diff --git a/packages/client/src/account.ts b/packages/client/src/account.ts
index 5844c5bd..5859bdea 100644
--- a/packages/client/src/account.ts
+++ b/packages/client/src/account.ts
@@ -12,10 +12,6 @@ import { reloadChannel, unisonReload } from "@/scripts/unison-reload";
 
 export type Account = firefish.entities.MeDetailed;
 
-export const iAmModerator = $i != null && ($i.isAdmin || $i.isModerator);
-export const iAmAdmin = $i?.isAdmin;
-export const iAmEmojiMod = iAmModerator || $i?.emojiModPerm !== "unauthorized";
-
 export async function signout() {
 	waiting();
 	localStorage.removeItem("account");
diff --git a/packages/client/src/components/MkFollowButton.vue b/packages/client/src/components/MkFollowButton.vue
index 50a2cc12..f52a685e 100644
--- a/packages/client/src/components/MkFollowButton.vue
+++ b/packages/client/src/components/MkFollowButton.vue
@@ -8,7 +8,7 @@
 		<i :class="icon('ph-dots-three-outline')"></i>
 	</button>
 	<button
-		v-if="!hideFollowButton && $i != null && $i.id != user.id"
+		v-if="!hideFollowButton && isSignedIn && $i.id != user.id"
 		v-tooltip="full ? null : `${state} ${user.name || user.username}`"
 		class="kpoogebi _button follow-button"
 		:class="{
@@ -66,7 +66,7 @@ import type * as firefish from "firefish-js";
 import * as os from "@/os";
 import { useStream } from "@/stream";
 import { i18n } from "@/i18n";
-import { $i } from "@/reactiveAccount";
+import { $i, isSignedIn } from "@/reactiveAccount";
 import { getUserMenu } from "@/scripts/get-user-menu";
 import { useRouter } from "@/router";
 import { vibrate } from "@/scripts/vibrate";
diff --git a/packages/client/src/components/MkMention.vue b/packages/client/src/components/MkMention.vue
index b113d9cb..dd2c2e56 100644
--- a/packages/client/src/components/MkMention.vue
+++ b/packages/client/src/components/MkMention.vue
@@ -35,9 +35,8 @@
 
 <script lang="ts" setup>
 import { toUnicode } from "punycode";
-import {} from "vue";
 import { host as localHost } from "@/config";
-import { $i } from "@/reactiveAccount";
+import { $i, isSignedIn } from "@/reactiveAccount";
 import { defaultStore } from "@/store";
 
 const props = defineProps<{
@@ -53,7 +52,7 @@ const canonical =
 const url = `/${canonical}`;
 
 const isMe =
-	$i &&
+	isSignedIn &&
 	`@${props.username}@${toUnicode(props.host)}` ===
 		`@${$i.username}@${toUnicode(localHost)}`.toLowerCase();
 </script>
diff --git a/packages/client/src/components/MkNote.vue b/packages/client/src/components/MkNote.vue
index 11edeb5a..7c188047 100644
--- a/packages/client/src/components/MkNote.vue
+++ b/packages/client/src/components/MkNote.vue
@@ -225,7 +225,7 @@
 					<XQuoteButton class="button" :note="appearNote" />
 					<button
 						v-if="
-							$i != null &&
+							isSignedIn &&
 							isForeignLanguage &&
 							translation == null
 						"
@@ -294,7 +294,7 @@ import { userPage } from "@/filters/user";
 import * as os from "@/os";
 import { defaultStore, noteViewInterruptors } from "@/store";
 import { reactionPicker } from "@/scripts/reaction-picker";
-import { $i } from "@/reactiveAccount";
+import { $i, isSignedIn } from "@/reactiveAccount";
 import { i18n } from "@/i18n";
 import { getNoteMenu } from "@/scripts/get-note-menu";
 import { useNoteCapture } from "@/scripts/use-note-capture";
@@ -353,7 +353,7 @@ const reactButton = ref<HTMLElement>();
 const appearNote = computed(() =>
 	isRenote ? (note.value.renote as firefish.entities.Note) : note.value,
 );
-const isMyRenote = $i && $i.id === note.value.userId;
+const isMyRenote = isSignedIn && $i.id === note.value.userId;
 const showContent = ref(false);
 const isDeleted = ref(false);
 const muted = ref(
diff --git a/packages/client/src/components/MkNoteSub.vue b/packages/client/src/components/MkNoteSub.vue
index d98ad1a1..5bbb437b 100644
--- a/packages/client/src/components/MkNoteSub.vue
+++ b/packages/client/src/components/MkNoteSub.vue
@@ -126,7 +126,7 @@
 					<XQuoteButton class="button" :note="appearNote" />
 					<button
 						v-if="
-							$i != null &&
+							isSignedIn &&
 							isForeignLanguage &&
 							translation == null
 						"
@@ -210,7 +210,7 @@ import { useRouter } from "@/router";
 import { userPage } from "@/filters/user";
 import * as os from "@/os";
 import { reactionPicker } from "@/scripts/reaction-picker";
-import { $i } from "@/reactiveAccount";
+import { $i, isSignedIn } from "@/reactiveAccount";
 import { i18n } from "@/i18n";
 import { useNoteCapture } from "@/scripts/use-note-capture";
 import { defaultStore } from "@/store";
diff --git a/packages/client/src/components/MkPushNotificationAllowButton.vue b/packages/client/src/components/MkPushNotificationAllowButton.vue
index 575983e3..3a7e5188 100644
--- a/packages/client/src/components/MkPushNotificationAllowButton.vue
+++ b/packages/client/src/components/MkPushNotificationAllowButton.vue
@@ -16,7 +16,7 @@
 	<MkButton
 		v-else-if="
 			!showOnlyToRegister &&
-			($i ? pushRegistrationInServer : pushSubscription)
+			(isSignedIn ? pushRegistrationInServer : pushSubscription)
 		"
 		type="button"
 		:primary="false"
@@ -31,7 +31,7 @@
 		{{ i18n.ts.unsubscribePushNotification }}
 	</MkButton>
 	<MkButton
-		v-else-if="$i && pushRegistrationInServer"
+		v-else-if="isSignedIn && pushRegistrationInServer"
 		disabled
 		:rounded="rounded"
 		:inline="inline"
@@ -56,7 +56,7 @@
 import { ref } from "vue";
 
 import { getAccounts } from "@/account";
-import { $i } from "@/reactiveAccount";
+import { $i, isSignedIn } from "@/reactiveAccount";
 import MkButton from "@/components/MkButton.vue";
 import { instance } from "@/instance";
 import { api, apiWithDialog, promiseDialog } from "@/os";
@@ -147,7 +147,7 @@ async function unsubscribe() {
 
 	pushRegistrationInServer.value = undefined;
 
-	if ($i && accounts.length >= 2) {
+	if (isSignedIn && accounts.length >= 2) {
 		apiWithDialog("sw/unregister", {
 			i: $i.token,
 			endpoint,
@@ -193,7 +193,12 @@ if (navigator.serviceWorker == null) {
 		pushSubscription.value =
 			await registration.value.pushManager.getSubscription();
 
-		if (instance.swPublickey && "PushManager" in window && $i && $i.token) {
+		if (
+			instance.swPublickey &&
+			"PushManager" in window &&
+			isSignedIn &&
+			$i.token
+		) {
 			supported.value = true;
 
 			if (pushSubscription.value) {
diff --git a/packages/client/src/components/MkReactionsViewer.reaction.vue b/packages/client/src/components/MkReactionsViewer.reaction.vue
index 5bd2a9e5..0d07f9c3 100644
--- a/packages/client/src/components/MkReactionsViewer.reaction.vue
+++ b/packages/client/src/components/MkReactionsViewer.reaction.vue
@@ -28,7 +28,7 @@ import XDetails from "@/components/MkReactionsViewer.details.vue";
 import XReactionIcon from "@/components/MkReactionIcon.vue";
 import * as os from "@/os";
 import { useTooltip } from "@/scripts/use-tooltip";
-import { $i } from "@/reactiveAccount";
+import { isSignedIn } from "@/reactiveAccount";
 
 const props = defineProps<{
 	reaction: string;
@@ -43,7 +43,7 @@ const emit = defineEmits<{
 
 const buttonRef = ref<HTMLElement>();
 
-const canToggle = computed(() => !props.reaction.match(/@\w/) && $i);
+const canToggle = computed(() => isSignedIn && !props.reaction.match(/@\w/));
 
 const toggleReaction = () => {
 	if (!canToggle.value) return;
diff --git a/packages/client/src/components/MkReactionsViewer.vue b/packages/client/src/components/MkReactionsViewer.vue
index dbae48b6..509e5792 100644
--- a/packages/client/src/components/MkReactionsViewer.vue
+++ b/packages/client/src/components/MkReactionsViewer.vue
@@ -19,7 +19,7 @@
 <script lang="ts" setup>
 import { computed, ref } from "vue";
 import type * as firefish from "firefish-js";
-import { $i } from "@/reactiveAccount";
+import { $i, isSignedIn } from "@/reactiveAccount";
 import XReaction from "@/components/MkReactionsViewer.reaction.vue";
 
 const props = defineProps<{
@@ -30,7 +30,7 @@ const reactionsEl = ref<HTMLElement>();
 
 const initialReactions = new Set(Object.keys(props.note.reactions));
 
-const isMe = computed(() => $i && $i.id === props.note.userId);
+const isMe = computed(() => isSignedIn && $i.id === props.note.userId);
 </script>
 
 <style lang="scss" scoped>
diff --git a/packages/client/src/components/MkRenoteButton.vue b/packages/client/src/components/MkRenoteButton.vue
index d86e1560..66e7f2fa 100644
--- a/packages/client/src/components/MkRenoteButton.vue
+++ b/packages/client/src/components/MkRenoteButton.vue
@@ -27,7 +27,7 @@ import Ripple from "@/components/MkRipple.vue";
 import XDetails from "@/components/MkUsersTooltip.vue";
 import { pleaseLogin } from "@/scripts/please-login";
 import * as os from "@/os";
-import { $i } from "@/reactiveAccount";
+import { $i, isSignedIn } from "@/reactiveAccount";
 import { useTooltip } from "@/scripts/use-tooltip";
 import { i18n } from "@/i18n";
 import { defaultStore } from "@/store";
@@ -74,7 +74,7 @@ useTooltip(buttonRef, async (showing) => {
 
 const hasRenotedBefore = ref(false);
 
-if ($i != null) {
+if (isSignedIn) {
 	os.api("notes/renotes", {
 		noteId: props.note.id,
 		userId: $i.id,
diff --git a/packages/client/src/components/MkTimeline.vue b/packages/client/src/components/MkTimeline.vue
index d069547f..cd00f142 100644
--- a/packages/client/src/components/MkTimeline.vue
+++ b/packages/client/src/components/MkTimeline.vue
@@ -49,7 +49,7 @@ import MkPullToRefresh from "@/components/MkPullToRefresh.vue";
 import MkInfo from "@/components/MkInfo.vue";
 import { useStream } from "@/stream";
 import * as sound from "@/scripts/sound";
-import { $i } from "@/reactiveAccount";
+import { $i, isSignedIn } from "@/reactiveAccount";
 import { i18n } from "@/i18n";
 import { defaultStore } from "@/store";
 import icon from "@/scripts/icon";
@@ -77,14 +77,12 @@ let tlHintClosed: boolean;
 let tlNotesCount = 0;
 const queue = ref(0);
 
-const isSignedIn = $i != null;
-
 const prepend = (note) => {
 	tlNotesCount++;
 	tlComponent.value?.pagingComponent?.prepend(note);
 	emit("note");
 	if (props.sound) {
-		sound.play($i && note.userId === $i.id ? "noteMy" : "note");
+		sound.play(isSignedIn && note.userId === $i.id ? "noteMy" : "note");
 	}
 };
 
diff --git a/packages/client/src/components/MkTutorialDialog.vue b/packages/client/src/components/MkTutorialDialog.vue
index ea88d3f1..0253c943 100644
--- a/packages/client/src/components/MkTutorialDialog.vue
+++ b/packages/client/src/components/MkTutorialDialog.vue
@@ -208,19 +208,15 @@ import MkPushNotificationAllowButton from "@/components/MkPushNotificationAllowB
 import FormSwitch from "@/components/form/switch.vue";
 import { defaultStore } from "@/store";
 import { i18n } from "@/i18n";
-import { $i } from "@/reactiveAccount";
+import { isModerator } from "@/reactiveAccount";
 import { instance } from "@/instance";
 import icon from "@/scripts/icon";
 
-const isLocalTimelineAvailable =
-	!instance.disableLocalTimeline ||
-	($i != null && ($i.isModerator || $i.isAdmin));
+const isLocalTimelineAvailable = !instance.disableLocalTimeline || isModerator;
 const isRecommendedTimelineAvailable =
-	!instance.disableRecommendedTimeline ||
-	($i != null && ($i.isModerator || $i.isAdmin));
+	!instance.disableRecommendedTimeline || isModerator;
 const isGlobalTimelineAvailable =
-	!instance.disableGlobalTimeline ||
-	($i != null && ($i.isModerator || $i.isAdmin));
+	!instance.disableGlobalTimeline || isModerator;
 
 const timelines = ["home"];
 
diff --git a/packages/client/src/components/MkUserInfo.vue b/packages/client/src/components/MkUserInfo.vue
index 0f2582e0..54631072 100644
--- a/packages/client/src/components/MkUserInfo.vue
+++ b/packages/client/src/components/MkUserInfo.vue
@@ -8,7 +8,7 @@
 			:class="{ detailed }"
 		>
 			<span
-				v-if="$i && $i.id != user.id && user.isFollowed"
+				v-if="isSignedIn && $i.id != user.id && user.isFollowed"
 				class="followed"
 				:class="{ 'followed-emph': emphasizeFollowed }"
 				>{{ i18n.ts.followsYou }}</span
@@ -80,7 +80,10 @@
 		</div>
 		<div class="buttons">
 			<slot>
-				<MkFollowButton v-if="$i && user.id != $i.id" :user="user" />
+				<MkFollowButton
+					v-if="isSignedIn && user.id !== $i.id"
+					:user="user"
+				/>
 			</slot>
 		</div>
 	</article>
@@ -96,6 +99,7 @@ import MkNumber from "@/components/MkNumber.vue";
 import { userPage } from "@/filters/user";
 import { i18n } from "@/i18n";
 import { defaultStore } from "@/store";
+import { $i, isSignedIn } from "@/reactiveAccount";
 
 const props = defineProps<{
 	user: firefish.entities.UserDetailed;
diff --git a/packages/client/src/init.ts b/packages/client/src/init.ts
index 98969210..0076e1f1 100644
--- a/packages/client/src/init.ts
+++ b/packages/client/src/init.ts
@@ -41,7 +41,7 @@ import directives from "@/directives";
 import { i18n } from "@/i18n";
 import { fetchInstance, instance } from "@/instance";
 import { alert, api, confirm, popup, post, toast } from "@/os";
-import { $i } from "@/reactiveAccount";
+import { $i, isSignedIn } from "@/reactiveAccount";
 import { deviceKind } from "@/scripts/device-kind";
 import { getAccountFromId } from "@/scripts/get-account-from-id";
 import { makeHotkey } from "@/scripts/hotkey";
@@ -253,7 +253,7 @@ function checkForSplash() {
 		// テーマリビルドするため
 		localStorage.removeItem("theme");
 
-		if ($i && defaultStore.state.showUpdates) {
+		if (isSignedIn && defaultStore.state.showUpdates) {
 			popup(
 				defineAsyncComponent(() => import("@/components/MkUpdated.vue")),
 				{},
@@ -264,7 +264,7 @@ function checkForSplash() {
 	}
 
 	if (
-		$i &&
+		isSignedIn &&
 		defaultStore.state.tutorial === -1 &&
 		!["/announcements", "/announcements/"].includes(window.location.pathname)
 	) {
@@ -418,7 +418,7 @@ function checkForSplash() {
 		s: search,
 	};
 
-	if ($i) {
+	if (isSignedIn) {
 		// only add post shortcuts if logged in
 		hotkeys["p|n"] = post;
 
diff --git a/packages/client/src/navbar.ts b/packages/client/src/navbar.ts
index 55cfab5b..1203e37a 100644
--- a/packages/client/src/navbar.ts
+++ b/packages/client/src/navbar.ts
@@ -2,7 +2,7 @@ import { computed, reactive } from "vue";
 import { ui } from "@/config";
 import { i18n } from "@/i18n";
 import * as os from "@/os";
-import { $i } from "@/reactiveAccount";
+import { $i, isSignedIn } from "@/reactiveAccount";
 import icon from "@/scripts/icon";
 import { search } from "@/scripts/search";
 import { unisonReload } from "@/scripts/unison-reload";
@@ -11,21 +11,21 @@ export const navbarItemDef = reactive({
 	notifications: {
 		title: "notifications",
 		icon: `${icon("ph-bell")}`,
-		show: computed(() => $i != null),
+		show: computed(() => isSignedIn),
 		indicated: computed(() => $i?.hasUnreadNotification),
 		to: "/my/notifications",
 	},
 	messaging: {
 		title: "messaging",
 		icon: `${icon("ph-chats-teardrop")}`,
-		show: computed(() => $i != null),
+		show: computed(() => isSignedIn),
 		indicated: computed(() => $i?.hasUnreadMessagingMessage),
 		to: "/my/messaging",
 	},
 	drive: {
 		title: "drive",
 		icon: `${icon("ph-cloud")}`,
-		show: computed(() => $i != null),
+		show: computed(() => isSignedIn),
 		to: "/my/drive",
 	},
 	followRequests: {
@@ -54,19 +54,19 @@ export const navbarItemDef = reactive({
 	lists: {
 		title: "lists",
 		icon: `${icon("ph-list-bullets")}`,
-		show: computed(() => $i != null),
+		show: computed(() => isSignedIn),
 		to: "/my/lists",
 	},
 	antennas: {
 		title: "antennas",
 		icon: `${icon("ph-flying-saucer")}`,
-		show: computed(() => $i != null),
+		show: computed(() => isSignedIn),
 		to: "/my/antennas",
 	},
 	favorites: {
 		title: "favorites",
 		icon: `${icon("ph-bookmark-simple")}`,
-		show: computed(() => $i != null),
+		show: computed(() => isSignedIn),
 		to: "/my/favorites",
 	},
 	pages: {
@@ -82,7 +82,7 @@ export const navbarItemDef = reactive({
 	clips: {
 		title: "clips",
 		icon: `${icon("ph-paperclip")}`,
-		show: computed(() => $i != null),
+		show: computed(() => isSignedIn),
 		to: "/my/clips",
 	},
 	channels: {
diff --git a/packages/client/src/pages/about.vue b/packages/client/src/pages/about.vue
index e830e9ac..16c6f610 100644
--- a/packages/client/src/pages/about.vue
+++ b/packages/client/src/pages/about.vue
@@ -190,7 +190,7 @@ import number from "@/filters/number";
 import { i18n } from "@/i18n";
 import { definePageMetadata } from "@/scripts/page-metadata";
 import { deviceKind } from "@/scripts/device-kind";
-import { iAmModerator } from "@/account";
+import { isModerator } from "@/reactiveAccount";
 import { instance } from "@/instance";
 import { defaultStore } from "@/store";
 import icon from "@/scripts/icon";
@@ -215,7 +215,7 @@ const tabs = ["overview", "emojis", "charts"];
 const tab = ref(tabs[0]);
 watch(tab, () => syncSlide(tabs.indexOf(tab.value)));
 
-if (iAmModerator) tabs.push("federation");
+if (isModerator) tabs.push("federation");
 
 const initStats = () =>
 	os.api("stats", {}).then((res) => {
@@ -242,7 +242,7 @@ const theTabs = [
 	},
 ];
 
-if (iAmModerator) {
+if (isModerator) {
 	theTabs.push({
 		key: "federation",
 		title: i18n.ts.federation,
diff --git a/packages/client/src/pages/admin-file.vue b/packages/client/src/pages/admin-file.vue
index da6fc068..91a4386e 100644
--- a/packages/client/src/pages/admin-file.vue
+++ b/packages/client/src/pages/admin-file.vue
@@ -119,7 +119,7 @@
 				</swiper-slide>
 				<swiper-slide>
 					<div v-if="info" class="_formRoot">
-						<MkInfo v-if="!iAmAdmin" warn>{{
+						<MkInfo v-if="!isAdmin" warn>{{
 							i18n.ts.requireAdminForView
 						}}</MkInfo>
 						<MkKeyValue
@@ -172,14 +172,14 @@ import * as os from "@/os";
 import { i18n } from "@/i18n";
 import { definePageMetadata } from "@/scripts/page-metadata";
 import { deviceKind } from "@/scripts/device-kind";
-import { iAmAdmin, iAmModerator } from "@/account";
+import { isAdmin, isModerator } from "@/reactiveAccount";
 import { defaultStore } from "@/store";
 import icon from "@/scripts/icon";
 import "swiper/scss";
 import "swiper/scss/virtual";
 
 const tabs = ["overview"];
-if (iAmModerator) tabs.push("ip");
+if (isModerator) tabs.push("ip");
 tabs.push("raw");
 const tab = ref(tabs[0]);
 watch(tab, () => syncSlide(tabs.indexOf(tab.value)));
@@ -238,7 +238,7 @@ const headerTabs = computed(() => [
 		title: i18n.ts.overview,
 		icon: `${icon("ph-info")}`,
 	},
-	iAmModerator
+	isModerator
 		? {
 				key: "ip",
 				title: "IP",
diff --git a/packages/client/src/pages/announcements.vue b/packages/client/src/pages/announcements.vue
index 7dfb4e64..befa3e72 100644
--- a/packages/client/src/pages/announcements.vue
+++ b/packages/client/src/pages/announcements.vue
@@ -17,7 +17,7 @@
 				>
 					<div class="_title">
 						<h3>
-							<span v-if="$i && !announcement.isRead">
+							<span v-if="isSignedIn && !announcement.isRead">
 								🆕&nbsp;
 							</span>
 							{{ announcement.title }}
@@ -36,7 +36,10 @@
 							:src="announcement.imageUrl"
 						/>
 					</div>
-					<div v-if="$i && !announcement.isRead" class="_footer">
+					<div
+						v-if="isSignedIn && !announcement.isRead"
+						class="_footer"
+					>
 						<MkButton primary @click="read(announcement.id)"
 							><i :class="icon('ph-check')"></i>
 							{{ i18n.ts.gotIt }}</MkButton
@@ -56,6 +59,7 @@ import * as os from "@/os";
 import { i18n } from "@/i18n";
 import { definePageMetadata } from "@/scripts/page-metadata";
 import icon from "@/scripts/icon";
+import { isSignedIn } from "@/reactiveAccount";
 
 const pagination = {
 	endpoint: "announcements" as const,
diff --git a/packages/client/src/pages/auth.vue b/packages/client/src/pages/auth.vue
index 5762fd96..74b2a8cb 100644
--- a/packages/client/src/pages/auth.vue
+++ b/packages/client/src/pages/auth.vue
@@ -1,8 +1,8 @@
 <template>
-	<div v-if="$i && fetching" class="">
+	<div v-if="isSignedIn && fetching" class="">
 		<MkLoading />
 	</div>
-	<div v-else-if="$i">
+	<div v-else-if="isSignedIn">
 		<XForm
 			v-if="state == 'waiting'"
 			ref="form"
@@ -52,7 +52,7 @@ import MkSignin from "@/components/MkSignin.vue";
 import MkKeyValue from "@/components/MkKeyValue.vue";
 import * as os from "@/os";
 import { login } from "@/account";
-import { $i } from "@/reactiveAccount";
+import { isSignedIn } from "@/reactiveAccount";
 import { i18n } from "@/i18n";
 
 const props = defineProps<{
@@ -64,7 +64,7 @@ const fetching = ref(true);
 const auth_code = ref("");
 
 onMounted(() => {
-	if (!$i) return;
+	if (!isSignedIn) return;
 
 	os.api("auth/session/show", { token: props.token })
 		.then((sess: any) => {
diff --git a/packages/client/src/pages/clip.vue b/packages/client/src/pages/clip.vue
index 4a47aee3..63ff6315 100644
--- a/packages/client/src/pages/clip.vue
+++ b/packages/client/src/pages/clip.vue
@@ -31,7 +31,7 @@
 import { computed, provide, ref, watch } from "vue";
 import type * as firefish from "firefish-js";
 import XNotes from "@/components/MkNotes.vue";
-import { $i } from "@/reactiveAccount";
+import { $i, isSignedIn } from "@/reactiveAccount";
 import { i18n } from "@/i18n";
 import * as os from "@/os";
 import { definePageMetadata } from "@/scripts/page-metadata";
@@ -51,7 +51,7 @@ const pagination = {
 };
 
 const isOwned: boolean | null = computed<boolean | null>(
-	() => $i && clip.value && $i.id === clip.value.userId,
+	() => isSignedIn && clip.value && $i.id === clip.value.userId,
 );
 
 watch(
diff --git a/packages/client/src/pages/explore.users.vue b/packages/client/src/pages/explore.users.vue
index d7cadbfd..1602c571 100644
--- a/packages/client/src/pages/explore.users.vue
+++ b/packages/client/src/pages/explore.users.vue
@@ -17,7 +17,7 @@
 					<XUserList :pagination="pinnedUsers" />
 				</MkFolder>
 				<MkFolder
-					v-if="$i != null"
+					v-if="isSignedIn"
 					class="_gap"
 					persist-key="explore-popular-users"
 				>
@@ -31,7 +31,7 @@
 					<XUserList :pagination="popularUsers" />
 				</MkFolder>
 				<MkFolder
-					v-if="$i != null"
+					v-if="isSignedIn"
 					class="_gap"
 					persist-key="explore-recently-updated-users"
 				>
@@ -45,7 +45,7 @@
 					<XUserList :pagination="recentlyUpdatedUsers" />
 				</MkFolder>
 				<MkFolder
-					v-if="$i != null"
+					v-if="isSignedIn"
 					class="_gap"
 					persist-key="explore-recently-registered-users"
 				>
@@ -103,7 +103,7 @@
 				<XUserList :pagination="tagUsers" />
 			</MkFolder>
 
-			<template v-if="tag == null && $i != null">
+			<template v-if="tag == null && isSignedIn">
 				<MkFolder class="_gap">
 					<template #header
 						><i
@@ -146,7 +146,7 @@ import MkFolder from "@/components/MkFolder.vue";
 import MkTab from "@/components/MkTab.vue";
 import * as os from "@/os";
 import { i18n } from "@/i18n";
-import { $i } from "@/reactiveAccount";
+import { isSignedIn } from "@/reactiveAccount";
 import icon from "@/scripts/icon";
 
 const props = defineProps<{
diff --git a/packages/client/src/pages/gallery/post.vue b/packages/client/src/pages/gallery/post.vue
index 490bedb0..69443f1e 100644
--- a/packages/client/src/pages/gallery/post.vue
+++ b/packages/client/src/pages/gallery/post.vue
@@ -58,7 +58,9 @@
 								</div>
 								<div class="other">
 									<button
-										v-if="$i && $i.id === post.user.id"
+										v-if="
+											isSignedIn && $i.id === post.user.id
+										"
 										v-tooltip="i18n.ts.edit"
 										v-click-anime
 										class="_button"
@@ -161,6 +163,7 @@ import { definePageMetadata } from "@/scripts/page-metadata";
 import { shareAvailable } from "@/scripts/share-available";
 import { defaultStore } from "@/store";
 import icon from "@/scripts/icon";
+import { isSignedIn } from "@/reactiveAccount";
 
 const router = useRouter();
 
@@ -350,8 +353,5 @@ definePageMetadata(
 	grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
 	grid-gap: 12px;
 	margin: var(--margin);
-
-	> .post {
-	}
 }
 </style>
diff --git a/packages/client/src/pages/instance-info.vue b/packages/client/src/pages/instance-info.vue
index 28b0b599..8bbf6310 100644
--- a/packages/client/src/pages/instance-info.vue
+++ b/packages/client/src/pages/instance-info.vue
@@ -84,7 +84,7 @@
 							}}</template>
 						</MkKeyValue>
 
-						<FormSection v-if="iAmAdmin">
+						<FormSection v-if="isAdmin">
 							<template #label>Moderation</template>
 							<FormSuspense :p="init">
 								<FormSwitch
@@ -272,11 +272,10 @@ import MkLink from "@/components/MkLink.vue";
 import MkButton from "@/components/MkButton.vue";
 import FormSection from "@/components/form/section.vue";
 import MkKeyValue from "@/components/MkKeyValue.vue";
-import MkSelect from "@/components/form/select.vue";
 import FormSwitch from "@/components/form/switch.vue";
 import * as os from "@/os";
 import number from "@/filters/number";
-import { iAmAdmin } from "@/account";
+import { isAdmin } from "@/reactiveAccount";
 import { definePageMetadata } from "@/scripts/page-metadata";
 import { deviceKind } from "@/scripts/device-kind";
 import { defaultStore } from "@/store";
@@ -302,7 +301,7 @@ const props = defineProps<{
 }>();
 
 const tabs = ["overview"];
-if (iAmAdmin) tabs.push("users", "raw");
+if (isAdmin) tabs.push("users", "raw");
 const tab = ref(tabs[0]);
 watch(tab, () => syncSlide(tabs.indexOf(tab.value)));
 
@@ -314,7 +313,7 @@ const isSilenced = ref(false);
 const faviconUrl = ref(null);
 
 const usersPagination = {
-	endpoint: iAmAdmin ? "admin/show-users" : ("users" as const),
+	endpoint: isAdmin ? "admin/show-users" : ("users" as const),
 	limit: 10,
 	params: {
 		sort: "+updatedAt",
@@ -325,7 +324,7 @@ const usersPagination = {
 };
 
 async function fetch() {
-	if (iAmAdmin)
+	if (isAdmin)
 		meta.value = (await os.api("admin/meta")) as AugmentedInstanceMetadata;
 	instance.value = (await os.api("federation/show-instance", {
 		host: props.host,
@@ -410,7 +409,7 @@ const theTabs = [
 	},
 ];
 
-if (iAmAdmin) {
+if (isAdmin) {
 	theTabs.push(
 		{
 			key: "users",
diff --git a/packages/client/src/pages/page.vue b/packages/client/src/pages/page.vue
index ebca658e..4ee839af 100644
--- a/packages/client/src/pages/page.vue
+++ b/packages/client/src/pages/page.vue
@@ -51,7 +51,9 @@
 										><i :class="icon('ph-code')"
 									/></MkA>
 									<template
-										v-if="$i && $i.id === page.userId"
+										v-if="
+											isSignedIn && $i.id === page.userId
+										"
 									>
 										<MkA
 											v-tooltip="i18n.ts._pages.editPage"
@@ -159,7 +161,7 @@
 						</div>
 						<!-- <div class="links">
 						<MkA :to="`/@${username}/pages/${pageName}/view-source`" class="link">{{ i18n.ts._pages.viewSource }}</MkA>
-						<template v-if="$i && $i.id === page.userId">
+						<template v-if="isSignedIn && $i.id === page.userId">
 							<MkA :to="`/pages/edit/${page.id}`" class="link">{{ i18n.ts._pages.editThisPage }}</MkA>
 							<button v-if="$i.pinnedPageId === page.id" class="link _textButton" @click="pin(false)">{{ i18n.ts.unpin }}</button>
 							<button v-else class="link _textButton" @click="pin(true)">{{ i18n.ts.pin }}</button>
@@ -213,6 +215,7 @@ import { definePageMetadata } from "@/scripts/page-metadata";
 import { shareAvailable } from "@/scripts/share-available";
 import { defaultStore } from "@/store";
 import icon from "@/scripts/icon";
+import { isSignedIn } from "@/reactiveAccount";
 
 const props = defineProps<{
 	pageName: string;
diff --git a/packages/client/src/pages/settings/account-info.vue b/packages/client/src/pages/settings/account-info.vue
index d3b640a7..fa89f760 100644
--- a/packages/client/src/pages/settings/account-info.vue
+++ b/packages/client/src/pages/settings/account-info.vue
@@ -159,13 +159,13 @@
 			<MkKeyValue oneline style="margin: 1em 0">
 				<template #key>isModerator</template>
 				<template #value>{{
-					$i.isModerator ? i18n.ts.yes : i18n.ts.no
+					isModerator ? i18n.ts.yes : i18n.ts.no
 				}}</template>
 			</MkKeyValue>
 			<MkKeyValue oneline style="margin: 1em 0">
 				<template #key>isAdmin</template>
 				<template #value>{{
-					$i.isAdmin ? i18n.ts.yes : i18n.ts.no
+					isAdmin ? i18n.ts.yes : i18n.ts.no
 				}}</template>
 			</MkKeyValue>
 		</FormSection>
@@ -179,7 +179,7 @@ import MkKeyValue from "@/components/MkKeyValue.vue";
 import * as os from "@/os";
 import number from "@/filters/number";
 import bytes from "@/filters/bytes";
-import { $i } from "@/reactiveAccount";
+import { $i, isAdmin, isModerator } from "@/reactiveAccount";
 import { i18n } from "@/i18n";
 import { definePageMetadata } from "@/scripts/page-metadata";
 import icon from "@/scripts/icon";
diff --git a/packages/client/src/pages/settings/drive.vue b/packages/client/src/pages/settings/drive.vue
index fbc526d3..11756b03 100644
--- a/packages/client/src/pages/settings/drive.vue
+++ b/packages/client/src/pages/settings/drive.vue
@@ -70,15 +70,15 @@ import bytes from "@/filters/bytes";
 import { defaultStore } from "@/store";
 import { i18n } from "@/i18n";
 import { definePageMetadata } from "@/scripts/page-metadata";
-import { $i } from "@/reactiveAccount";
+import { $i, isSignedIn } from "@/reactiveAccount";
 import icon from "@/scripts/icon";
 
 const fetching = ref(true);
 const usage = ref<any>(null);
 const capacity = ref<any>(null);
 const uploadFolder = ref<any>(null);
-const alwaysMarkNsfw = ref<boolean>($i != null && $i.alwaysMarkNsfw);
-const autoSensitive = ref<boolean>($i != null && $i.autoSensitive);
+const alwaysMarkNsfw = ref<boolean>(isSignedIn && $i.alwaysMarkNsfw);
+const autoSensitive = ref<boolean>(isSignedIn && $i.autoSensitive);
 
 const meterStyle = computed(() => {
 	return {
diff --git a/packages/client/src/pages/settings/preferences-backups.vue b/packages/client/src/pages/settings/preferences-backups.vue
index 98840d22..bb6c852e 100644
--- a/packages/client/src/pages/settings/preferences-backups.vue
+++ b/packages/client/src/pages/settings/preferences-backups.vue
@@ -65,7 +65,7 @@ import * as os from "@/os";
 import { ColdDeviceStorage, defaultStore } from "@/store";
 import { unisonReload } from "@/scripts/unison-reload";
 import { useStream } from "@/stream";
-import { $i } from "@/reactiveAccount";
+import { isSignedIn } from "@/reactiveAccount";
 import { i18n } from "@/i18n";
 import { host, version } from "@/config";
 import { definePageMetadata } from "@/scripts/page-metadata";
@@ -164,7 +164,7 @@ interface Profile {
 	};
 }
 
-const connection = $i && stream.useChannel("main");
+const connection = isSignedIn && stream.useChannel("main");
 
 const profiles = ref<Record<string, Profile> | null>(null);
 
diff --git a/packages/client/src/pages/timeline.vue b/packages/client/src/pages/timeline.vue
index 7e16070c..ac36d1b1 100644
--- a/packages/client/src/pages/timeline.vue
+++ b/packages/client/src/pages/timeline.vue
@@ -75,15 +75,13 @@ import * as os from "@/os";
 import { defaultStore } from "@/store";
 import { i18n } from "@/i18n";
 import { instance } from "@/instance";
-import { $i } from "@/reactiveAccount";
+import { $i, isSignedIn, isModerator } from "@/reactiveAccount";
 import { definePageMetadata } from "@/scripts/page-metadata";
 import { deviceKind } from "@/scripts/device-kind";
 import icon from "@/scripts/icon";
 import "swiper/scss";
 import "swiper/scss/virtual";
 
-const isSignedIn = $i != null;
-
 if (isSignedIn && defaultStore.reactiveState.tutorial.value !== -1) {
 	os.popup(XTutorial, {}, {}, "closed");
 }
@@ -92,14 +90,14 @@ const isHomeTimelineAvailable = isSignedIn;
 const isLocalTimelineAvailable =
 	(!instance.disableLocalTimeline &&
 		(isSignedIn || instance.enableGuestTimeline)) ||
-	($i != null && ($i.isModerator || $i.isAdmin));
+	isModerator;
 const isSocialTimelineAvailable = isLocalTimelineAvailable && isSignedIn;
 const isRecommendedTimelineAvailable =
 	!instance.disableRecommendedTimeline && isSignedIn;
 const isGlobalTimelineAvailable =
 	(!instance.disableGlobalTimeline &&
 		(isSignedIn || instance.enableGuestTimeline)) ||
-	($i != null && ($i.isModerator || $i.isAdmin));
+	isModerator;
 const keymap = {
 	t: focus,
 };
diff --git a/packages/client/src/pages/user-info.vue b/packages/client/src/pages/user-info.vue
index 8b0926cf..1b67ee74 100644
--- a/packages/client/src/pages/user-info.vue
+++ b/packages/client/src/pages/user-info.vue
@@ -209,7 +209,7 @@
 					<FormSwitch
 						v-if="
 							user.host == null &&
-							$i.isAdmin &&
+							isAdmin &&
 							(moderator || !user.isAdmin)
 						"
 						v-model="moderator"
@@ -232,7 +232,7 @@
 					{{ i18n.ts.reflectMayTakeTime }}
 					<div class="_formBlock">
 						<FormButton
-							v-if="user.host == null && iAmModerator"
+							v-if="user.host == null && isModerator"
 							inline
 							style="margin-bottom: 0.4rem"
 							@click="resetPassword"
@@ -240,14 +240,14 @@
 							{{ i18n.ts.resetPassword }}</FormButton
 						>
 						<FormButton
-							v-if="user.host == null && iAmModerator"
+							v-if="user.host == null && isModerator"
 							inline
 							@click="sendModMail"
 							><i :class="icon('ph-warning-diamond')"></i>
 							{{ i18n.ts.sendModMail }}</FormButton
 						>
 						<FormButton
-							v-if="user.host == null && $i.isAdmin"
+							v-if="user.host == null && isAdmin"
 							inline
 							danger
 							@click="delete2fa"
@@ -255,7 +255,7 @@
 							{{ i18n.ts.delete2fa }}</FormButton
 						>
 						<FormButton
-							v-if="user.host == null && $i.isAdmin"
+							v-if="user.host == null && isAdmin"
 							inline
 							danger
 							@click="deletePasskeys"
@@ -263,7 +263,7 @@
 							{{ i18n.ts.deletePasskeys }}</FormButton
 						>
 						<FormButton
-							v-if="$i.isAdmin"
+							v-if="isAdmin"
 							inline
 							primary
 							danger
@@ -281,14 +281,14 @@
 					</FormTextarea>
 					<FormFolder class="_formBlock">
 						<template #label>IP</template>
-						<MkInfo v-if="!iAmAdmin" warn>{{
+						<MkInfo v-if="!isAdmin" warn>{{
 							i18n.ts.requireAdminForView
 						}}</MkInfo>
 						<MkInfo v-else
 							>The date is the IP address was first
 							acknowledged.</MkInfo
 						>
-						<template v-if="iAmAdmin && ips">
+						<template v-if="isAdmin && ips">
 							<div
 								v-for="record in ips"
 								:key="record.ip"
@@ -336,7 +336,7 @@
 					</FormSection>
 				</div>
 				<div v-else-if="tab === 'raw'" class="_formRoot">
-					<MkObjectView v-if="info && $i.isAdmin" tall :value="info">
+					<MkObjectView v-if="info && isAdmin" tall :value="info">
 					</MkObjectView>
 
 					<MkObjectView tall :value="user"> </MkObjectView>
@@ -359,7 +359,6 @@ import FormInput from "@/components/form/input.vue";
 import FormFolder from "@/components/form/folder.vue";
 import FormSelect from "@/components/form/select.vue";
 import MkKeyValue from "@/components/MkKeyValue.vue";
-import MkSelect from "@/components/form/select.vue";
 import FormSuspense from "@/components/form/suspense.vue";
 import MkFileListForAdmin from "@/components/MkFileListForAdmin.vue";
 import MkInfo from "@/components/MkInfo.vue";
@@ -368,7 +367,7 @@ import { url } from "@/config";
 import { acct, userPage } from "@/filters/user";
 import { definePageMetadata } from "@/scripts/page-metadata";
 import { i18n } from "@/i18n";
-import { iAmAdmin, iAmModerator } from "@/account";
+import { isAdmin, isModerator } from "@/reactiveAccount";
 import { instance } from "@/instance";
 import icon from "@/scripts/icon";
 
@@ -397,7 +396,7 @@ const filesPagination = {
 };
 
 function createFetcher() {
-	if (iAmModerator) {
+	if (isModerator) {
 		return () =>
 			Promise.all([
 				os.api("users/show", {
@@ -406,7 +405,7 @@ function createFetcher() {
 				os.api("admin/show-user", {
 					userId: props.userId,
 				}),
-				iAmAdmin
+				isAdmin
 					? os.api("admin/get-user-ips", {
 							userId: props.userId,
 						})
@@ -639,7 +638,7 @@ const headerTabs = computed(() =>
 			title: i18n.ts.overview,
 			icon: `${icon("ph-info")}`,
 		},
-		iAmModerator
+		isModerator
 			? {
 					key: "moderation",
 					title: i18n.ts.moderation,
diff --git a/packages/client/src/pages/user/home.vue b/packages/client/src/pages/user/home.vue
index 943f2e2a..0acc12f9 100644
--- a/packages/client/src/pages/user/home.vue
+++ b/packages/client/src/pages/user/home.vue
@@ -43,7 +43,7 @@
 										:user="user"
 										:nowrap="true"
 									/>
-									<div v-if="$i?.isModerator || $i?.isAdmin">
+									<div v-if="isModerator">
 										<span
 											v-if="user.isSilenced"
 											style="
@@ -67,8 +67,8 @@
 									</div>
 									<span
 										v-if="
-											$i &&
-											$i.id != user.id &&
+											isSignedIn &&
+											$i.id !== user.id &&
 											user.isFollowed
 										"
 										class="followed"
@@ -134,8 +134,8 @@
 								/>
 								<span
 									v-if="
-										$i &&
-										$i.id != user.id &&
+										isSignedIn &&
+										$i.id !== user.id &&
 										user.isFollowed
 									"
 									class="followed"
@@ -144,7 +144,7 @@
 									}"
 									>{{ i18n.ts.followsYou }}</span
 								>
-								<div v-if="$i?.isModerator || $i?.isAdmin">
+								<div v-if="isModerator">
 									<span
 										v-if="user.isSilenced"
 										style="color: var(--warn); padding: 5px"
@@ -346,7 +346,7 @@
 						/>
 					</div>
 					<MkInfo
-						v-else-if="$i && $i.id === user.id"
+						v-else-if="isSignedIn && $i.id === user.id"
 						style="margin: 12px 0"
 						>{{ i18n.ts.userPagePinTip }}</MkInfo
 					>
@@ -389,7 +389,7 @@ import { userPage } from "@/filters/user";
 import { defaultStore } from "@/store";
 import * as os from "@/os";
 import { i18n } from "@/i18n";
-import { $i } from "@/reactiveAccount";
+import { $i, isSignedIn, isModerator } from "@/reactiveAccount";
 import { host } from "@/config";
 import icon from "@/scripts/icon";
 
diff --git a/packages/client/src/pages/user/index.vue b/packages/client/src/pages/user/index.vue
index 2997653c..562715c3 100644
--- a/packages/client/src/pages/user/index.vue
+++ b/packages/client/src/pages/user/index.vue
@@ -37,7 +37,7 @@ import * as os from "@/os";
 import { useRouter } from "@/router";
 import { definePageMetadata } from "@/scripts/page-metadata";
 import { i18n } from "@/i18n";
-import { $i } from "@/reactiveAccount";
+import { $i, isSignedIn } from "@/reactiveAccount";
 import icon from "@/scripts/icon";
 
 const XHome = defineAsyncComponent(() => import("./home.vue"));
@@ -88,7 +88,7 @@ const headerTabs = computed(() =>
 					title: i18n.ts.overview,
 					icon: `${icon("ph-user")}`,
 				},
-				...(($i && $i.id === user.value.id) ||
+				...((isSignedIn && $i.id === user.value.id) ||
 				user.value.publicReactions
 					? [
 							{
diff --git a/packages/client/src/pizzax.ts b/packages/client/src/pizzax.ts
index 54d871bb..5ee06d0b 100644
--- a/packages/client/src/pizzax.ts
+++ b/packages/client/src/pizzax.ts
@@ -4,7 +4,7 @@ import type { Ref } from "vue";
 import { onUnmounted, ref, watch } from "vue";
 import { api } from "./os";
 import { useStream } from "./stream";
-import { $i } from "@/reactiveAccount";
+import { $i, isSignedIn } from "@/reactiveAccount";
 
 type StateDef = Record<
 	string,
@@ -17,7 +17,7 @@ type StateDef = Record<
 type ArrayElement<A> = A extends readonly (infer T)[] ? T : never;
 
 const stream = useStream();
-const connection = $i && stream.useChannel("main");
+const connection = isSignedIn && stream.useChannel("main");
 
 export class Storage<T extends StateDef> {
 	public readonly key: string;
@@ -43,12 +43,12 @@ export class Storage<T extends StateDef> {
 		const deviceState = JSON.parse(
 			localStorage.getItem(this.keyForLocalStorage) || "{}",
 		);
-		const deviceAccountState = $i
+		const deviceAccountState = isSignedIn
 			? JSON.parse(
 					localStorage.getItem(`${this.keyForLocalStorage}::${$i.id}`) || "{}",
 			  )
 			: {};
-		const registryCache = $i
+		const registryCache = isSignedIn
 			? JSON.parse(
 					localStorage.getItem(`${this.keyForLocalStorage}::cache::${$i.id}`) ||
 						"{}",
@@ -65,7 +65,7 @@ export class Storage<T extends StateDef> {
 				state[k] = deviceState[k];
 			} else if (
 				v.where === "account" &&
-				$i &&
+				isSignedIn &&
 				Object.prototype.hasOwnProperty.call(registryCache, k)
 			) {
 				state[k] = registryCache[k];
@@ -85,7 +85,7 @@ export class Storage<T extends StateDef> {
 		this.state = state as any;
 		this.reactiveState = reactiveState as any;
 
-		if ($i) {
+		if (isSignedIn) {
 			// なぜかsetTimeoutしないとapi関数内でエラーになる(おそらく循環参照してることに原因がありそう)
 			window.setTimeout(() => {
 				api("i/registry/get-all", { scope: ["client", this.key] }).then(
@@ -169,7 +169,7 @@ export class Storage<T extends StateDef> {
 				break;
 			}
 			case "deviceAccount": {
-				if ($i == null) break;
+				if (!isSignedIn) break;
 				const deviceAccountState = JSON.parse(
 					localStorage.getItem(`${this.keyForLocalStorage}::${$i.id}`) || "{}",
 				);
@@ -181,7 +181,7 @@ export class Storage<T extends StateDef> {
 				break;
 			}
 			case "account": {
-				if ($i == null) break;
+				if (!isSignedIn) break;
 				const cache = JSON.parse(
 					localStorage.getItem(`${this.keyForLocalStorage}::cache::${$i.id}`) ||
 						"{}",
diff --git a/packages/client/src/reactiveAccount.ts b/packages/client/src/reactiveAccount.ts
index 46ff2499..c32b6df1 100644
--- a/packages/client/src/reactiveAccount.ts
+++ b/packages/client/src/reactiveAccount.ts
@@ -7,3 +7,8 @@ const accountData = localStorage.getItem("account");
 export const $i = accountData
 	? reactive(JSON.parse(accountData) as Account)
 	: null;
+
+export const isSignedIn = $i != null;
+export const isModerator = isSignedIn && ($i.isModerator || $i.isAdmin);
+export const isAdmin = isSignedIn && $i.isAdmin;
+export const isEmojiMod = isSignedIn && $i.emojiModPerm !== "unauthorized";
diff --git a/packages/client/src/router.ts b/packages/client/src/router.ts
index 98092b4e..befb59db 100644
--- a/packages/client/src/router.ts
+++ b/packages/client/src/router.ts
@@ -1,21 +1,10 @@
 import type { AsyncComponentLoader } from "vue";
 import { defineAsyncComponent, inject } from "vue";
-import { iAmEmojiMod, iAmModerator } from "@/account";
+import { isModerator, isEmojiMod } from "@/reactiveAccount";
 import { Router } from "@/nirax";
 import MkError from "@/pages/_error_.vue";
 import MkLoading from "@/pages/_loading_.vue";
-import { $i } from "@/reactiveAccount";
-import { api } from "@/os";
-
-function getGuestTimelineStatus() {
-	api("meta", {
-		detail: false,
-	}).then((meta) => {
-		return meta.enableGuestTimeline;
-	});
-}
-
-const guestTimeline = getGuestTimelineStatus();
+import { $i, isSignedIn } from "@/reactiveAccount";
 
 const page = (loader: AsyncComponentLoader<any>) =>
 	defineAsyncComponent({
@@ -311,10 +300,9 @@ export const routes = [
 	},
 	{
 		path: "/search",
-		component:
-			$i != null
-				? page(() => import("./pages/search.vue"))
-				: page(() => import("./pages/not-found.vue")),
+		component: isSignedIn
+			? page(() => import("./pages/search.vue"))
+			: page(() => import("./pages/not-found.vue")),
 		query: {
 			q: "query",
 			channel: "channel",
@@ -429,20 +417,20 @@ export const routes = [
 	},
 	{
 		path: "/admin/file/:fileId",
-		component: iAmModerator
+		component: isModerator
 			? page(() => import("./pages/admin-file.vue"))
 			: page(() => import("./pages/not-found.vue")),
 	},
 	{
 		path: "/admin/emojis",
 		name: "emojis",
-		component: iAmEmojiMod
+		component: isEmojiMod
 			? page(() => import("./pages/admin/emojis.vue"))
 			: page(() => import("./pages/not-found.vue")),
 	},
 	{
 		path: "/admin",
-		component: iAmModerator
+		component: isModerator
 			? page(() => import("./pages/admin/index.vue"))
 			: page(() => import("./pages/not-found.vue")),
 		children: [
diff --git a/packages/client/src/scripts/get-note-menu.ts b/packages/client/src/scripts/get-note-menu.ts
index 0fb61480..74185f7c 100644
--- a/packages/client/src/scripts/get-note-menu.ts
+++ b/packages/client/src/scripts/get-note-menu.ts
@@ -2,7 +2,7 @@ import { url } from "@/config";
 import { i18n } from "@/i18n";
 import { instance } from "@/instance";
 import * as os from "@/os";
-import { $i } from "@/reactiveAccount";
+import { $i, isSignedIn, isModerator } from "@/reactiveAccount";
 import copyToClipboard from "@/scripts/copy-to-clipboard";
 import { getUserMenu } from "@/scripts/get-user-menu";
 import icon from "@/scripts/icon";
@@ -230,18 +230,18 @@ export function getNoteMenu(props: {
 		props.isDeleted.value = true;
 	}
 
-	async function promote(): Promise<void> {
-		const { canceled, result: days } = await os.inputNumber({
-			title: i18n.ts.numberOfDays,
-		});
+	// async function promote(): Promise<void> {
+	// 	const { canceled, result: days } = await os.inputNumber({
+	// 		title: i18n.ts.numberOfDays,
+	// 	});
 
-		if (canceled) return;
+	// 	if (canceled) return;
 
-		os.apiWithDialog("admin/promo/create", {
-			noteId: appearNote.id,
-			expiresAt: Date.now() + 86400000 * days,
-		});
-	}
+	// 	os.apiWithDialog("admin/promo/create", {
+	// 		noteId: appearNote.id,
+	// 		expiresAt: Date.now() + 86400000 * days,
+	// 	});
+	// }
 
 	function share(): void {
 		navigator.share({
@@ -283,13 +283,12 @@ export function getNoteMenu(props: {
 	}
 
 	let menu;
-	if ($i) {
+	if (isSignedIn) {
 		const statePromise = os.api("notes/state", {
 			noteId: appearNote.id,
 		});
 
 		const isAppearAuthor = appearNote.userId === $i.id;
-		const isModerator = $i.isAdmin || $i.isModerator;
 
 		menu = [
 			...(props.currentClipPage?.value.userId === $i.id
@@ -410,7 +409,7 @@ export function getNoteMenu(props: {
 				],
 			},
 			/*
-		...($i.isModerator || $i.isAdmin ? [
+		...(isModerator ? [
 			null,
 			{
 				icon: `${icon('ph-megaphone-simple')}`,
diff --git a/packages/client/src/scripts/get-user-menu.ts b/packages/client/src/scripts/get-user-menu.ts
index 1ee1dd07..8fc34d79 100644
--- a/packages/client/src/scripts/get-user-menu.ts
+++ b/packages/client/src/scripts/get-user-menu.ts
@@ -1,9 +1,8 @@
-import { iAmModerator } from "@/account";
+import { $i, isModerator, isSignedIn } from "@/reactiveAccount";
 import { host } from "@/config";
 import { i18n } from "@/i18n";
 import type { Router } from "@/nirax";
 import * as os from "@/os";
-import { $i } from "@/reactiveAccount";
 import { mainRouter } from "@/router";
 import copyToClipboard from "@/scripts/copy-to-clipboard";
 import icon from "@/scripts/icon";
@@ -12,8 +11,6 @@ import * as Acct from "firefish-js/built/acct";
 import { defineAsyncComponent } from "vue";
 
 export function getUserMenu(user, router: Router = mainRouter) {
-	const meId = $i ? $i.id : null;
-
 	async function pushList() {
 		const t = i18n.ts.selectList; // なぜか後で参照すると null になるので最初にメモリに確保しておく
 		const lists = await os.api("users/lists/list");
@@ -282,7 +279,7 @@ export function getUserMenu(user, router: Router = mainRouter) {
 				os.post({ specified: user });
 			},
 		},
-		meId !== user.id
+		$i.id !== user.id
 			? {
 					type: "link",
 					icon: `${icon("ph-chats-teardrop")}`,
@@ -305,7 +302,7 @@ export function getUserMenu(user, router: Router = mainRouter) {
 			text: i18n.ts.addToList,
 			action: pushList,
 		},
-		meId !== user.id
+		$i.id !== user.id
 			? {
 					icon: `${icon("ph-users-three")}`,
 					text: i18n.ts.inviteToGroup,
@@ -320,7 +317,7 @@ export function getUserMenu(user, router: Router = mainRouter) {
 		},
 	] as any;
 
-	if ($i && meId !== user.id) {
+	if (isSignedIn && $i.id !== user.id) {
 		menu = menu.concat([
 			{
 				icon: user.isMuted ? "ph-eye ph-lg" : "ph-eye-slash ph-lg",
@@ -354,7 +351,7 @@ export function getUserMenu(user, router: Router = mainRouter) {
 			},
 		]);
 
-		if (iAmModerator) {
+		if (isModerator) {
 			menu = menu.concat([
 				null,
 				{
@@ -371,7 +368,7 @@ export function getUserMenu(user, router: Router = mainRouter) {
 		}
 	}
 
-	if ($i && meId === user.id) {
+	if (isSignedIn && $i.id === user.id) {
 		menu = menu.concat([
 			null,
 			{
diff --git a/packages/client/src/scripts/please-login.ts b/packages/client/src/scripts/please-login.ts
index 95c00e2f..37bf1240 100644
--- a/packages/client/src/scripts/please-login.ts
+++ b/packages/client/src/scripts/please-login.ts
@@ -1,11 +1,11 @@
 import { i18n } from "@/i18n";
 import { popup } from "@/os";
-import { $i } from "@/reactiveAccount";
+import { isSignedIn } from "@/reactiveAccount";
 import { vibrate } from "@/scripts/vibrate";
 import { defineAsyncComponent } from "vue";
 
 export function pleaseLogin(path?: string) {
-	if ($i) return;
+	if (isSignedIn) return;
 	vibrate(100);
 
 	popup(
diff --git a/packages/client/src/scripts/use-note-capture.ts b/packages/client/src/scripts/use-note-capture.ts
index db7a0359..94b8068e 100644
--- a/packages/client/src/scripts/use-note-capture.ts
+++ b/packages/client/src/scripts/use-note-capture.ts
@@ -1,5 +1,5 @@
 import * as os from "@/os";
-import { $i } from "@/reactiveAccount";
+import { $i, isSignedIn } from "@/reactiveAccount";
 import { useStream } from "@/stream";
 import type * as firefish from "firefish-js";
 import type { Ref } from "vue";
@@ -35,7 +35,7 @@ export function useNoteCapture(props: {
 
 				note.value.reactions[reaction] = currentCount + 1;
 
-				if ($i && body.userId === $i.id) {
+				if (isSignedIn && body.userId === $i.id) {
 					note.value.myReaction = reaction;
 				}
 				break;
@@ -49,7 +49,7 @@ export function useNoteCapture(props: {
 
 				note.value.reactions[reaction] = Math.max(0, currentCount - 1);
 
-				if ($i && body.userId === $i.id) {
+				if (isSignedIn && body.userId === $i.id) {
 					note.value.myReaction = undefined;
 				}
 				break;
@@ -63,7 +63,7 @@ export function useNoteCapture(props: {
 					choices[choice] = {
 						...choices[choice],
 						votes: choices[choice].votes + 1,
-						...($i && body.userId === $i.id
+						...(isSignedIn && body.userId === $i.id
 							? {
 									isVoted: true,
 							  }
diff --git a/packages/client/src/store.ts b/packages/client/src/store.ts
index 1c68f959..46ab37b6 100644
--- a/packages/client/src/store.ts
+++ b/packages/client/src/store.ts
@@ -1,6 +1,6 @@
 import { markRaw, ref } from "vue";
 import { Storage } from "./pizzax";
-import { $i } from "./reactiveAccount";
+import { isSignedIn } from "./reactiveAccount";
 
 export const postFormActions = [];
 export const userActions = [];
@@ -157,7 +157,7 @@ export const defaultStore = markRaw(
 		tl: {
 			where: "deviceAccount",
 			default: {
-				src: ($i != null ? "home" : "local") as
+				src: (isSignedIn ? "home" : "local") as
 					| "home"
 					| "local"
 					| "social"
diff --git a/packages/client/src/theme-store.ts b/packages/client/src/theme-store.ts
index 866ba064..794502da 100644
--- a/packages/client/src/theme-store.ts
+++ b/packages/client/src/theme-store.ts
@@ -1,15 +1,15 @@
 import type { Theme } from "./scripts/theme";
 import { api } from "@/os";
-import { $i } from "@/reactiveAccount";
+import { $i, isSignedIn } from "@/reactiveAccount";
 
-const lsCacheKey = $i ? `themes:${$i.id}` : "";
+const lsCacheKey = isSignedIn ? `themes:${$i.id}` : "";
 
 export function getThemes(): Theme[] {
 	return JSON.parse(localStorage.getItem(lsCacheKey) || "[]");
 }
 
 export async function fetchThemes(): Promise<void> {
-	if ($i == null) return;
+	if (!isSignedIn) return;
 
 	try {
 		const themes = await api("i/registry/get", {
diff --git a/packages/client/src/ui/_common_/common.vue b/packages/client/src/ui/_common_/common.vue
index 5fe30402..8ddf0783 100644
--- a/packages/client/src/ui/_common_/common.vue
+++ b/packages/client/src/ui/_common_/common.vue
@@ -22,7 +22,7 @@ import { swInject } from "./sw-inject";
 import { popup, popups } from "@/os";
 import { uploads } from "@/scripts/upload";
 import * as sound from "@/scripts/sound";
-import { $i } from "@/reactiveAccount";
+import { $i, isSignedIn } from "@/reactiveAccount";
 import { useStream } from "@/stream";
 
 const stream = useStream();
@@ -57,7 +57,7 @@ const onNotification = (notification) => {
 	sound.play("notification");
 };
 
-if ($i) {
+if (isSignedIn) {
 	const connection = stream.useChannel("main", null, "UI");
 	connection.on("notification", onNotification);
 
diff --git a/packages/client/src/ui/_common_/navbar-for-mobile.vue b/packages/client/src/ui/_common_/navbar-for-mobile.vue
index 54302683..6c86cb30 100644
--- a/packages/client/src/ui/_common_/navbar-for-mobile.vue
+++ b/packages/client/src/ui/_common_/navbar-for-mobile.vue
@@ -71,7 +71,7 @@
 				</template>
 				<div class="divider"></div>
 				<MkA
-					v-if="$i.isAdmin || $i.isModerator"
+					v-if="isModerator"
 					v-click-anime
 					class="item"
 					active-class="active"
@@ -81,7 +81,7 @@
 					><span class="text">{{ i18n.ts.controlPanel }}</span>
 				</MkA>
 				<MkA
-					v-else-if="$i.emojiModPerm !== 'unauthorized'"
+					v-else-if="isEmojiMod"
 					v-click-anime
 					v-tooltip.noDelay.right="i18n.ts.customEmojis"
 					class="item _button"
@@ -141,7 +141,7 @@ import { computed, defineAsyncComponent, toRef } from "vue";
 import * as os from "@/os";
 import { navbarItemDef } from "@/navbar";
 import { openAccountMenu as openAccountMenu_ } from "@/account";
-import { $i } from "@/reactiveAccount";
+import { $i, isEmojiMod, isModerator } from "@/reactiveAccount";
 import { openHelpMenu_ } from "@/scripts/helpMenu";
 import { defaultStore } from "@/store";
 import { i18n } from "@/i18n";
diff --git a/packages/client/src/ui/_common_/navbar.vue b/packages/client/src/ui/_common_/navbar.vue
index 05298b8b..34567e28 100644
--- a/packages/client/src/ui/_common_/navbar.vue
+++ b/packages/client/src/ui/_common_/navbar.vue
@@ -72,7 +72,7 @@
 				</template>
 				<div class="divider"></div>
 				<MkA
-					v-if="$i.isAdmin || $i.isModerator"
+					v-if="isModerator"
 					v-click-anime
 					v-tooltip.noDelay.right="i18n.ts.controlPanel"
 					class="item _button"
@@ -93,7 +93,7 @@
 					><span class="text">{{ i18n.ts.controlPanel }}</span>
 				</MkA>
 				<MkA
-					v-else-if="$i.emojiModPerm !== 'unauthorized'"
+					v-else-if="isEmojiMod"
 					v-click-anime
 					v-tooltip.noDelay.right="i18n.ts.customEmojis"
 					class="item _button"
@@ -161,7 +161,7 @@ import { computed, defineAsyncComponent, ref, watch } from "vue";
 import * as os from "@/os";
 import { navbarItemDef } from "@/navbar";
 import { openAccountMenu as openAccountMenu_ } from "@/account";
-import { $i } from "@/reactiveAccount";
+import { $i, isAdmin, isEmojiMod, isModerator } from "@/reactiveAccount";
 import { openHelpMenu_ } from "@/scripts/helpMenu";
 import { defaultStore } from "@/store";
 import { i18n } from "@/i18n";
@@ -206,7 +206,7 @@ const noEmailServer = !instance.enableEmail;
 const thereIsUnresolvedAbuseReport = ref(false);
 const updateAvailable = ref(false);
 
-if ($i?.isAdmin) {
+if (isAdmin) {
 	os.api("admin/abuse-user-reports", {
 		state: "unresolved",
 		limit: 1,
diff --git a/packages/client/src/ui/deck.vue b/packages/client/src/ui/deck.vue
index 4a91958c..6aa0000e 100644
--- a/packages/client/src/ui/deck.vue
+++ b/packages/client/src/ui/deck.vue
@@ -241,7 +241,7 @@ watch(route, () => {
 const columns = deckStore.reactiveState.columns;
 const layout = deckStore.reactiveState.layout;
 const menuIndicated = computed(() => {
-	if ($i == null) return false;
+	if (!isSignedIn) return false;
 	for (const def in navbarItemDef) {
 		if (navbarItemDef[def].indicated) return true;
 	}
diff --git a/packages/client/src/ui/deck/tl-column.vue b/packages/client/src/ui/deck/tl-column.vue
index 6465ff05..1de4ddab 100644
--- a/packages/client/src/ui/deck/tl-column.vue
+++ b/packages/client/src/ui/deck/tl-column.vue
@@ -50,7 +50,7 @@ import type { Column } from "./deck-store";
 import { removeColumn, updateColumn } from "./deck-store";
 import XTimeline from "@/components/MkTimeline.vue";
 import * as os from "@/os";
-import { $i } from "@/reactiveAccount";
+import { isSignedIn, isModerator } from "@/reactiveAccount";
 import { instance } from "@/instance";
 import { i18n } from "@/i18n";
 import icon from "@/scripts/icon";
@@ -72,10 +72,9 @@ const columnActive = ref(true);
 onMounted(() => {
 	if (props.column.tl == null) {
 		setType();
-	} else if ($i) {
+	} else if (isSignedIn) {
 		disabled.value =
-			!$i.isModerator &&
-			!$i.isAdmin &&
+			!isModerator &&
 			((instance.disableLocalTimeline &&
 				["local", "social"].includes(props.column.tl)) ||
 				(instance.disableRecommendedTimeline &&