diff --git a/packages/frontend/src/components/MkSignin.vue b/packages/frontend/src/components/MkSignin.vue
index 0c65bf8227..0fd67a0b46 100644
--- a/packages/frontend/src/components/MkSignin.vue
+++ b/packages/frontend/src/components/MkSignin.vue
@@ -51,7 +51,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 <script lang="ts" setup>
 import { defineAsyncComponent } from 'vue';
 import { toUnicode } from 'punycode/';
-import { UserDetailed } from 'misskey-js/built/entities';
+import * as Misskey from 'misskey-js';
 import { supported as webAuthnSupported, get as webAuthnRequest, parseRequestOptionsFromJSON } from '@github/webauthn-json/browser-ponyfill';
 import { showSuspendedDialog } from '@/scripts/show-suspended-dialog.js';
 import MkButton from '@/components/MkButton.vue';
@@ -63,7 +63,7 @@ import { login } from '@/account.js';
 import { i18n } from '@/i18n.js';
 
 let signing = $ref(false);
-let user = $ref<UserDetailed | null>(null);
+let user = $ref<Misskey.entities.UserDetailed | null>(null);
 let username = $ref('');
 let password = $ref('');
 let token = $ref('');
diff --git a/packages/frontend/src/pages/about-misskey.vue b/packages/frontend/src/pages/about-misskey.vue
index d734666bff..37c869f98e 100644
--- a/packages/frontend/src/pages/about-misskey.vue
+++ b/packages/frontend/src/pages/about-misskey.vue
@@ -286,6 +286,7 @@ const patrons = [
 	'Nick / pprmint.',
 	'kino3277',
 	'美少女JKぐーちゃん',
+	'てば',
 ];
 
 let thereIsTreasure = $ref($i && !claimedAchievements.includes('foundTreasure'));
diff --git a/packages/frontend/src/scripts/api.ts b/packages/frontend/src/scripts/api.ts
index d73d60cf26..9259c88013 100644
--- a/packages/frontend/src/scripts/api.ts
+++ b/packages/frontend/src/scripts/api.ts
@@ -3,21 +3,21 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-import { Endpoints } from 'misskey-js/built/api.types';
+import * as Misskey from 'misskey-js';
 import { ref } from 'vue';
 import { apiUrl } from '@/config.js';
 import { $i } from '@/account.js';
 export const pendingApiRequestsCount = ref(0);
 
 // Implements Misskey.api.ApiClient.request
-export function api<E extends keyof Endpoints, P extends Endpoints[E]['req']>(endpoint: E, data: P = {} as any, token?: string | null | undefined, signal?: AbortSignal): Promise<Endpoints[E]['res']> {
+export function api<E extends keyof Misskey.Endpoints, P extends Misskey.Endpoints[E]['req']>(endpoint: E, data: P = {} as any, token?: string | null | undefined, signal?: AbortSignal): Promise<Misskey.Endpoints[E]['res']> {
 	pendingApiRequestsCount.value++;
 
 	const onFinally = () => {
 		pendingApiRequestsCount.value--;
 	};
 
-	const promise = new Promise<Endpoints[E]['res'] | void>((resolve, reject) => {
+	const promise = new Promise<Misskey.Endpoints[E]['res'] | void>((resolve, reject) => {
 		// Append a credential
 		if ($i) (data as any).i = $i.token;
 		if (token !== undefined) (data as any).i = token;
@@ -51,7 +51,7 @@ export function api<E extends keyof Endpoints, P extends Endpoints[E]['req']>(en
 }
 
 // Implements Misskey.api.ApiClient.request
-export function apiGet <E extends keyof Endpoints, P extends Endpoints[E]['req']>(endpoint: E, data: P = {} as any): Promise<Endpoints[E]['res']> {
+export function apiGet <E extends keyof Misskey.Endpoints, P extends Misskey.Endpoints[E]['req']>(endpoint: E, data: P = {} as any): Promise<Misskey.Endpoints[E]['res']> {
 	pendingApiRequestsCount.value++;
 
 	const onFinally = () => {
@@ -60,7 +60,7 @@ export function apiGet <E extends keyof Endpoints, P extends Endpoints[E]['req']
 
 	const query = new URLSearchParams(data as any);
 
-	const promise = new Promise<Endpoints[E]['res'] | void>((resolve, reject) => {
+	const promise = new Promise<Misskey.Endpoints[E]['res'] | void>((resolve, reject) => {
 		// Send request
 		window.fetch(`${apiUrl}/${endpoint}?${query}`, {
 			method: 'GET',
diff --git a/packages/frontend/src/scripts/array.ts b/packages/frontend/src/scripts/array.ts
index d83b001c87..082703a450 100644
--- a/packages/frontend/src/scripts/array.ts
+++ b/packages/frontend/src/scripts/array.ts
@@ -3,7 +3,8 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-import { EndoRelation, Predicate } from './relation.js';
+type EndoRelation<T> = (a: T, b: T) => boolean;
+type Predicate<T> = (x: T) => boolean;
 
 /**
  * Count the number of elements that satisfy the predicate
diff --git a/packages/frontend/src/scripts/get-note-menu.ts b/packages/frontend/src/scripts/get-note-menu.ts
index a0b8683be3..734a632039 100644
--- a/packages/frontend/src/scripts/get-note-menu.ts
+++ b/packages/frontend/src/scripts/get-note-menu.ts
@@ -5,7 +5,7 @@
 
 import { defineAsyncComponent, Ref } from 'vue';
 import * as Misskey from 'misskey-js';
-import { claimAchievement } from './achievements';
+import { claimAchievement } from './achievements.js';
 import { $i } from '@/account.js';
 import { i18n } from '@/i18n.js';
 import { instance } from '@/instance.js';
@@ -15,8 +15,8 @@ import { url } from '@/config.js';
 import { defaultStore, noteActions } from '@/store.js';
 import { miLocalStorage } from '@/local-storage.js';
 import { getUserMenu } from '@/scripts/get-user-menu.js';
-import { clipsCache } from '@/cache';
-import { MenuItem } from '@/types/menu';
+import { clipsCache } from '@/cache.js';
+import { MenuItem } from '@/types/menu.js';
 
 export async function getNoteClipMenu(props: {
 	note: Misskey.entities.Note;