
-				</FormSwitch>
+					<FormSwitch v-model="objectStorageUseSSL" class="_formBlock">
+						<template #label>{{ i18n.ts.objectStorageUseSSL }}</template>
+						<template #caption>{{ i18n.ts.objectStorageUseSSLDesc }}</template>
+					</FormSwitch>
 
-				<FormSwitch v-model="objectStorageS3ForcePathStyle" class="_formBlock">
-					<template #label>s3ForcePathStyle</template>
-				</FormSwitch>
-			</template>
-		</div>
-	</FormSuspense>
-</MkSpacer>
+					<FormSwitch v-model="objectStorageUseProxy" class="_formBlock">
+						<template #label>{{ i18n.ts.objectStorageUseProxy }}</template>
+						<template #caption>{{ i18n.ts.objectStorageUseProxyDesc }}</template>
+					</FormSwitch>
+
+					<FormSwitch v-model="objectStorageSetPublicRead" class="_formBlock">
+						<template #label>{{ i18n.ts.objectStorageSetPublicRead }}</template>
+					</FormSwitch>
+
+					<FormSwitch v-model="objectStorageS3ForcePathStyle" class="_formBlock">
+						<template #label>s3ForcePathStyle</template>
+					</FormSwitch>
+				</template>
+			</div>
+		</FormSuspense>
+	</MkSpacer>
+</MkStickyContainer>
 </template>
 
 <script lang="ts" setup>
 import { } from 'vue';
+import XHeader from './_header_.vue';
 import FormSwitch from '@/components/form/switch.vue';
 import FormInput from '@/components/form/input.vue';
 import FormGroup from '@/components/form/group.vue';
@@ -74,9 +78,9 @@ import FormSuspense from '@/components/form/suspense.vue';
 import FormSplit from '@/components/form/split.vue';
 import FormSection from '@/components/form/section.vue';
 import * as os from '@/os';
-import * as symbols from '@/symbols';
 import { fetchInstance } from '@/instance';
 import { i18n } from '@/i18n';
+import { definePageMetadata } from '@/scripts/page-metadata';
 
 let useObjectStorage: boolean = $ref(false);
 let objectStorageBaseUrl: string | null = $ref(null);
@@ -129,17 +133,18 @@ function save() {
 	});
 }
 
-defineExpose({
-  [symbols.PAGE_INFO]: {
-		title: i18n.ts.objectStorage,
-		icon: 'fas fa-cloud',
-		bg: 'var(--bg)',
-		actions: [{
-			asFullButton: true,
-			icon: 'fas fa-check',
-			text: i18n.ts.save,
-			handler: save,
-		}],
-	}
+const headerActions = $computed(() => [{
+	asFullButton: true,
+	icon: 'fas fa-check',
+	text: i18n.ts.save,
+	handler: save,
+}]);
+
+const headerTabs = $computed(() => []);
+
+definePageMetadata({
+	title: i18n.ts.objectStorage,
+	icon: 'fas fa-cloud',
+	bg: 'var(--bg)',
 });
 </script>
diff --git a/packages/client/src/pages/admin/other-settings.vue b/packages/client/src/pages/admin/other-settings.vue
index 552b05f347..59b3503c3c 100644
--- a/packages/client/src/pages/admin/other-settings.vue
+++ b/packages/client/src/pages/admin/other-settings.vue
@@ -1,18 +1,22 @@
 <template>
-<MkSpacer :content-max="700" :margin-min="16" :margin-max="32">
-	<FormSuspense :p="init">
-		none
-	</FormSuspense>
-</MkSpacer>
+<MkStickyContainer>
+	<template #header><XHeader :actions="headerActions" :tabs="headerTabs"/></template>
+	<MkSpacer :content-max="700" :margin-min="16" :margin-max="32">
+		<FormSuspense :p="init">
+			none
+		</FormSuspense>
+	</MkSpacer>
+</MkStickyContainer>
 </template>
 
 <script lang="ts" setup>
 import { } from 'vue';
+import XHeader from './_header_.vue';
 import FormSuspense from '@/components/form/suspense.vue';
 import * as os from '@/os';
-import * as symbols from '@/symbols';
 import { fetchInstance } from '@/instance';
 import { i18n } from '@/i18n';
+import { definePageMetadata } from '@/scripts/page-metadata';
 
 async function init() {
 	await os.api('admin/meta');
@@ -24,17 +28,18 @@ function save() {
 	});
 }
 
-defineExpose({
-  [symbols.PAGE_INFO]: {
-		title: i18n.ts.other,
-		icon: 'fas fa-cogs',
-		bg: 'var(--bg)',
-		actions: [{
-			asFullButton: true,
-			icon: 'fas fa-check',
-			text: i18n.ts.save,
-			handler: save,
-		}],
-	}
+const headerActions = $computed(() => [{
+	asFullButton: true,
+	icon: 'fas fa-check',
+	text: i18n.ts.save,
+	handler: save,
+}]);
+
+const headerTabs = $computed(() => []);
+
+definePageMetadata({
+	title: i18n.ts.other,
+	icon: 'fas fa-cogs',
+	bg: 'var(--bg)',
 });
 </script>
diff --git a/packages/client/src/pages/admin/overview.vue b/packages/client/src/pages/admin/overview.vue
index cc69424c3b..82b3c33852 100644
--- a/packages/client/src/pages/admin/overview.vue
+++ b/packages/client/src/pages/admin/overview.vue
@@ -35,7 +35,7 @@
 		</MkContainer>
 	</div>
 
-		<!--<XMetrics/>-->
+	<!--<XMetrics/>-->
 
 	<MkFolder style="margin: var(--margin)">
 		<template #header><i class="fas fa-info-circle"></i> {{ i18n.ts.info }}</template>
@@ -67,6 +67,7 @@
 
 <script lang="ts" setup>
 import { markRaw, version as vueVersion, onMounted, onBeforeUnmount, nextTick } from 'vue';
+import XMetrics from './metrics.vue';
 import MkInstanceStats from '@/components/instance-stats.vue';
 import MkNumberDiff from '@/components/number-diff.vue';
 import MkContainer from '@/components/ui/container.vue';
@@ -74,11 +75,10 @@ import MkFolder from '@/components/ui/folder.vue';
 import MkQueueChart from '@/components/queue-chart.vue';
 import { version, url } from '@/config';
 import number from '@/filters/number';
-import XMetrics from './metrics.vue';
 import * as os from '@/os';
 import { stream } from '@/stream';
-import * as symbols from '@/symbols';
 import { i18n } from '@/i18n';
+import { definePageMetadata } from '@/scripts/page-metadata';
 
 let stats: any = $ref(null);
 let serverInfo: any = $ref(null);
@@ -106,7 +106,7 @@ onMounted(async () => {
 	nextTick(() => {
 		queueStatsConnection.send('requestLog', {
 			id: Math.random().toString().substr(2, 8),
-			length: 200
+			length: 200,
 		});
 	});
 });
@@ -115,12 +115,14 @@ onBeforeUnmount(() => {
 	queueStatsConnection.dispose();
 });
 
-defineExpose({
-	[symbols.PAGE_INFO]: {
-		title: i18n.ts.dashboard,
-		icon: 'fas fa-tachometer-alt',
-		bg: 'var(--bg)',
-	}
+const headerActions = $computed(() => []);
+
+const headerTabs = $computed(() => []);
+
+definePageMetadata({
+	title: i18n.ts.dashboard,
+	icon: 'fas fa-tachometer-alt',
+	bg: 'var(--bg)',
 });
 </script>
 
diff --git a/packages/client/src/pages/admin/proxy-account.vue b/packages/client/src/pages/admin/proxy-account.vue
index 727e20e7e5..0c5bb1bc9f 100644
--- a/packages/client/src/pages/admin/proxy-account.vue
+++ b/packages/client/src/pages/admin/proxy-account.vue
@@ -1,5 +1,6 @@
-<template>
-<MkSpacer :content-max="700" :margin-min="16" :margin-max="32">
+<template><MkStickyContainer>
+	<template #header><MkPageHeader :actions="headerActions" :tabs="headerTabs"/></template>
+		<MkSpacer :content-max="700" :margin-min="16" :margin-max="32">
 	<FormSuspense :p="init">
 		<MkInfo class="_formBlock">{{ i18n.ts.proxyAccountDescription }}</MkInfo>
 		<MkKeyValue class="_formBlock">
@@ -9,7 +10,7 @@
 
 		<FormButton primary class="_formBlock" @click="chooseProxyAccount">{{ i18n.ts.selectAccount }}</FormButton>
 	</FormSuspense>
-</MkSpacer>
+</MkSpacer></MkStickyContainer>
 </template>
 
 <script lang="ts" setup>
@@ -19,9 +20,9 @@ import FormButton from '@/components/ui/button.vue';
 import MkInfo from '@/components/ui/info.vue';
 import FormSuspense from '@/components/form/suspense.vue';
 import * as os from '@/os';
-import * as symbols from '@/symbols';
 import { fetchInstance } from '@/instance';
 import { i18n } from '@/i18n';
+import { definePageMetadata } from '@/scripts/page-metadata';
 
 let proxyAccount: any = $ref(null);
 let proxyAccountId: any = $ref(null);
@@ -50,11 +51,13 @@ function save() {
 	});
 }
 
-defineExpose({
-	[symbols.PAGE_INFO]: {
-		title: i18n.ts.proxyAccount,
-		icon: 'fas fa-ghost',
-		bg: 'var(--bg)',
-	}
+const headerActions = $computed(() => []);
+
+const headerTabs = $computed(() => []);
+
+definePageMetadata({
+	title: i18n.ts.proxyAccount,
+	icon: 'fas fa-ghost',
+	bg: 'var(--bg)',
 });
 </script>
diff --git a/packages/client/src/pages/admin/queue.vue b/packages/client/src/pages/admin/queue.vue
index 656b18199f..c2865525ab 100644
--- a/packages/client/src/pages/admin/queue.vue
+++ b/packages/client/src/pages/admin/queue.vue
@@ -1,24 +1,28 @@
 <template>
-<MkSpacer :content-max="800">
-	<XQueue :connection="connection" domain="inbox">
-		<template #title>In</template>
-	</XQueue>
-	<XQueue :connection="connection" domain="deliver">
-		<template #title>Out</template>
-	</XQueue>
-	<MkButton danger @click="clear()"><i class="fas fa-trash-alt"></i> {{ i18n.ts.clearQueue }}</MkButton>
-</MkSpacer>
+<MkStickyContainer>
+	<template #header><XHeader :actions="headerActions" :tabs="headerTabs"/></template>
+	<MkSpacer :content-max="800">
+		<XQueue :connection="connection" domain="inbox">
+			<template #title>In</template>
+		</XQueue>
+		<XQueue :connection="connection" domain="deliver">
+			<template #title>Out</template>
+		</XQueue>
+		<MkButton danger @click="clear()"><i class="fas fa-trash-alt"></i> {{ i18n.ts.clearQueue }}</MkButton>
+	</MkSpacer>
+</MkStickyContainer>
 </template>
 
 <script lang="ts" setup>
 import { markRaw, onMounted, onBeforeUnmount, nextTick } from 'vue';
-import MkButton from '@/components/ui/button.vue';
 import XQueue from './queue.chart.vue';
+import XHeader from './_header_.vue';
+import MkButton from '@/components/ui/button.vue';
 import * as os from '@/os';
 import { stream } from '@/stream';
-import * as symbols from '@/symbols';
 import * as config from '@/config';
 import { i18n } from '@/i18n';
+import { definePageMetadata } from '@/scripts/page-metadata';
 
 const connection = markRaw(stream.useChannel('queueStats'));
 
@@ -38,7 +42,7 @@ onMounted(() => {
 	nextTick(() => {
 		connection.send('requestLog', {
 			id: Math.random().toString().substr(2, 8),
-			length: 200
+			length: 200,
 		});
 	});
 });
@@ -47,19 +51,20 @@ onBeforeUnmount(() => {
 	connection.dispose();
 });
 
-defineExpose({
-	[symbols.PAGE_INFO]: {
-		title: i18n.ts.jobQueue,
-		icon: 'fas fa-clipboard-list',
-		bg: 'var(--bg)',
-		actions: [{
-			asFullButton: true,
-			icon: 'fas fa-up-right-from-square',
-			text: i18n.ts.dashboard,
-			handler: () => {
-				window.open(config.url + '/queue', '_blank');
-			},
-		}],
-	}
+const headerActions = $computed(() => [{
+	asFullButton: true,
+	icon: 'fas fa-up-right-from-square',
+	text: i18n.ts.dashboard,
+	handler: () => {
+		window.open(config.url + '/queue', '_blank');
+	},
+}]);
+
+const headerTabs = $computed(() => []);
+
+definePageMetadata({
+	title: i18n.ts.jobQueue,
+	icon: 'fas fa-clipboard-list',
+	bg: 'var(--bg)',
 });
 </script>
diff --git a/packages/client/src/pages/admin/relays.vue b/packages/client/src/pages/admin/relays.vue
index 1a36bb4753..1ca4f2df09 100644
--- a/packages/client/src/pages/admin/relays.vue
+++ b/packages/client/src/pages/admin/relays.vue
@@ -1,24 +1,28 @@
 <template>
-<MkSpacer :content-max="800">
-	<div v-for="relay in relays" :key="relay.inbox" class="relaycxt _panel _block" style="padding: 16px;">
-		<div>{{ relay.inbox }}</div>
-		<div class="status">
-			<i v-if="relay.status === 'accepted'" class="fas fa-check icon accepted"></i>
-			<i v-else-if="relay.status === 'rejected'" class="fas fa-ban icon rejected"></i>
-			<i v-else class="fas fa-clock icon requesting"></i>
-			<span>{{ $t(`_relayStatus.${relay.status}`) }}</span>
+<MkStickyContainer>
+	<template #header><XHeader :actions="headerActions" :tabs="headerTabs"/></template>
+	<MkSpacer :content-max="800">
+		<div v-for="relay in relays" :key="relay.inbox" class="relaycxt _panel _block" style="padding: 16px;">
+			<div>{{ relay.inbox }}</div>
+			<div class="status">
+				<i v-if="relay.status === 'accepted'" class="fas fa-check icon accepted"></i>
+				<i v-else-if="relay.status === 'rejected'" class="fas fa-ban icon rejected"></i>
+				<i v-else class="fas fa-clock icon requesting"></i>
+				<span>{{ $t(`_relayStatus.${relay.status}`) }}</span>
+			</div>
+			<MkButton class="button" inline danger @click="remove(relay.inbox)"><i class="fas fa-trash-alt"></i> {{ i18n.ts.remove }}</MkButton>
 		</div>
-		<MkButton class="button" inline danger @click="remove(relay.inbox)"><i class="fas fa-trash-alt"></i> {{ i18n.ts.remove }}</MkButton>
-	</div>
-</MkSpacer>
+	</MkSpacer>
+</MkStickyContainer>
 </template>
 
 <script lang="ts" setup>
 import { } from 'vue';
+import XHeader from './_header_.vue';
 import MkButton from '@/components/ui/button.vue';
 import * as os from '@/os';
-import * as symbols from '@/symbols';
 import { i18n } from '@/i18n';
+import { definePageMetadata } from '@/scripts/page-metadata';
 
 let relays: any[] = $ref([]);
 
@@ -26,30 +30,30 @@ async function addRelay() {
 	const { canceled, result: inbox } = await os.inputText({
 		title: i18n.ts.addRelay,
 		type: 'url',
-		placeholder: i18n.ts.inboxUrl
+		placeholder: i18n.ts.inboxUrl,
 	});
 	if (canceled) return;
 	os.api('admin/relays/add', {
-		inbox
+		inbox,
 	}).then((relay: any) => {
 		refresh();
 	}).catch((err: any) => {
 		os.alert({
 			type: 'error',
-			text: err.message || err
+			text: err.message || err,
 		});
 	});
 }
 
 function remove(inbox: string) {
 	os.api('admin/relays/remove', {
-		inbox
+		inbox,
 	}).then(() => {
 		refresh();
 	}).catch((err: any) => {
 		os.alert({
 			type: 'error',
-			text: err.message || err
+			text: err.message || err,
 		});
 	});
 }
@@ -62,18 +66,19 @@ function refresh() {
 
 refresh();
 
-defineExpose({
-	[symbols.PAGE_INFO]: {
-		title: i18n.ts.relays,
-		icon: 'fas fa-globe',
-		bg: 'var(--bg)',
-		actions: [{
-			asFullButton: true,
-			icon: 'fas fa-plus',
-			text: i18n.ts.addRelay,
-			handler: addRelay,
-		}],
-	}
+const headerActions = $computed(() => [{
+	asFullButton: true,
+	icon: 'fas fa-plus',
+	text: i18n.ts.addRelay,
+	handler: addRelay,
+}]);
+
+const headerTabs = $computed(() => []);
+
+definePageMetadata({
+	title: i18n.ts.relays,
+	icon: 'fas fa-globe',
+	bg: 'var(--bg)',
 });
 </script>
 
diff --git a/packages/client/src/pages/admin/security.vue b/packages/client/src/pages/admin/security.vue
index 6b8f70cca5..65b08565cd 100644
--- a/packages/client/src/pages/admin/security.vue
+++ b/packages/client/src/pages/admin/security.vue
@@ -1,36 +1,41 @@
 <template>
-<MkSpacer :content-max="700" :margin-min="16" :margin-max="32">
-	<FormSuspense :p="init">
-		<div class="_formRoot">
-			<FormFolder class="_formBlock">
-				<template #icon><i class="fas fa-shield-alt"></i></template>
-				<template #label>{{ i18n.ts.botProtection }}</template>
-				<template v-if="enableHcaptcha" #suffix>hCaptcha</template>
-				<template v-else-if="enableRecaptcha" #suffix>reCAPTCHA</template>
-				<template v-else #suffix>{{ i18n.ts.none }} ({{ i18n.ts.notRecommended }})</template>
+<MkStickyContainer>
+	<template #header><XHeader :actions="headerActions" :tabs="headerTabs"/></template>
+	<MkSpacer :content-max="700" :margin-min="16" :margin-max="32">
+		<FormSuspense :p="init">
+			<div class="_formRoot">
+				<FormFolder class="_formBlock">
+					<template #icon><i class="fas fa-shield-alt"></i></template>
+					<template #label>{{ i18n.ts.botProtection }}</template>
+					<template v-if="enableHcaptcha" #suffix>hCaptcha</template>
+					<template v-else-if="enableRecaptcha" #suffix>reCAPTCHA</template>
+					<template v-else #suffix>{{ i18n.ts.none }} ({{ i18n.ts.notRecommended }})</template>
 
-				<XBotProtection/>
-			</FormFolder>
+					<XBotProtection/>
+				</FormFolder>
 
-			<FormFolder class="_formBlock">
-				<template #label>Summaly Proxy</template>
+				<FormFolder class="_formBlock">
+					<template #label>Summaly Proxy</template>
 
-				<div class="_formRoot">
-					<FormInput v-model="summalyProxy" class="_formBlock">
-						<template #prefix><i class="fas fa-link"></i></template>
-						<template #label>Summaly Proxy URL</template>
-					</FormInput>
+					<div class="_formRoot">
+						<FormInput v-model="summalyProxy" class="_formBlock">
+							<template #prefix><i class="fas fa-link"></i></template>
+							<template #label>Summaly Proxy URL</template>
+						</FormInput>
 
-					<FormButton primary class="_formBlock" @click="save"><i class="fas fa-save"></i> {{ i18n.ts.save }}</FormButton>
-				</div>
-			</FormFolder>
-		</div>
-	</FormSuspense>
-</MkSpacer>
+						<FormButton primary class="_formBlock" @click="save"><i class="fas fa-save"></i> {{ i18n.ts.save }}</FormButton>
+					</div>
+				</FormFolder>
+			</div>
+		</FormSuspense>
+	</MkSpacer>
+</MkStickyContainer>
 </template>
 
 <script lang="ts" setup>
 import { } from 'vue';
+import XBotProtection from './bot-protection.vue';
+import XHeader from './_header_.vue';
 import FormFolder from '@/components/form/folder.vue';
 import FormSwitch from '@/components/form/switch.vue';
 import FormInfo from '@/components/ui/info.vue';
@@ -38,11 +43,10 @@ import FormSuspense from '@/components/form/suspense.vue';
 import FormSection from '@/components/form/section.vue';
 import FormInput from '@/components/form/input.vue';
 import FormButton from '@/components/ui/button.vue';
-import XBotProtection from './bot-protection.vue';
 import * as os from '@/os';
-import * as symbols from '@/symbols';
 import { fetchInstance } from '@/instance';
 import { i18n } from '@/i18n';
+import { definePageMetadata } from '@/scripts/page-metadata';
 
 let summalyProxy: string = $ref('');
 let enableHcaptcha: boolean = $ref(false);
@@ -63,11 +67,13 @@ function save() {
 	});
 }
 
-defineExpose({
-	[symbols.PAGE_INFO]: {
-		title: i18n.ts.security,
-		icon: 'fas fa-lock',
-		bg: 'var(--bg)',
-	}
+const headerActions = $computed(() => []);
+
+const headerTabs = $computed(() => []);
+
+definePageMetadata({
+	title: i18n.ts.security,
+	icon: 'fas fa-lock',
+	bg: 'var(--bg)',
 });
 </script>
diff --git a/packages/client/src/pages/admin/settings.vue b/packages/client/src/pages/admin/settings.vue
index 6dc30fe50b..a5767cc2c2 100644
--- a/packages/client/src/pages/admin/settings.vue
+++ b/packages/client/src/pages/admin/settings.vue
@@ -1,149 +1,155 @@
 <template>
-<MkSpacer :content-max="700" :margin-min="16" :margin-max="32">
-	<FormSuspense :p="init">
-		<div class="_formRoot">
-			<FormInput v-model="name" class="_formBlock">
-				<template #label>{{ i18n.ts.instanceName }}</template>
-			</FormInput>
+<div>
+	<MkStickyContainer>
+		<template #header><XHeader :actions="headerActions" :tabs="headerTabs"/></template>
+		<MkSpacer :content-max="700" :margin-min="16" :margin-max="32">
+			<FormSuspense :p="init">
+				<div class="_formRoot">
+					<FormInput v-model="name" class="_formBlock">
+						<template #label>{{ i18n.ts.instanceName }}</template>
+					</FormInput>
 
-			<FormTextarea v-model="description" class="_formBlock">
-				<template #label>{{ i18n.ts.instanceDescription }}</template>
-			</FormTextarea>
+					<FormTextarea v-model="description" class="_formBlock">
+						<template #label>{{ i18n.ts.instanceDescription }}</template>
+					</FormTextarea>
 
-			<FormInput v-model="tosUrl" class="_formBlock">
-				<template #prefix><i class="fas fa-link"></i></template>
-				<template #label>{{ i18n.ts.tosUrl }}</template>
-			</FormInput>
+					<FormInput v-model="tosUrl" class="_formBlock">
+						<template #prefix><i class="fas fa-link"></i></template>
+						<template #label>{{ i18n.ts.tosUrl }}</template>
+					</FormInput>
 
-			<FormSplit :min-width="300">
-				<FormInput v-model="maintainerName" class="_formBlock">
-					<template #label>{{ i18n.ts.maintainerName }}</template>
-				</FormInput>
+					<FormSplit :min-width="300">
+						<FormInput v-model="maintainerName" class="_formBlock">
+							<template #label>{{ i18n.ts.maintainerName }}</template>
+						</FormInput>
 
-				<FormInput v-model="maintainerEmail" type="email" class="_formBlock">
-					<template #prefix><i class="fas fa-envelope"></i></template>
-					<template #label>{{ i18n.ts.maintainerEmail }}</template>
-				</FormInput>
-			</FormSplit>
+						<FormInput v-model="maintainerEmail" type="email" class="_formBlock">
+							<template #prefix><i class="fas fa-envelope"></i></template>
+							<template #label>{{ i18n.ts.maintainerEmail }}</template>
+						</FormInput>
+					</FormSplit>
 
-			<FormTextarea v-model="pinnedUsers" class="_formBlock">
-				<template #label>{{ i18n.ts.pinnedUsers }}</template>
-				<template #caption>{{ i18n.ts.pinnedUsersDescription }}</template>
-			</FormTextarea>
+					<FormTextarea v-model="pinnedUsers" class="_formBlock">
+						<template #label>{{ i18n.ts.pinnedUsers }}</template>
+						<template #caption>{{ i18n.ts.pinnedUsersDescription }}</template>
+					</FormTextarea>
 
-			<FormSection>
-				<FormSwitch v-model="enableRegistration" class="_formBlock">
-					<template #label>{{ i18n.ts.enableRegistration }}</template>
-				</FormSwitch>
+					<FormSection>
+						<FormSwitch v-model="enableRegistration" class="_formBlock">
+							<template #label>{{ i18n.ts.enableRegistration }}</template>
+						</FormSwitch>
 
-				<FormSwitch v-model="emailRequiredForSignup" class="_formBlock">
-					<template #label>{{ i18n.ts.emailRequiredForSignup }}</template>
-				</FormSwitch>
-			</FormSection>
+						<FormSwitch v-model="emailRequiredForSignup" class="_formBlock">
+							<template #label>{{ i18n.ts.emailRequiredForSignup }}</template>
+						</FormSwitch>
+					</FormSection>
 
-			<FormSection>
-				<FormSwitch v-model="enableLocalTimeline" class="_formBlock">{{ i18n.ts.enableLocalTimeline }}</FormSwitch>
-				<FormSwitch v-model="enableGlobalTimeline" class="_formBlock">{{ i18n.ts.enableGlobalTimeline }}</FormSwitch>
-				<FormInfo class="_formBlock">{{ i18n.ts.disablingTimelinesInfo }}</FormInfo>
-			</FormSection>
+					<FormSection>
+						<FormSwitch v-model="enableLocalTimeline" class="_formBlock">{{ i18n.ts.enableLocalTimeline }}</FormSwitch>
+						<FormSwitch v-model="enableGlobalTimeline" class="_formBlock">{{ i18n.ts.enableGlobalTimeline }}</FormSwitch>
+						<FormInfo class="_formBlock">{{ i18n.ts.disablingTimelinesInfo }}</FormInfo>
+					</FormSection>
 
-			<FormSection>
-				<template #label>{{ i18n.ts.theme }}</template>
+					<FormSection>
+						<template #label>{{ i18n.ts.theme }}</template>
 
-				<FormInput v-model="iconUrl" class="_formBlock">
-					<template #prefix><i class="fas fa-link"></i></template>
-					<template #label>{{ i18n.ts.iconUrl }}</template>
-				</FormInput>
+						<FormInput v-model="iconUrl" class="_formBlock">
+							<template #prefix><i class="fas fa-link"></i></template>
+							<template #label>{{ i18n.ts.iconUrl }}</template>
+						</FormInput>
 
-				<FormInput v-model="bannerUrl" class="_formBlock">
-					<template #prefix><i class="fas fa-link"></i></template>
-					<template #label>{{ i18n.ts.bannerUrl }}</template>
-				</FormInput>
+						<FormInput v-model="bannerUrl" class="_formBlock">
+							<template #prefix><i class="fas fa-link"></i></template>
+							<template #label>{{ i18n.ts.bannerUrl }}</template>
+						</FormInput>
 
-				<FormInput v-model="backgroundImageUrl" class="_formBlock">
-					<template #prefix><i class="fas fa-link"></i></template>
-					<template #label>{{ i18n.ts.backgroundImageUrl }}</template>
-				</FormInput>
+						<FormInput v-model="backgroundImageUrl" class="_formBlock">
+							<template #prefix><i class="fas fa-link"></i></template>
+							<template #label>{{ i18n.ts.backgroundImageUrl }}</template>
+						</FormInput>
 
-				<FormInput v-model="themeColor" class="_formBlock">
-					<template #prefix><i class="fas fa-palette"></i></template>
-					<template #label>{{ i18n.ts.themeColor }}</template>
-					<template #caption>#RRGGBB</template>
-				</FormInput>
+						<FormInput v-model="themeColor" class="_formBlock">
+							<template #prefix><i class="fas fa-palette"></i></template>
+							<template #label>{{ i18n.ts.themeColor }}</template>
+							<template #caption>#RRGGBB</template>
+						</FormInput>
 
-				<FormTextarea v-model="defaultLightTheme" class="_formBlock">
-					<template #label>{{ i18n.ts.instanceDefaultLightTheme }}</template>
-					<template #caption>{{ i18n.ts.instanceDefaultThemeDescription }}</template>
-				</FormTextarea>
+						<FormTextarea v-model="defaultLightTheme" class="_formBlock">
+							<template #label>{{ i18n.ts.instanceDefaultLightTheme }}</template>
+							<template #caption>{{ i18n.ts.instanceDefaultThemeDescription }}</template>
+						</FormTextarea>
 
-				<FormTextarea v-model="defaultDarkTheme" class="_formBlock">
-					<template #label>{{ i18n.ts.instanceDefaultDarkTheme }}</template>
-					<template #caption>{{ i18n.ts.instanceDefaultThemeDescription }}</template>
-				</FormTextarea>
-			</FormSection>
+						<FormTextarea v-model="defaultDarkTheme" class="_formBlock">
+							<template #label>{{ i18n.ts.instanceDefaultDarkTheme }}</template>
+							<template #caption>{{ i18n.ts.instanceDefaultThemeDescription }}</template>
+						</FormTextarea>
+					</FormSection>
 
-			<FormSection>
-				<template #label>{{ i18n.ts.files }}</template>
+					<FormSection>
+						<template #label>{{ i18n.ts.files }}</template>
 
-				<FormSwitch v-model="cacheRemoteFiles" class="_formBlock">
-					<template #label>{{ i18n.ts.cacheRemoteFiles }}</template>
-					<template #caption>{{ i18n.ts.cacheRemoteFilesDescription }}</template>
-				</FormSwitch>
+						<FormSwitch v-model="cacheRemoteFiles" class="_formBlock">
+							<template #label>{{ i18n.ts.cacheRemoteFiles }}</template>
+							<template #caption>{{ i18n.ts.cacheRemoteFilesDescription }}</template>
+						</FormSwitch>
 
-				<FormSplit :min-width="280">
-					<FormInput v-model="localDriveCapacityMb" type="number" class="_formBlock">
-						<template #label>{{ i18n.ts.driveCapacityPerLocalAccount }}</template>
-						<template #suffix>MB</template>
-						<template #caption>{{ i18n.ts.inMb }}</template>
-					</FormInput>
+						<FormSplit :min-width="280">
+							<FormInput v-model="localDriveCapacityMb" type="number" class="_formBlock">
+								<template #label>{{ i18n.ts.driveCapacityPerLocalAccount }}</template>
+								<template #suffix>MB</template>
+								<template #caption>{{ i18n.ts.inMb }}</template>
+							</FormInput>
 
-					<FormInput v-model="remoteDriveCapacityMb" type="number" :disabled="!cacheRemoteFiles" class="_formBlock">
-						<template #label>{{ i18n.ts.driveCapacityPerRemoteAccount }}</template>
-						<template #suffix>MB</template>
-						<template #caption>{{ i18n.ts.inMb }}</template>
-					</FormInput>
-				</FormSplit>
-			</FormSection>
+							<FormInput v-model="remoteDriveCapacityMb" type="number" :disabled="!cacheRemoteFiles" class="_formBlock">
+								<template #label>{{ i18n.ts.driveCapacityPerRemoteAccount }}</template>
+								<template #suffix>MB</template>
+								<template #caption>{{ i18n.ts.inMb }}</template>
+							</FormInput>
+						</FormSplit>
+					</FormSection>
 
-			<FormSection>
-				<template #label>ServiceWorker</template>
+					<FormSection>
+						<template #label>ServiceWorker</template>
 
-				<FormSwitch v-model="enableServiceWorker" class="_formBlock">
-					<template #label>{{ i18n.ts.enableServiceworker }}</template>
-					<template #caption>{{ i18n.ts.serviceworkerInfo }}</template>
-				</FormSwitch>
+						<FormSwitch v-model="enableServiceWorker" class="_formBlock">
+							<template #label>{{ i18n.ts.enableServiceworker }}</template>
+							<template #caption>{{ i18n.ts.serviceworkerInfo }}</template>
+						</FormSwitch>
 
-				<template v-if="enableServiceWorker">
-					<FormInput v-model="swPublicKey" class="_formBlock">
-						<template #prefix><i class="fas fa-key"></i></template>
-						<template #label>Public key</template>
-					</FormInput>
+						<template v-if="enableServiceWorker">
+							<FormInput v-model="swPublicKey" class="_formBlock">
+								<template #prefix><i class="fas fa-key"></i></template>
+								<template #label>Public key</template>
+							</FormInput>
 
-					<FormInput v-model="swPrivateKey" class="_formBlock">
-						<template #prefix><i class="fas fa-key"></i></template>
-						<template #label>Private key</template>
-					</FormInput>
-				</template>
-			</FormSection>
+							<FormInput v-model="swPrivateKey" class="_formBlock">
+								<template #prefix><i class="fas fa-key"></i></template>
+								<template #label>Private key</template>
+							</FormInput>
+						</template>
+					</FormSection>
 
-			<FormSection>
-				<template #label>DeepL Translation</template>
+					<FormSection>
+						<template #label>DeepL Translation</template>
 
-				<FormInput v-model="deeplAuthKey" class="_formBlock">
-					<template #prefix><i class="fas fa-key"></i></template>
-					<template #label>DeepL Auth Key</template>
-				</FormInput>
-				<FormSwitch v-model="deeplIsPro" class="_formBlock">
-					<template #label>Pro account</template>
-				</FormSwitch>
-			</FormSection>
-		</div>
-	</FormSuspense>
-</MkSpacer>
+						<FormInput v-model="deeplAuthKey" class="_formBlock">
+							<template #prefix><i class="fas fa-key"></i></template>
+							<template #label>DeepL Auth Key</template>
+						</FormInput>
+						<FormSwitch v-model="deeplIsPro" class="_formBlock">
+							<template #label>Pro account</template>
+						</FormSwitch>
+					</FormSection>
+				</div>
+			</FormSuspense>
+		</MkSpacer>
+	</MkStickyContainer>
+</div>
 </template>
 
 <script lang="ts" setup>
 import { } from 'vue';
+import XHeader from './_header_.vue';
 import FormSwitch from '@/components/form/switch.vue';
 import FormInput from '@/components/form/input.vue';
 import FormTextarea from '@/components/form/textarea.vue';
@@ -152,9 +158,9 @@ import FormSection from '@/components/form/section.vue';
 import FormSplit from '@/components/form/split.vue';
 import FormSuspense from '@/components/form/suspense.vue';
 import * as os from '@/os';
-import * as symbols from '@/symbols';
 import { fetchInstance } from '@/instance';
 import { i18n } from '@/i18n';
+import { definePageMetadata } from '@/scripts/page-metadata';
 
 let name: string | null = $ref(null);
 let description: string | null = $ref(null);
@@ -240,17 +246,18 @@ function save() {
 	});
 }
 
-defineExpose({
-	[symbols.PAGE_INFO]: {
-		title: i18n.ts.general,
-		icon: 'fas fa-cog',
-		bg: 'var(--bg)',
-		actions: [{
-			asFullButton: true,
-			icon: 'fas fa-check',
-			text: i18n.ts.save,
-			handler: save,
-		}],
-	}
+const headerActions = $computed(() => [{
+	asFullButton: true,
+	icon: 'fas fa-check',
+	text: i18n.ts.save,
+	handler: save,
+}]);
+
+const headerTabs = $computed(() => []);
+
+definePageMetadata({
+	title: i18n.ts.general,
+	icon: 'fas fa-cog',
+	bg: 'var(--bg)',
 });
 </script>
diff --git a/packages/client/src/pages/admin/users.vue b/packages/client/src/pages/admin/users.vue
index f05aa5ff45..dccf952ba9 100644
--- a/packages/client/src/pages/admin/users.vue
+++ b/packages/client/src/pages/admin/users.vue
@@ -1,76 +1,84 @@
 <template>
-<div class="lknzcolw">
-	<div class="users">
-		<div class="inputs">
-			<MkSelect v-model="sort" style="flex: 1;">
-				<template #label>{{ $ts.sort }}</template>
-				<option value="-createdAt">{{ $ts.registeredDate }} ({{ $ts.ascendingOrder }})</option>
-				<option value="+createdAt">{{ $ts.registeredDate }} ({{ $ts.descendingOrder }})</option>
-				<option value="-updatedAt">{{ $ts.lastUsed }} ({{ $ts.ascendingOrder }})</option>
-				<option value="+updatedAt">{{ $ts.lastUsed }} ({{ $ts.descendingOrder }})</option>
-			</MkSelect>
-			<MkSelect v-model="state" style="flex: 1;">
-				<template #label>{{ $ts.state }}</template>
-				<option value="all">{{ $ts.all }}</option>
-				<option value="available">{{ $ts.normal }}</option>
-				<option value="admin">{{ $ts.administrator }}</option>
-				<option value="moderator">{{ $ts.moderator }}</option>
-				<option value="silenced">{{ $ts.silence }}</option>
-				<option value="suspended">{{ $ts.suspend }}</option>
-			</MkSelect>
-			<MkSelect v-model="origin" style="flex: 1;">
-				<template #label>{{ $ts.instance }}</template>
-				<option value="combined">{{ $ts.all }}</option>
-				<option value="local">{{ $ts.local }}</option>
-				<option value="remote">{{ $ts.remote }}</option>
-			</MkSelect>
-		</div>
-		<div class="inputs">
-			<MkInput v-model="searchUsername" style="flex: 1;" type="text" spellcheck="false" @update:modelValue="$refs.users.reload()">
-				<template #prefix>@</template>
-				<template #label>{{ $ts.username }}</template>
-			</MkInput>
-			<MkInput v-model="searchHost" style="flex: 1;" type="text" spellcheck="false" :disabled="pagination.params.origin === 'local'" @update:modelValue="$refs.users.reload()">
-				<template #prefix>@</template>
-				<template #label>{{ $ts.host }}</template>
-			</MkInput>
-		</div>
-
-		<MkPagination v-slot="{items}" ref="paginationComponent" :pagination="pagination" class="users">
-			<button v-for="user in items" :key="user.id" class="user _panel _button _gap" @click="show(user)">
-				<MkAvatar class="avatar" :user="user" :disable-link="true" :show-indicator="true"/>
-				<div class="body">
-					<header>
-						<MkUserName class="name" :user="user"/>
-						<span class="acct">@{{ acct(user) }}</span>
-						<span v-if="user.isAdmin" class="staff"><i class="fas fa-bookmark"></i></span>
-						<span v-if="user.isModerator" class="staff"><i class="far fa-bookmark"></i></span>
-						<span v-if="user.isSilenced" class="punished"><i class="fas fa-microphone-slash"></i></span>
-						<span v-if="user.isSuspended" class="punished"><i class="fas fa-snowflake"></i></span>
-					</header>
-					<div>
-						<span>{{ $ts.lastUsed }}: <MkTime v-if="user.updatedAt" :time="user.updatedAt" mode="detail"/></span>
+<div>
+	<MkStickyContainer>
+		<template #header><XHeader :actions="headerActions" :tabs="headerTabs"/></template>
+		<MkSpacer :content-max="900">
+			<div class="lknzcolw">
+				<div class="users">
+					<div class="inputs">
+						<MkSelect v-model="sort" style="flex: 1;">
+							<template #label>{{ $ts.sort }}</template>
+							<option value="-createdAt">{{ $ts.registeredDate }} ({{ $ts.ascendingOrder }})</option>
+							<option value="+createdAt">{{ $ts.registeredDate }} ({{ $ts.descendingOrder }})</option>
+							<option value="-updatedAt">{{ $ts.lastUsed }} ({{ $ts.ascendingOrder }})</option>
+							<option value="+updatedAt">{{ $ts.lastUsed }} ({{ $ts.descendingOrder }})</option>
+						</MkSelect>
+						<MkSelect v-model="state" style="flex: 1;">
+							<template #label>{{ $ts.state }}</template>
+							<option value="all">{{ $ts.all }}</option>
+							<option value="available">{{ $ts.normal }}</option>
+							<option value="admin">{{ $ts.administrator }}</option>
+							<option value="moderator">{{ $ts.moderator }}</option>
+							<option value="silenced">{{ $ts.silence }}</option>
+							<option value="suspended">{{ $ts.suspend }}</option>
+						</MkSelect>
+						<MkSelect v-model="origin" style="flex: 1;">
+							<template #label>{{ $ts.instance }}</template>
+							<option value="combined">{{ $ts.all }}</option>
+							<option value="local">{{ $ts.local }}</option>
+							<option value="remote">{{ $ts.remote }}</option>
+						</MkSelect>
 					</div>
-					<div>
-						<span>{{ $ts.registeredDate }}: <MkTime :time="user.createdAt" mode="detail"/></span>
+					<div class="inputs">
+						<MkInput v-model="searchUsername" style="flex: 1;" type="text" spellcheck="false" @update:modelValue="$refs.users.reload()">
+							<template #prefix>@</template>
+							<template #label>{{ $ts.username }}</template>
+						</MkInput>
+						<MkInput v-model="searchHost" style="flex: 1;" type="text" spellcheck="false" :disabled="pagination.params.origin === 'local'" @update:modelValue="$refs.users.reload()">
+							<template #prefix>@</template>
+							<template #label>{{ $ts.host }}</template>
+						</MkInput>
 					</div>
+
+					<MkPagination v-slot="{items}" ref="paginationComponent" :pagination="pagination" class="users">
+						<button v-for="user in items" :key="user.id" class="user _panel _button _gap" @click="show(user)">
+							<MkAvatar class="avatar" :user="user" :disable-link="true" :show-indicator="true"/>
+							<div class="body">
+								<header>
+									<MkUserName class="name" :user="user"/>
+									<span class="acct">@{{ acct(user) }}</span>
+									<span v-if="user.isAdmin" class="staff"><i class="fas fa-bookmark"></i></span>
+									<span v-if="user.isModerator" class="staff"><i class="far fa-bookmark"></i></span>
+									<span v-if="user.isSilenced" class="punished"><i class="fas fa-microphone-slash"></i></span>
+									<span v-if="user.isSuspended" class="punished"><i class="fas fa-snowflake"></i></span>
+								</header>
+								<div>
+									<span>{{ $ts.lastUsed }}: <MkTime v-if="user.updatedAt" :time="user.updatedAt" mode="detail"/></span>
+								</div>
+								<div>
+									<span>{{ $ts.registeredDate }}: <MkTime :time="user.createdAt" mode="detail"/></span>
+								</div>
+							</div>
+						</button>
+					</MkPagination>
 				</div>
-			</button>
-		</MkPagination>
-	</div>
+			</div>
+		</MkSpacer>
+	</MkStickyContainer>
 </div>
 </template>
 
 <script lang="ts" setup>
 import { computed } from 'vue';
+import XHeader from './_header_.vue';
 import MkInput from '@/components/form/input.vue';
 import MkSelect from '@/components/form/select.vue';
 import MkPagination from '@/components/ui/pagination.vue';
 import { acct } from '@/filters/user';
 import * as os from '@/os';
-import * as symbols from '@/symbols';
 import { lookupUser } from '@/scripts/lookup-user';
 import { i18n } from '@/i18n';
+import { definePageMetadata } from '@/scripts/page-metadata';
 
 let paginationComponent = $ref<InstanceType<typeof MkPagination>>();
 
@@ -89,7 +97,7 @@ const pagination = {
 		username: searchUsername,
 		hostname: searchHost,
 	})),
-	offsetMode: true
+	offsetMode: true,
 };
 
 function searchUser() {
@@ -106,7 +114,7 @@ async function addUser() {
 
 	const { canceled: canceled2, result: password } = await os.inputText({
 		title: i18n.ts.password,
-		type: 'password'
+		type: 'password',
 	});
 	if (canceled2) return;
 
@@ -122,34 +130,34 @@ function show(user) {
 	os.pageWindow(`/user-info/${user.id}`);
 }
 
-defineExpose({
-	[symbols.PAGE_INFO]: computed(() => ({
-		title: i18n.ts.users,
-		icon: 'fas fa-users',
-		bg: 'var(--bg)',
-		actions: [{
-			icon: 'fas fa-search',
-			text: i18n.ts.search,
-			handler: searchUser
-		}, {
-			asFullButton: true,
-			icon: 'fas fa-plus',
-			text: i18n.ts.addUser,
-			handler: addUser
-		}, {
-			asFullButton: true,
-			icon: 'fas fa-search',
-			text: i18n.ts.lookup,
-			handler: lookupUser
-		}],
-	})),
-});
+const headerActions = $computed(() => [{
+	icon: 'fas fa-search',
+	text: i18n.ts.search,
+	handler: searchUser,
+}, {
+	asFullButton: true,
+	icon: 'fas fa-plus',
+	text: i18n.ts.addUser,
+	handler: addUser,
+}, {
+	asFullButton: true,
+	icon: 'fas fa-search',
+	text: i18n.ts.lookup,
+	handler: lookupUser,
+}]);
+
+const headerTabs = $computed(() => []);
+
+definePageMetadata(computed(() => ({
+	title: i18n.ts.users,
+	icon: 'fas fa-users',
+	bg: 'var(--bg)',
+})));
 </script>
 
 <style lang="scss" scoped>
 .lknzcolw {
 	> .users {
-		margin: var(--margin);
 
 		> .inputs {
 			display: flex;