Merge remote-tracking branch 'misskey/master' into feature/2024.9.0

37 files changed, 702 insertions, 1178 deletions

diff --git a/packages/frontend/src/scripts/aiscript/api.ts b/packages/frontend/src/scripts/aiscript/api.ts
index 98a0c61752..46aed49330 100644
--- a/packages/frontend/src/scripts/aiscript/api.ts
+++ b/packages/frontend/src/scripts/aiscript/api.ts
@@ -4,13 +4,13 @@
  */
 
 import { utils, values } from '@syuilo/aiscript';
+import * as Misskey from 'misskey-js';
 import * as os from '@/os.js';
 import { misskeyApi } from '@/scripts/misskey-api.js';
 import { $i } from '@/account.js';
 import { miLocalStorage } from '@/local-storage.js';
 import { customEmojis } from '@/custom-emojis.js';
-import { url, lang } from '@/config.js';
-import { nyaize } from '@/scripts/nyaize.js';
+import { url, lang } from '@@/js/config.js';
 
 export function aiScriptReadline(q: string): Promise<string> {
 	return new Promise(ok => {
@@ -87,7 +87,7 @@ export function createAiScriptEnv(opts) {
 		}),
 		'Mk:nyaize': values.FN_NATIVE(([text]) => {
 			utils.assertString(text);
-			return values.STR(nyaize(text.value));
+			return values.STR(Misskey.nyaize(text.value));
 		}),
 	};
 }
diff --git a/packages/frontend/src/scripts/aiscript/ui.ts b/packages/frontend/src/scripts/aiscript/ui.ts
index fa3fcac2e7..2b386bebb8 100644
--- a/packages/frontend/src/scripts/aiscript/ui.ts
+++ b/packages/frontend/src/scripts/aiscript/ui.ts
@@ -27,6 +27,8 @@ export type AsUiContainer = AsUiComponentBase & {
 	font?: 'serif' | 'sans-serif' | 'monospace';
 	borderWidth?: number;
 	borderColor?: string;
+	borderStyle?: 'hidden' | 'dotted' | 'dashed' | 'solid' | 'double' | 'groove' | 'ridge' | 'inset' | 'outset';
+	borderRadius?: number;
 	padding?: number;
 	rounded?: boolean;
 	hidden?: boolean;
@@ -173,6 +175,10 @@ function getContainerOptions(def: values.Value | undefined): Omit<AsUiContainer,
 	if (borderWidth) utils.assertNumber(borderWidth);
 	const borderColor = def.value.get('borderColor');
 	if (borderColor) utils.assertString(borderColor);
+	const borderStyle = def.value.get('borderStyle');
+	if (borderStyle) utils.assertString(borderStyle);
+	const borderRadius = def.value.get('borderRadius');
+	if (borderRadius) utils.assertNumber(borderRadius);
 	const padding = def.value.get('padding');
 	if (padding) utils.assertNumber(padding);
 	const rounded = def.value.get('rounded');
@@ -191,6 +197,8 @@ function getContainerOptions(def: values.Value | undefined): Omit<AsUiContainer,
 		font: font?.value,
 		borderWidth: borderWidth?.value,
 		borderColor: borderColor?.value,
+		borderStyle: borderStyle?.value,
+		borderRadius: borderRadius?.value,
 		padding: padding?.value,
 		rounded: rounded?.value,
 		hidden: hidden?.value,
diff --git a/packages/frontend/src/scripts/check-reaction-permissions.ts b/packages/frontend/src/scripts/check-reaction-permissions.ts
index 8fc857f84f..c3c3f419a9 100644
--- a/packages/frontend/src/scripts/check-reaction-permissions.ts
+++ b/packages/frontend/src/scripts/check-reaction-permissions.ts
@@ -4,7 +4,7 @@
  */
 
 import * as Misskey from 'misskey-js';
-import { UnicodeEmojiDef } from './emojilist.js';
+import { UnicodeEmojiDef } from '@@/js/emojilist.js';
 
 export function checkReactionPermissions(me: Misskey.entities.MeDetailed, note: Misskey.entities.Note, emoji: Misskey.entities.EmojiSimple | UnicodeEmojiDef | string): boolean {
 	if (typeof emoji === 'string') return true; // UnicodeEmojiDefにも無い絵文字であれば文字列で来る。Unicode絵文字であることには変わりないので常にリアクション可能とする;
diff --git a/packages/frontend/src/scripts/code-highlighter.ts b/packages/frontend/src/scripts/code-highlighter.ts
index e94027d302..6710d9826e 100644
--- a/packages/frontend/src/scripts/code-highlighter.ts
+++ b/packages/frontend/src/scripts/code-highlighter.ts
@@ -3,17 +3,17 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-import { getHighlighterCore, loadWasm } from 'shiki/core';
+import { createHighlighterCore, loadWasm } from 'shiki/core';
 import darkPlus from 'shiki/themes/dark-plus.mjs';
 import { bundledThemesInfo } from 'shiki/themes';
 import { bundledLanguagesInfo } from 'shiki/langs';
+import lightTheme from '@@/themes/_light.json5';
+import darkTheme from '@@/themes/_dark.json5';
 import { unique } from './array.js';
 import { deepClone } from './clone.js';
 import { deepMerge } from './merge.js';
 import type { HighlighterCore, LanguageRegistration, ThemeRegistration, ThemeRegistrationRaw } from 'shiki/core';
 import { ColdDeviceStorage } from '@/store.js';
-import lightTheme from '@/themes/_light.json5';
-import darkTheme from '@/themes/_dark.json5';
 
 let _highlighter: HighlighterCore | null = null;
 
@@ -69,7 +69,7 @@ async function initHighlighter() {
 	]);
 
 	const jsLangInfo = bundledLanguagesInfo.find(t => t.id === 'javascript');
-	const highlighter = await getHighlighterCore({
+	const highlighter = await createHighlighterCore({
 		themes,
 		langs: [
 			...(jsLangInfo ? [async () => await jsLangInfo.import()] : []),
diff --git a/packages/frontend/src/scripts/collapsed.ts b/packages/frontend/src/scripts/collapsed.ts
deleted file mode 100644
index 4ec88a3c65..0000000000
--- a/packages/frontend/src/scripts/collapsed.ts
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * SPDX-FileCopyrightText: syuilo and misskey-project
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-import * as Misskey from 'misskey-js';
-
-export function shouldCollapsed(note: Misskey.entities.Note, urls: string[]): boolean {
-	const collapsed = note.cw == null && (
-		note.text != null && (
-			(note.text.includes('$[x2')) ||
-			(note.text.includes('$[x3')) ||
-			(note.text.includes('$[x4')) ||
-			(note.text.includes('$[scale')) ||
-			(note.text.split('\n').length > 9) ||
-			(note.text.length > 500) ||
-			(urls.length >= 4)
-		) || note.files.length >= 5
-	);
-
-	return collapsed;
-}
diff --git a/packages/frontend/src/scripts/emoji-base.ts b/packages/frontend/src/scripts/emoji-base.ts
deleted file mode 100644
index 16a5a6aa5b..0000000000
--- a/packages/frontend/src/scripts/emoji-base.ts
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * SPDX-FileCopyrightText: syuilo and misskey-project
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-const twemojiSvgBase = '/twemoji';
-const fluentEmojiPngBase = '/fluent-emoji';
-const tossfaceSvgBase = '/tossface';
-
-export function char2twemojiFilePath(char: string): string {
-	let codes = Array.from(char, x => x.codePointAt(0)?.toString(16));
-	if (!codes.includes('200d')) codes = codes.filter(x => x !== 'fe0f');
-	codes = codes.filter(x => x && x.length);
-	const fileName = codes.join('-');
-	return `${twemojiSvgBase}/${fileName}.svg`;
-}
-
-export function char2fluentEmojiFilePath(char: string): string {
-	let codes = Array.from(char, x => x.codePointAt(0)?.toString(16));
-	// Fluent Emojiは国旗非対応 https://github.com/microsoft/fluentui-emoji/issues/25
-	if (codes[0]?.startsWith('1f1')) return char2twemojiFilePath(char);
-	if (!codes.includes('200d')) codes = codes.filter(x => x !== 'fe0f');
-	codes = codes.filter(x => x && x.length);
-	const fileName = codes.map(x => x!.padStart(4, '0')).join('-');
-	return `${fluentEmojiPngBase}/${fileName}.png`;
-}
-
-export function char2tossfaceFilePath(char: string): string {
-	let codes = Array.from(char, x => x.codePointAt(0)?.toString(16));
-	// Twemoji is the only emoji font which still supports the shibuya 50 emoji to this day
-	if (codes[0]?.startsWith('e50a')) return char2twemojiFilePath(char);
-	// Tossface does not use the fe0f modifier
-	codes = codes.filter(x => x !== 'fe0f');
-	codes = codes.filter(x => x && x.length);
-	const fileName = codes.join('-');
-	return `${tossfaceSvgBase}/${fileName}.svg`;
-}
diff --git a/packages/frontend/src/scripts/emojilist.ts b/packages/frontend/src/scripts/emojilist.ts
deleted file mode 100644
index 6565feba97..0000000000
--- a/packages/frontend/src/scripts/emojilist.ts
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * SPDX-FileCopyrightText: syuilo and misskey-project
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-export const unicodeEmojiCategories = ['face', 'people', 'animals_and_nature', 'food_and_drink', 'activity', 'travel_and_places', 'objects', 'symbols', 'flags'] as const;
-
-export type UnicodeEmojiDef = {
-	name: string;
-	char: string;
-	category: typeof unicodeEmojiCategories[number];
-}
-
-// initial converted from https://github.com/muan/emojilib/commit/242fe68be86ed6536843b83f7e32f376468b38fb
-import _emojilist from '../emojilist.json';
-
-export const emojilist: UnicodeEmojiDef[] = _emojilist.map(x => ({
-	name: x[1] as string,
-	char: x[0] as string,
-	category: unicodeEmojiCategories[x[2]],
-}));
-
-const unicodeEmojisMap = new Map<string, UnicodeEmojiDef>(
-	emojilist.map(x => [x.char, x]),
-);
-
-const _indexByChar = new Map<string, number>();
-const _charGroupByCategory = new Map<string, string[]>();
-for (let i = 0; i < emojilist.length; i++) {
-	const emo = emojilist[i];
-	_indexByChar.set(emo.char, i);
-
-	if (_charGroupByCategory.has(emo.category)) {
-		_charGroupByCategory.get(emo.category)?.push(emo.char);
-	} else {
-		_charGroupByCategory.set(emo.category, [emo.char]);
-	}
-}
-
-export const emojiCharByCategory = _charGroupByCategory;
-
-export function getUnicodeEmoji(char: string): UnicodeEmojiDef | string {
-	// Colorize it because emojilist.json assumes that
-	return unicodeEmojisMap.get(colorizeEmoji(char))
-		// カラースタイル絵文字がjsonに無い場合はテキストスタイル絵文字にフォールバックする
-		?? unicodeEmojisMap.get(char)
-		// それでも見つからない場合はそのまま返す（絵文字情報がjsonに無い場合、このフォールバックが無いとレンダリングに失敗する）
-		?? char;
-}
-
-export function getEmojiName(char: string): string {
-	// Colorize it because emojilist.json assumes that
-	const idx = _indexByChar.get(colorizeEmoji(char)) ?? _indexByChar.get(char);
-	if (idx === undefined) {
-		// 絵文字情報がjsonに無い場合は名前の取得が出来ないのでそのまま返すしか無い
-		return char;
-	} else {
-		return emojilist[idx].name;
-	}
-}
-
-/**
- * テキストスタイル絵文字（U+260Eなどの1文字で表現される絵文字）をカラースタイル絵文字に変換します（VS16:U+FE0Fを付与）。
- */
-export function colorizeEmoji(char: string) {
-	return char.length === 1 ? `${char}\uFE0F` : char;
-}
-
-export interface CustomEmojiFolderTree {
-	value: string;
-	category: string;
-	children: CustomEmojiFolderTree[];
-}
diff --git a/packages/frontend/src/scripts/extract-avg-color-from-blurhash.ts b/packages/frontend/src/scripts/extract-avg-color-from-blurhash.ts
deleted file mode 100644
index 992f6e9a16..0000000000
--- a/packages/frontend/src/scripts/extract-avg-color-from-blurhash.ts
+++ /dev/null
@@ -1,14 +0,0 @@
-/*
- * SPDX-FileCopyrightText: syuilo and misskey-project
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-export function extractAvgColorFromBlurhash(hash: string) {
-	return typeof hash === 'string'
-		? '#' + [...hash.slice(2, 6)]
-			.map(x => '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz#$%*+,-.:;=?@[]^_{|}~'.indexOf(x))
-			.reduce((a, c) => a * 83 + c, 0)
-			.toString(16)
-			.padStart(6, '0')
-		: undefined;
-}
diff --git a/packages/frontend/src/scripts/focus.ts b/packages/frontend/src/scripts/focus.ts
index eb2da5ad86..81278b17ea 100644
--- a/packages/frontend/src/scripts/focus.ts
+++ b/packages/frontend/src/scripts/focus.ts
@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-import { getScrollPosition, getScrollContainer, getStickyBottom, getStickyTop } from '@/scripts/scroll.js';
+import { getScrollPosition, getScrollContainer, getStickyBottom, getStickyTop } from '@@/js/scroll.js';
 import { getElementOrNull, getNodeOrNull } from '@/scripts/get-dom-node-or-null.js';
 
 type MaybeHTMLElement = EventTarget | Node | Element | HTMLElement;
diff --git a/packages/frontend/src/scripts/gen-search-query.ts b/packages/frontend/src/scripts/gen-search-query.ts
index 60884d08d3..a85ee01e26 100644
--- a/packages/frontend/src/scripts/gen-search-query.ts
+++ b/packages/frontend/src/scripts/gen-search-query.ts
@@ -4,7 +4,7 @@
  */
 
 import * as Misskey from 'misskey-js';
-import { host as localHost } from '@/config.js';
+import { host as localHost } from '@@/js/config.js';
 
 export async function genSearchQuery(v: any, q: string) {
 	let host: string;
diff --git a/packages/frontend/src/scripts/get-drive-file-menu.ts b/packages/frontend/src/scripts/get-drive-file-menu.ts
index 108648d640..c8ab9238d3 100644
--- a/packages/frontend/src/scripts/get-drive-file-menu.ts
+++ b/packages/frontend/src/scripts/get-drive-file-menu.ts
@@ -9,7 +9,7 @@ import { i18n } from '@/i18n.js';
 import { copyToClipboard } from '@/scripts/copy-to-clipboard.js';
 import * as os from '@/os.js';
 import { misskeyApi } from '@/scripts/misskey-api.js';
-import { MenuItem } from '@/types/menu.js';
+import type { MenuItem } from '@/types/menu.js';
 import { defaultStore } from '@/store.js';
 
 function rename(file: Misskey.entities.DriveFile) {
@@ -87,8 +87,10 @@ async function deleteFile(file: Misskey.entities.DriveFile) {
 
 export function getDriveFileMenu(file: Misskey.entities.DriveFile, folder?: Misskey.entities.DriveFolder | null): MenuItem[] {
 	const isImage = file.type.startsWith('image/');
-	let menu;
-	menu = [{
+
+	const menuItems: MenuItem[] = [];
+
+	menuItems.push({
 		type: 'link',
 		to: `/my/drive/file/${file.id}`,
 		text: i18n.ts._fileViewer.title,
@@ -109,14 +111,20 @@ export function getDriveFileMenu(file: Misskey.entities.DriveFile, folder?: Miss
 		text: i18n.ts.describeFile,
 		icon: 'ti ti-text-caption',
 		action: () => describe(file),
-	}, ...isImage ? [{
-		text: i18n.ts.cropImage,
-		icon: 'ti ti-crop',
-		action: () => os.cropImage(file, {
-			aspectRatio: NaN,
-			uploadFolder: folder ? folder.id : folder,
-		}),
-	}] : [], { type: 'divider' }, {
+	});
+
+	if (isImage) {
+		menuItems.push({
+			text: i18n.ts.cropImage,
+			icon: 'ti ti-crop',
+			action: () => os.cropImage(file, {
+				aspectRatio: NaN,
+				uploadFolder: folder ? folder.id : folder,
+			}),
+		});
+	}
+
+	menuItems.push({ type: 'divider' }, {
 		text: i18n.ts.createNoteFromTheFile,
 		icon: 'ti ti-pencil',
 		action: () => os.post({
@@ -138,17 +146,17 @@ export function getDriveFileMenu(file: Misskey.entities.DriveFile, folder?: Miss
 		icon: 'ti ti-trash',
 		danger: true,
 		action: () => deleteFile(file),
-	}];
+	});
 
 	if (defaultStore.state.devMode) {
-		menu = menu.concat([{ type: 'divider' }, {
+		menuItems.push({ type: 'divider' }, {
 			icon: 'ti ti-id',
 			text: i18n.ts.copyFileId,
 			action: () => {
 				copyToClipboard(file.id);
 			},
-		}]);
+		});
 	}
 
-	return menu;
+	return menuItems;
 }
diff --git a/packages/frontend/src/scripts/get-embed-code.ts b/packages/frontend/src/scripts/get-embed-code.ts
new file mode 100644
index 0000000000..158ab9c7f8
--- /dev/null
+++ b/packages/frontend/src/scripts/get-embed-code.ts
@@ -0,0 +1,87 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+import { defineAsyncComponent } from 'vue';
+import { v4 as uuid } from 'uuid';
+import type { EmbedParams, EmbeddableEntity } from '@@/js/embed-page.js';
+import { url } from '@@/js/config.js';
+import * as os from '@/os.js';
+import { copyToClipboard } from '@/scripts/copy-to-clipboard.js';
+import { defaultEmbedParams, embedRouteWithScrollbar } from '@@/js/embed-page.js';
+
+const MOBILE_THRESHOLD = 500;
+
+/**
+ * パラメータを正規化する（埋め込みコード作成用）
+ * @param params パラメータ
+ * @returns 正規化されたパラメータ
+ */
+export function normalizeEmbedParams(params: EmbedParams): Record<string, string> {
+	// paramsのvalueをすべてstringに変換。undefinedやnullはプロパティごと消す
+	const normalizedParams: Record<string, string> = {};
+	for (const key in params) {
+		// デフォルトの値と同じならparamsに含めない
+		if (params[key] == null || params[key] === defaultEmbedParams[key]) {
+			continue;
+		}
+		switch (typeof params[key]) {
+			case 'number':
+				normalizedParams[key] = params[key].toString();
+				break;
+			case 'boolean':
+				normalizedParams[key] = params[key] ? 'true' : 'false';
+				break;
+			default:
+				normalizedParams[key] = params[key];
+				break;
+		}
+	}
+	return normalizedParams;
+}
+
+/**
+ * 埋め込みコードを生成（iframe IDの発番もやる）
+ */
+export function getEmbedCode(path: string, params?: EmbedParams): string {
+	const iframeId = 'v1_' + uuid(); // 将来embed.jsのバージョンが上がったとき用にv1_を付けておく
+
+	let paramString = '';
+	if (params) {
+		const searchParams = new URLSearchParams(normalizeEmbedParams(params));
+		paramString = searchParams.toString() === '' ? '' : '?' + searchParams.toString();
+	}
+
+	const iframeCode = [
+		`<iframe src="${url + path + paramString}" data-misskey-embed-id="${iframeId}" loading="lazy" referrerpolicy="strict-origin-when-cross-origin" style="border: none; width: 100%; max-width: 500px; height: 300px; color-scheme: light dark;"></iframe>`,
+		`<script defer src="${url}/embed.js"></script>`,
+	];
+	return iframeCode.join('\n');
+}
+
+/**
+ * 埋め込みコードを生成してコピーする（カスタマイズ機能つき）
+ *
+ * カスタマイズ機能がいらない場合（事前にパラメータを指定する場合）は getEmbedCode を直接使ってください
+ */
+export function genEmbedCode(entity: EmbeddableEntity, id: string, params?: EmbedParams) {
+	const _params = { ...params };
+
+	if (embedRouteWithScrollbar.includes(entity) && _params.maxHeight == null) {
+		_params.maxHeight = 700;
+	}
+
+	// PCじゃない場合はコードカスタマイズ画面を出さずにそのままコピー
+	if (window.innerWidth < MOBILE_THRESHOLD) {
+		copyToClipboard(getEmbedCode(`/embed/${entity}/${id}`, _params));
+		os.success();
+	} else {
+		const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkEmbedCodeGenDialog.vue')), {
+			entity,
+			id,
+			params: _params,
+		}, {
+			closed: () => dispose(),
+		});
+	}
+}
diff --git a/packages/frontend/src/scripts/get-note-menu.ts b/packages/frontend/src/scripts/get-note-menu.ts
index a7ec4ce6d7..0fabd38d7f 100644
--- a/packages/frontend/src/scripts/get-note-menu.ts
+++ b/packages/frontend/src/scripts/get-note-menu.ts
@@ -12,15 +12,16 @@ import { instance } from '@/instance.js';
 import * as os from '@/os.js';
 import { misskeyApi } from '@/scripts/misskey-api.js';
 import { copyToClipboard } from '@/scripts/copy-to-clipboard.js';
-import { url } from '@/config.js';
+import { url } from '@@/js/config.js';
 import { defaultStore, noteActions } from '@/store.js';
 import { miLocalStorage } from '@/local-storage.js';
 import { getUserMenu } from '@/scripts/get-user-menu.js';
 import { clipsCache, favoritedChannelsCache } from '@/cache.js';
-import { MenuItem } from '@/types/menu.js';
+import type { MenuItem } from '@/types/menu.js';
 import MkRippleEffect from '@/components/MkRippleEffect.vue';
 import { isSupportShare } from '@/scripts/navigator.js';
 import { getAppearNote } from '@/scripts/get-appear-note.js';
+import { genEmbedCode } from '@/scripts/get-embed-code.js';
 
 export async function getNoteClipMenu(props: {
 	note: Misskey.entities.Note;
@@ -66,6 +67,11 @@ export async function getNoteClipMenu(props: {
 							});
 							if (props.currentClip?.id === clip.id) props.isDeleted.value = true;
 						}
+					} else if (err.id === 'f0dba960-ff73-4615-8df4-d6ac5d9dc118') {
+						os.alert({
+							type: 'error',
+							text: i18n.ts.clipNoteLimitExceeded,
+						});
 					} else {
 						os.alert({
 							type: 'error',
@@ -93,11 +99,13 @@ export async function getNoteClipMenu(props: {
 			const { canceled, result } = await os.form(i18n.ts.createNewClip, {
 				name: {
 					type: 'string',
+					default: null,
 					label: i18n.ts.name,
 				},
 				description: {
 					type: 'string',
 					required: false,
+					default: null,
 					multiline: true,
 					label: i18n.ts.description,
 				},
@@ -162,6 +170,19 @@ export function getCopyNoteOriginLinkMenu(note: misskey.entities.Note, text: str
 	};
 }
 
+function getNoteEmbedCodeMenu(note: Misskey.entities.Note, text: string): MenuItem | undefined {
+	if (note.url != null || note.uri != null) return undefined;
+	if (['specified', 'followers'].includes(note.visibility)) return undefined;
+
+	return {
+		icon: 'ti ti-code',
+		text,
+		action: (): void => {
+			genEmbedCode('notes', note.id);
+		},
+	};
+}
+
 export function getNoteMenu(props: {
 	note: Misskey.entities.Note;
 	translation: Ref<Misskey.entities.NotesTranslateResponse | null>;
@@ -267,7 +288,7 @@ export function getNoteMenu(props: {
 			title: i18n.ts.numberOfDays,
 		});
 
-		if (canceled) return;
+		if (canceled || days == null) return;
 
 		os.apiWithDialog('admin/promo/create', {
 			noteId: appearNote.id,
@@ -298,170 +319,180 @@ export function getNoteMenu(props: {
 		props.translation.value = res;
 	}
 
-	let menu: MenuItem[];
+	const menuItems: MenuItem[] = [];
+
 	if ($i) {
 		const statePromise = misskeyApi('notes/state', {
 			noteId: appearNote.id,
 		});
 
-		menu = [
-			...(
-				props.currentClip?.userId === $i.id ? [{
-					icon: 'ti ti-backspace',
-					text: i18n.ts.unclip,
-					danger: true,
-					action: unclip,
-				}, { type: 'divider' }] : []
-			), {
-				icon: 'ti ti-info-circle',
-				text: i18n.ts.details,
-				action: openDetail,
-			}, {
-				icon: 'ti ti-copy',
-				text: i18n.ts.copyContent,
-				action: copyContent,
-			}, getCopyNoteLinkMenu(appearNote, i18n.ts.copyLink)
-			, (appearNote.url || appearNote.uri) ?
-				getCopyNoteOriginLinkMenu(appearNote, 'Copy link (Origin)')
-			: undefined,
-			(appearNote.url || appearNote.uri) ? {
+		if (props.currentClip?.userId === $i.id) {
+			menuItems.push({
+				icon: 'ti ti-backspace',
+				text: i18n.ts.unclip,
+				danger: true,
+				action: unclip,
+			}, { type: 'divider' });
+		}
+
+		menuItems.push({
+			icon: 'ti ti-info-circle',
+			text: i18n.ts.details,
+			action: openDetail,
+		}, {
+			icon: 'ti ti-copy',
+			text: i18n.ts.copyContent,
+			action: copyContent,
+		}, getCopyNoteLinkMenu(appearNote, i18n.ts.copyLink));
+
+		if (appearNote.url || appearNote.uri) {
+			menuItems.push({
 				icon: 'ti ti-external-link',
 				text: i18n.ts.showOnRemote,
 				action: () => {
 					window.open(appearNote.url ?? appearNote.uri, '_blank', 'noopener');
 				},
-			} : undefined,
-			...(isSupportShare() ? [{
+			});
+		} else {
+			menuItems.push(getNoteEmbedCodeMenu(appearNote, i18n.ts.genEmbedCode));
+		}
+
+		if (isSupportShare()) {
+			menuItems.push({
 				icon: 'ti ti-share',
 				text: i18n.ts.share,
 				action: share,
-			}] : []),
-			$i && $i.policies.canUseTranslator && instance.translatorAvailable ? {
+			});
+		}
+
+		if ($i.policies.canUseTranslator && instance.translatorAvailable) {
+			menuItems.push({
 				icon: 'ti ti-language-hiragana',
 				text: i18n.ts.translate,
 				action: translate,
-			} : undefined,
-			{ type: 'divider' },
-			statePromise.then(state => state.isFavorited ? {
-				icon: 'ti ti-star-off',
-				text: i18n.ts.unfavorite,
-				action: () => toggleFavorite(false),
-			} : {
-				icon: 'ti ti-star',
-				text: i18n.ts.favorite,
-				action: () => toggleFavorite(true),
-			}),
-			{
-				type: 'parent' as const,
-				icon: 'ti ti-paperclip',
-				text: i18n.ts.clip,
-				children: () => getNoteClipMenu(props),
+			});
+		}
+
+		menuItems.push({ type: 'divider' });
+
+		menuItems.push(statePromise.then(state => state.isFavorited ? {
+			icon: 'ti ti-star-off',
+			text: i18n.ts.unfavorite,
+			action: () => toggleFavorite(false),
+		} : {
+			icon: 'ti ti-star',
+			text: i18n.ts.favorite,
+			action: () => toggleFavorite(true),
+		}));
+
+		menuItems.push({
+			type: 'parent',
+			icon: 'ti ti-paperclip',
+			text: i18n.ts.clip,
+			children: () => getNoteClipMenu(props),
+		});
+
+		menuItems.push(statePromise.then(state => state.isMutedThread ? {
+			icon: 'ti ti-message-off',
+			text: i18n.ts.unmuteThread,
+			action: () => toggleThreadMute(false),
+		} : {
+			icon: 'ti ti-message-off',
+			text: i18n.ts.muteThread,
+			action: () => toggleThreadMute(true),
+		}));
+
+		if (appearNote.userId === $i.id) {
+			if (($i.pinnedNoteIds ?? []).includes(appearNote.id)) {
+				menuItems.push({
+					icon: 'ti ti-pinned-off',
+					text: i18n.ts.unpin,
+					action: () => togglePin(false),
+				});
+			} else {
+				menuItems.push({
+					icon: 'ti ti-pin',
+					text: i18n.ts.pin,
+					action: () => togglePin(true),
+				});
+			}
+		}
+
+		menuItems.push({
+			type: 'parent',
+			icon: 'ti ti-user',
+			text: i18n.ts.user,
+			children: async () => {
+				const user = appearNote.userId === $i?.id ? $i : await misskeyApi('users/show', { userId: appearNote.userId });
+				const { menu, cleanup } = getUserMenu(user);
+				cleanups.push(cleanup);
+				return menu;
 			},
-			statePromise.then(state => state.isMutedThread ? {
-				icon: 'ti ti-message-off',
-				text: i18n.ts.unmuteThread,
-				action: () => toggleThreadMute(false),
-			} : {
-				icon: 'ti ti-message-off',
-				text: i18n.ts.muteThread,
-				action: () => toggleThreadMute(true),
-			}),
-			appearNote.userId === $i.id ? ($i.pinnedNoteIds ?? []).includes(appearNote.id) ? {
-				icon: 'ti ti-pinned-off',
-				text: i18n.ts.unpin,
-				action: () => togglePin(false),
-			} : {
-				icon: 'ti ti-pin',
-				text: i18n.ts.pin,
-				action: () => togglePin(true),
-			} : undefined,
-			{
-				type: 'parent' as const,
-				icon: 'ti ti-user',
-				text: i18n.ts.user,
+		});
+
+		if (appearNote.userId !== $i.id) {
+			menuItems.push({ type: 'divider' });
+			menuItems.push(getAbuseNoteMenu(appearNote, i18n.ts.reportAbuse));
+		}
+
+		if (appearNote.channel && (appearNote.channel.userId === $i.id || $i.isModerator || $i.isAdmin)) {
+			menuItems.push({ type: 'divider' });
+			menuItems.push({
+				type: 'parent',
+				icon: 'ti ti-device-tv',
+				text: i18n.ts.channel,
 				children: async () => {
-					const user = appearNote.userId === $i?.id ? $i : await misskeyApi('users/show', { userId: appearNote.userId });
-					const { menu, cleanup } = getUserMenu(user);
-					cleanups.push(cleanup);
-					return menu;
-				},
-			},
-			/*
-		...($i.isModerator || $i.isAdmin ? [
-			{ type: 'divider' },
-			{
-				icon: 'ti ti-speakerphone',
-				text: i18n.ts.promote,
-				action: promote
-			}]
-			: []
-		),*/
-			...(appearNote.userId !== $i.id ? [
-				{ type: 'divider' },
-				appearNote.userId !== $i.id ? getAbuseNoteMenu(appearNote, i18n.ts.reportAbuse) : undefined,
-			]
-			: []
-			),
-			...(appearNote.channel && (appearNote.channel.userId === $i.id || $i.isModerator || $i.isAdmin) ? [
-				{ type: 'divider' },
-				{
-					type: 'parent' as const,
-					icon: 'ti ti-device-tv',
-					text: i18n.ts.channel,
-					children: async () => {
-						const channelChildMenu = [] as MenuItem[];
+					const channelChildMenu = [] as MenuItem[];
 
-						const channel = await misskeyApi('channels/show', { channelId: appearNote.channel!.id });
+					const channel = await misskeyApi('channels/show', { channelId: appearNote.channel!.id });
 
-						if (channel.pinnedNoteIds.includes(appearNote.id)) {
-							channelChildMenu.push({
-								icon: 'ti ti-pinned-off',
-								text: i18n.ts.unpin,
-								action: () => os.apiWithDialog('channels/update', {
-									channelId: appearNote.channel!.id,
-									pinnedNoteIds: channel.pinnedNoteIds.filter(id => id !== appearNote.id),
-								}),
-							});
-						} else {
-							channelChildMenu.push({
-								icon: 'ti ti-pin',
-								text: i18n.ts.pin,
-								action: () => os.apiWithDialog('channels/update', {
-									channelId: appearNote.channel!.id,
-									pinnedNoteIds: [...channel.pinnedNoteIds, appearNote.id],
-								}),
-							});
-						}
-						return channelChildMenu;
-					},
+					if (channel.pinnedNoteIds.includes(appearNote.id)) {
+						channelChildMenu.push({
+							icon: 'ti ti-pinned-off',
+							text: i18n.ts.unpin,
+							action: () => os.apiWithDialog('channels/update', {
+								channelId: appearNote.channel!.id,
+								pinnedNoteIds: channel.pinnedNoteIds.filter(id => id !== appearNote.id),
+							}),
+						});
+					} else {
+						channelChildMenu.push({
+							icon: 'ti ti-pin',
+							text: i18n.ts.pin,
+							action: () => os.apiWithDialog('channels/update', {
+								channelId: appearNote.channel!.id,
+								pinnedNoteIds: [...channel.pinnedNoteIds, appearNote.id],
+							}),
+						});
+					}
+					return channelChildMenu;
 				},
-			]
-			: []
-			),
-			...(appearNote.userId === $i.id || $i.isModerator || $i.isAdmin ? [
-				{ type: 'divider' },
-				appearNote.userId === $i.id ? {
+			});
+		}
+
+		if (appearNote.userId === $i.id || $i.isModerator || $i.isAdmin) {
+			menuItems.push({ type: 'divider' });
+			if (appearNote.userId === $i.id) {
+				menuItems.push({
 					icon: 'ph-pencil-simple ph-bold ph-lg',
 					text: i18n.ts.edit,
 					action: edit,
-				} : undefined,
-				{
+				});
+				menuItems.push({
 					icon: 'ti ti-edit',
 					text: i18n.ts.deleteAndEdit,
-					danger: true,
 					action: delEdit,
-				},
-				{
-					icon: 'ti ti-trash',
-					text: i18n.ts.delete,
-					danger: true,
-					action: del,
-				}]
-			: []
-			)]
-			.filter(x => x !== undefined);
+				});
+			}
+			menuItems.push({
+				icon: 'ti ti-trash',
+				text: i18n.ts.delete,
+				danger: true,
+				action: del,
+			});
+		}
 	} else {
-		menu = [{
+		menuItems.push({
 			icon: 'ti ti-info-circle',
 			text: i18n.ts.details,
 			action: openDetail,
@@ -469,38 +500,45 @@ export function getNoteMenu(props: {
 			icon: 'ti ti-copy',
 			text: i18n.ts.copyContent,
 			action: copyContent,
-		}, getCopyNoteLinkMenu(appearNote, i18n.ts.copyLink)
-		, (appearNote.url || appearNote.uri) ?
-			getCopyNoteOriginLinkMenu(appearNote, 'Copy link (Origin)')
-		: undefined,
-		(appearNote.url || appearNote.uri) ? {
-			icon: 'ti ti-external-link',
-			text: i18n.ts.showOnRemote,
-			action: () => {
-				window.open(appearNote.url ?? appearNote.uri, '_blank', 'noopener');
-			},
-		} : undefined]
-			.filter(x => x !== undefined);
+		}, getCopyNoteLinkMenu(appearNote, i18n.ts.copyLink));
+
+		if (appearNote.url || appearNote.uri) {
+			menuItems.push(
+				getCopyNoteOriginLinkMenu(appearNote, 'Copy link (Origin)')
+			);
+			menuItems.push({
+				icon: 'ti ti-external-link',
+				text: i18n.ts.showOnRemote,
+				action: () => {
+					window.open(appearNote.url ?? appearNote.uri, '_blank', 'noopener');
+				},
+			});
+		} else {
+			menuItems.push(getNoteEmbedCodeMenu(appearNote, i18n.ts.genEmbedCode));
+		}
 	}
 
 	if (noteActions.length > 0) {
-		menu = menu.concat([{ type: "divider" }, ...noteActions.map(action => ({
+		menuItems.push({ type: 'divider' });
+
+		menuItems.push(...noteActions.map(action => ({
 			icon: 'ti ti-plug',
 			text: action.title,
 			action: () => {
 				action.handler(appearNote);
 			},
-		}))]);
+		})));
 	}
 
 	if (defaultStore.state.devMode) {
-		menu = menu.concat([{ type: "divider" }, {
+		menuItems.push({ type: 'divider' }, {
 			icon: 'ti ti-id',
 			text: i18n.ts.copyNoteId,
 			action: () => {
 				copyToClipboard(appearNote.id);
+				os.success();
 			},
-		}]);
+		});
 	}
 
 	const cleanup = () => {
@@ -511,7 +549,7 @@ export function getNoteMenu(props: {
 	};
 
 	return {
-		menu,
+		menu: menuItems,
 		cleanup,
 	};
 }
diff --git a/packages/frontend/src/scripts/get-user-menu.ts b/packages/frontend/src/scripts/get-user-menu.ts
index 33f16a68aa..d15279d633 100644
--- a/packages/frontend/src/scripts/get-user-menu.ts
+++ b/packages/frontend/src/scripts/get-user-menu.ts
@@ -8,7 +8,7 @@ import { defineAsyncComponent, ref, watch } from 'vue';
 import * as Misskey from 'misskey-js';
 import { i18n } from '@/i18n.js';
 import { copyToClipboard } from '@/scripts/copy-to-clipboard.js';
-import { host, url } from '@/config.js';
+import { host, url } from '@@/js/config.js';
 import * as os from '@/os.js';
 import { misskeyApi } from '@/scripts/misskey-api.js';
 import { defaultStore, userActions } from '@/store.js';
@@ -17,7 +17,8 @@ import { notesSearchAvailable, canSearchNonLocalNotes } from '@/scripts/check-pe
 import { IRouter } from '@/nirax.js';
 import { antennasCache, rolesCache, userListsCache } from '@/cache.js';
 import { mainRouter } from '@/router/main.js';
-import { MenuItem } from '@/types/menu.js';
+import { genEmbedCode } from '@/scripts/get-embed-code.js';
+import type { MenuItem } from '@/types/menu.js';
 
 export function getUserMenu(user: Misskey.entities.UserDetailed, router: IRouter = mainRouter) {
 	const meId = $i ? $i.id : null;
@@ -147,123 +148,154 @@ export function getUserMenu(user: Misskey.entities.UserDetailed, router: IRouter
 		});
 	}
 
-	let menu: MenuItem[] = [{
+	const menuItems: MenuItem[] = [];
+
+	menuItems.push({
 		icon: 'ti ti-at',
 		text: i18n.ts.copyUsername,
 		action: () => {
 			copyToClipboard(`@${user.username}@${user.host ?? host}`);
 		},
-	}, ...( notesSearchAvailable && (user.host == null || canSearchNonLocalNotes) ? [{
-		icon: 'ti ti-search',
-		text: i18n.ts.searchThisUsersNotes,
-		action: () => {
-			router.push(`/search?username=${encodeURIComponent(user.username)}${user.host != null ? '&host=' + encodeURIComponent(user.host) : ''}`);
-		},
-	}] : [])
-	, ...(iAmModerator ? [{
-		icon: 'ti ti-user-exclamation',
-		text: i18n.ts.moderation,
-		action: () => {
-			router.push(`/admin/user/${user.id}`);
-		},
-	}] : []), {
+	});
+
+	if (notesSearchAvailable && (user.host == null || canSearchNonLocalNotes)) {
+		menuItems.push({
+			icon: 'ti ti-search',
+			text: i18n.ts.searchThisUsersNotes,
+			action: () => {
+				router.push(`/search?username=${encodeURIComponent(user.username)}${user.host != null ? '&host=' + encodeURIComponent(user.host) : ''}`);
+			},
+		});
+	}
+
+	if (iAmModerator) {
+		menuItems.push({
+			icon: 'ti ti-user-exclamation',
+			text: i18n.ts.moderation,
+			action: () => {
+				router.push(`/admin/user/${user.id}`);
+			},
+		});
+	}
+
+	menuItems.push({
 		icon: 'ti ti-rss',
 		text: i18n.ts.copyRSS,
 		action: () => {
 			copyToClipboard(`${user.host ?? host}/@${user.username}.atom`);
 		},
-	}, ...(user.host != null && user.url != null ? [{
-		icon: 'ti ti-external-link',
-		text: i18n.ts.showOnRemote,
-		action: () => {
-			if (user.url == null) return;
-			window.open(user.url, '_blank', 'noopener');
-		},
-	}] : []), {
+	});
+
+	if (user.host != null && user.url != null) {
+		menuItems.push({
+			icon: 'ti ti-external-link',
+			text: i18n.ts.showOnRemote,
+			action: () => {
+				if (user.url == null) return;
+				window.open(user.url, '_blank', 'noopener');
+			},
+		});
+	} else {
+		menuItems.push({
+			icon: 'ti ti-code',
+			text: i18n.ts.genEmbedCode,
+			type: 'parent',
+			children: [{
+				text: i18n.ts.noteOfThisUser,
+				action: () => {
+					genEmbedCode('user-timeline', user.id);
+				},
+			}], // TODO: ユーザーカードの埋め込みなど
+		});
+	}
+
+	menuItems.push({
 		icon: 'ti ti-share',
 		text: i18n.ts.copyProfileUrl,
 		action: () => {
 			const canonical = user.host === null ? `@${user.username}` : `@${user.username}@${toUnicode(user.host)}`;
 			copyToClipboard(`${url}/${canonical}`);
 		},
-	}, ...($i ? [{
-		icon: 'ti ti-mail',
-		text: i18n.ts.sendMessage,
-		action: () => {
-			const canonical = user.host === null ? `@${user.username}` : `@${user.username}@${user.host}`;
-			os.post({ specified: user, initialText: `${canonical} ` });
-		},
-	}, { type: 'divider' }, {
-		icon: 'ti ti-pencil',
-		text: i18n.ts.editMemo,
-		action: () => {
-			editMemo();
-		},
-	}, {
-		type: 'parent',
-		icon: 'ti ti-list',
-		text: i18n.ts.addToList,
-		children: async () => {
-			const lists = await userListsCache.fetch();
-			return lists.map(list => {
-				const isListed = ref(list.userIds.includes(user.id));
-				cleanups.push(watch(isListed, () => {
-					if (isListed.value) {
-						os.apiWithDialog('users/lists/push', {
-							listId: list.id,
-							userId: user.id,
-						}).then(() => {
-							list.userIds.push(user.id);
-						});
-					} else {
-						os.apiWithDialog('users/lists/pull', {
-							listId: list.id,
-							userId: user.id,
-						}).then(() => {
-							list.userIds.splice(list.userIds.indexOf(user.id), 1);
+	});
+
+	if ($i) {
+		menuItems.push({
+			icon: 'ti ti-mail',
+			text: i18n.ts.sendMessage,
+			action: () => {
+				const canonical = user.host === null ? `@${user.username}` : `@${user.username}@${user.host}`;
+				os.post({ specified: user, initialText: `${canonical} ` });
+			},
+		}, { type: 'divider' }, {
+			icon: 'ti ti-pencil',
+			text: i18n.ts.editMemo,
+			action: editMemo,
+		}, {
+			type: 'parent',
+			icon: 'ti ti-list',
+			text: i18n.ts.addToList,
+			children: async () => {
+				const lists = await userListsCache.fetch();
+				return lists.map(list => {
+					const isListed = ref(list.userIds?.includes(user.id) ?? false);
+					cleanups.push(watch(isListed, () => {
+						if (isListed.value) {
+							os.apiWithDialog('users/lists/push', {
+								listId: list.id,
+								userId: user.id,
+							}).then(() => {
+								list.userIds?.push(user.id);
+							});
+						} else {
+							os.apiWithDialog('users/lists/pull', {
+								listId: list.id,
+								userId: user.id,
+							}).then(() => {
+								list.userIds?.splice(list.userIds?.indexOf(user.id), 1);
+							});
+						}
+					}));
+
+					return {
+						type: 'switch',
+						text: list.name,
+						ref: isListed,
+					};
+				});
+			},
+		}, {
+			type: 'parent',
+			icon: 'ti ti-antenna',
+			text: i18n.ts.addToAntenna,
+			children: async () => {
+				const antennas = await antennasCache.fetch();
+				const canonical = user.host === null ? `@${user.username}` : `@${user.username}@${toUnicode(user.host)}`;
+				return antennas.filter((a) => a.src === 'users').map(antenna => ({
+					text: antenna.name,
+					action: async () => {
+						await os.apiWithDialog('antennas/update', {
+							antennaId: antenna.id,
+							name: antenna.name,
+							keywords: antenna.keywords,
+							excludeKeywords: antenna.excludeKeywords,
+							src: antenna.src,
+							userListId: antenna.userListId,
+							users: [...antenna.users, canonical],
+							caseSensitive: antenna.caseSensitive,
+							withReplies: antenna.withReplies,
+							withFile: antenna.withFile,
+							notify: antenna.notify,
 						});
-					}
+						antennasCache.delete();
+					},
 				}));
-
-				return {
-					type: 'switch',
-					text: list.name,
-					ref: isListed,
-				};
-			});
-		},
-	}, {
-		type: 'parent',
-		icon: 'ti ti-antenna',
-		text: i18n.ts.addToAntenna,
-		children: async () => {
-			const antennas = await antennasCache.fetch();
-			const canonical = user.host === null ? `@${user.username}` : `@${user.username}@${toUnicode(user.host)}`;
-			return antennas.filter((a) => a.src === 'users').map(antenna => ({
-				text: antenna.name,
-				action: async () => {
-					await os.apiWithDialog('antennas/update', {
-						antennaId: antenna.id,
-						name: antenna.name,
-						keywords: antenna.keywords,
-						excludeKeywords: antenna.excludeKeywords,
-						src: antenna.src,
-						userListId: antenna.userListId,
-						users: [...antenna.users, canonical],
-						caseSensitive: antenna.caseSensitive,
-						withReplies: antenna.withReplies,
-						withFile: antenna.withFile,
-						notify: antenna.notify,
-					});
-					antennasCache.delete();
-				},
-			}));
-		},
-	}] : [])] as any;
+			},
+		});
+	}
 
 	if ($i && meId !== user.id) {
 		if (iAmModerator) {
-			menu = menu.concat([{
+			menuItems.push({
 				type: 'parent',
 				icon: 'ti ti-badges',
 				text: i18n.ts.roles,
@@ -301,13 +333,14 @@ export function getUserMenu(user: Misskey.entities.UserDetailed, router: IRouter
 						},
 					}));
 				},
-			}]);
+			});
 		}
 
 		// フォローしたとしても user.isFollowing はリアルタイム更新されないので不便なため
 		//if (user.isFollowing) {
-		const withRepliesRef = ref(user.withReplies);
-		menu = menu.concat([{
+		const withRepliesRef = ref(user.withReplies ?? false);
+
+		menuItems.push({
 			type: 'switch',
 			icon: 'ti ti-messages',
 			text: i18n.ts.showRepliesToOthersInTimeline,
@@ -316,7 +349,8 @@ export function getUserMenu(user: Misskey.entities.UserDetailed, router: IRouter
 			icon: user.notify === 'none' ? 'ti ti-bell' : 'ti ti-bell-off',
 			text: user.notify === 'none' ? i18n.ts.notifyNotes : i18n.ts.unnotifyNotes,
 			action: toggleNotify,
-		}]);
+		});
+
 		watch(withRepliesRef, (withReplies) => {
 			misskeyApi('following/update', {
 				userId: user.id,
@@ -327,7 +361,7 @@ export function getUserMenu(user: Misskey.entities.UserDetailed, router: IRouter
 		});
 		//}
 
-		menu = menu.concat([{ type: 'divider' }, {
+		menuItems.push({ type: 'divider' }, {
 			icon: user.isMuted ? 'ti ti-eye' : 'ti ti-eye-off',
 			text: user.isMuted ? i18n.ts.unmute : i18n.ts.mute,
 			action: toggleMute,
@@ -339,70 +373,68 @@ export function getUserMenu(user: Misskey.entities.UserDetailed, router: IRouter
 			icon: 'ti ti-ban',
 			text: user.isBlocking ? i18n.ts.unblock : i18n.ts.block,
 			action: toggleBlock,
-		}]);
+		});
 
 		if (user.isFollowed) {
-			menu = menu.concat([{
+			menuItems.push({
 				icon: 'ti ti-link-off',
 				text: i18n.ts.breakFollow,
 				action: invalidateFollow,
-			}]);
+			});
 		}
 
-		menu = menu.concat([{ type: 'divider' }, {
+		menuItems.push({ type: 'divider' }, {
 			icon: 'ti ti-exclamation-circle',
 			text: i18n.ts.reportAbuse,
 			action: reportAbuse,
-		}]);
+		});
 	}
 
 	if (user.host !== null) {
-		menu = menu.concat([{ type: 'divider' }, {
+		menuItems.push({ type: 'divider' }, {
 			icon: 'ti ti-refresh',
 			text: i18n.ts.updateRemoteUser,
 			action: userInfoUpdate,
-		}]);
+		});
 	}
 
 	if (defaultStore.state.devMode) {
-		menu = menu.concat([{ type: 'divider' }, {
+		menuItems.push({ type: 'divider' }, {
 			icon: 'ti ti-id',
 			text: i18n.ts.copyUserId,
 			action: () => {
 				copyToClipboard(user.id);
 			},
-		}]);
+		});
 	}
 
 	if ($i && meId === user.id) {
-		menu = menu.concat([{ type: 'divider' }, {
+		menuItems.push({ type: 'divider' }, {
 			icon: 'ti ti-pencil',
 			text: i18n.ts.editProfile,
 			action: () => {
 				router.push('/settings/profile');
 			},
-		}]);
+		});
 	}
 
 	if (userActions.length > 0) {
-		menu = menu.concat([{ type: 'divider' }, ...userActions.map(action => ({
+		menuItems.push({ type: 'divider' }, ...userActions.map(action => ({
 			icon: 'ti ti-plug',
 			text: action.title,
 			action: () => {
 				action.handler(user);
 			},
-		}))]);
+		})));
 	}
 
-	const cleanup = () => {
-		if (_DEV_) console.log('user menu cleanup', cleanups);
-		for (const cl of cleanups) {
-			cl();
-		}
-	};
-
 	return {
-		menu,
-		cleanup,
+		menu: menuItems,
+		cleanup: () => {
+			if (_DEV_) console.log('user menu cleanup', cleanups);
+			for (const cl of cleanups) {
+				cl();
+			}
+		},
 	};
 }
diff --git a/packages/frontend/src/scripts/i18n.ts b/packages/frontend/src/scripts/i18n.ts
deleted file mode 100644
index c2f44a33cc..0000000000
--- a/packages/frontend/src/scripts/i18n.ts
+++ /dev/null
@@ -1,294 +0,0 @@
-/*
- * SPDX-FileCopyrightText: syuilo and misskey-project
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-import type { ILocale, ParameterizedString } from '../../../../locales/index.js';
-
-type FlattenKeys<T extends ILocale, TPrediction> = keyof {
-	[K in keyof T as T[K] extends ILocale
-		? FlattenKeys<T[K], TPrediction> extends infer C extends string
-			? `${K & string}.${C}`
-			: never
-		: T[K] extends TPrediction
-			? K
-			: never]: T[K];
-};
-
-type ParametersOf<T extends ILocale, TKey extends FlattenKeys<T, ParameterizedString>> = TKey extends `${infer K}.${infer C}`
-	// @ts-expect-error -- C は明らかに FlattenKeys<T[K], ParameterizedString> になるが、型システムはここでは TKey がドット区切りであることのコンテキストを持たないので、型システムに合法にて示すことはできない。
-	? ParametersOf<T[K], C>
-	: TKey extends keyof T
-		? T[TKey] extends ParameterizedString<infer P>
-			? P
-			: never
-		: never;
-
-type Tsx<T extends ILocale> = {
-	readonly [K in keyof T as T[K] extends string ? never : K]: T[K] extends ParameterizedString<infer P>
-		? (arg: { readonly [_ in P]: string | number }) => string
-		// @ts-expect-error -- 証明省略
-		: Tsx<T[K]>;
-};
-
-export class I18n<T extends ILocale> {
-	private tsxCache?: Tsx<T>;
-
-	constructor(public locale: T) {
-		//#region BIND
-		this.t = this.t.bind(this);
-		//#endregion
-	}
-
-	public get ts(): T {
-		if (_DEV_) {
-			class Handler<TTarget extends ILocale> implements ProxyHandler<TTarget> {
-				get(target: TTarget, p: string | symbol): unknown {
-					const value = target[p as keyof TTarget];
-
-					if (typeof value === 'object') {
-						return new Proxy(value, new Handler<TTarget[keyof TTarget] & ILocale>());
-					}
-
-					if (typeof value === 'string') {
-						const parameters = Array.from(value.matchAll(/\{(\w+)\}/g), ([, parameter]) => parameter);
-
-						if (parameters.length) {
-							console.error(`Missing locale parameters: ${parameters.join(', ')} at ${String(p)}`);
-						}
-
-						return value;
-					}
-
-					console.error(`Unexpected locale key: ${String(p)}`);
-
-					return p;
-				}
-			}
-
-			return new Proxy(this.locale, new Handler());
-		}
-
-		return this.locale;
-	}
-
-	public get tsx(): Tsx<T> {
-		if (_DEV_) {
-			if (this.tsxCache) {
-				return this.tsxCache;
-			}
-
-			class Handler<TTarget extends ILocale> implements ProxyHandler<TTarget> {
-				get(target: TTarget, p: string | symbol): unknown {
-					const value = target[p as keyof TTarget];
-
-					if (typeof value === 'object') {
-						return new Proxy(value, new Handler<TTarget[keyof TTarget] & ILocale>());
-					}
-
-					if (typeof value === 'string') {
-						const quasis: string[] = [];
-						const expressions: string[] = [];
-						let cursor = 0;
-
-						while (~cursor) {
-							const start = value.indexOf('{', cursor);
-
-							if (!~start) {
-								quasis.push(value.slice(cursor));
-								break;
-							}
-
-							quasis.push(value.slice(cursor, start));
-
-							const end = value.indexOf('}', start);
-
-							expressions.push(value.slice(start + 1, end));
-
-							cursor = end + 1;
-						}
-
-						if (!expressions.length) {
-							console.error(`Unexpected locale key: ${String(p)}`);
-
-							return () => value;
-						}
-
-						return (arg) => {
-							let str = quasis[0];
-
-							for (let i = 0; i < expressions.length; i++) {
-								if (!Object.hasOwn(arg, expressions[i])) {
-									console.error(`Missing locale parameters: ${expressions[i]} at ${String(p)}`);
-								}
-
-								str += arg[expressions[i]] + quasis[i + 1];
-							}
-
-							return str;
-						};
-					}
-
-					console.error(`Unexpected locale key: ${String(p)}`);
-
-					return p;
-				}
-			}
-
-			return this.tsxCache = new Proxy(this.locale, new Handler()) as unknown as Tsx<T>;
-		}
-
-		// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
-		if (this.tsxCache) {
-			return this.tsxCache;
-		}
-
-		function build(target: ILocale): Tsx<T> {
-			const result = {} as Tsx<T>;
-
-			for (const k in target) {
-				if (!Object.hasOwn(target, k)) {
-					continue;
-				}
-
-				const value = target[k as keyof typeof target];
-
-				if (typeof value === 'object') {
-					result[k] = build(value as ILocale);
-				} else if (typeof value === 'string') {
-					const quasis: string[] = [];
-					const expressions: string[] = [];
-					let cursor = 0;
-
-					while (~cursor) {
-						const start = value.indexOf('{', cursor);
-
-						if (!~start) {
-							quasis.push(value.slice(cursor));
-							break;
-						}
-
-						quasis.push(value.slice(cursor, start));
-
-						const end = value.indexOf('}', start);
-
-						expressions.push(value.slice(start + 1, end));
-
-						cursor = end + 1;
-					}
-
-					if (!expressions.length) {
-						continue;
-					}
-
-					result[k] = (arg) => {
-						let str = quasis[0];
-
-						for (let i = 0; i < expressions.length; i++) {
-							str += arg[expressions[i]] + quasis[i + 1];
-						}
-
-						return str;
-					};
-				}
-			}
-			return result;
-		}
-
-		return this.tsxCache = build(this.locale);
-	}
-
-	/**
-	 * @deprecated なるべくこのメソッド使うよりも ts 直接参照の方が vue のキャッシュ効いてパフォーマンスが良いかも
-	 */
-	public t<TKey extends FlattenKeys<T, string>>(key: TKey): string;
-	/**
-	 * @deprecated なるべくこのメソッド使うよりも tsx 直接参照の方が vue のキャッシュ効いてパフォーマンスが良いかも
-	 */
-	public t<TKey extends FlattenKeys<T, ParameterizedString>>(key: TKey, args: { readonly [_ in ParametersOf<T, TKey>]: string | number }): string;
-	public t(key: string, args?: { readonly [_: string]: string | number }) {
-		let str: string | ParameterizedString | ILocale = this.locale;
-
-		for (const k of key.split('.')) {
-			str = str[k];
-
-			if (_DEV_) {
-				if (typeof str === 'undefined') {
-					console.error(`Unexpected locale key: ${key}`);
-					return key;
-				}
-			}
-		}
-
-		if (args) {
-			if (_DEV_) {
-				const missing = Array.from((str as string).matchAll(/\{(\w+)\}/g), ([, parameter]) => parameter).filter(parameter => !Object.hasOwn(args, parameter));
-
-				if (missing.length) {
-					console.error(`Missing locale parameters: ${missing.join(', ')} at ${key}`);
-				}
-			}
-
-			for (const [k, v] of Object.entries(args)) {
-				const search = `{${k}}`;
-
-				if (_DEV_) {
-					if (!(str as string).includes(search)) {
-						console.error(`Unexpected locale parameter: ${k} at ${key}`);
-					}
-				}
-
-				str = (str as string).replace(search, v.toString());
-			}
-		}
-
-		return str;
-	}
-}
-
-if (import.meta.vitest) {
-	const { describe, expect, it } = import.meta.vitest;
-
-	describe('i18n', () => {
-		it('t', () => {
-			const i18n = new I18n({
-				foo: 'foo',
-				bar: {
-					baz: 'baz',
-					qux: 'qux {0}' as unknown as ParameterizedString<'0'>,
-					quux: 'quux {0} {1}' as unknown as ParameterizedString<'0' | '1'>,
-				},
-			});
-
-			expect(i18n.t('foo')).toBe('foo');
-			expect(i18n.t('bar.baz')).toBe('baz');
-			expect(i18n.tsx.bar.qux({ 0: 'hoge' })).toBe('qux hoge');
-			expect(i18n.tsx.bar.quux({ 0: 'hoge', 1: 'fuga' })).toBe('quux hoge fuga');
-		});
-		it('ts', () => {
-			const i18n = new I18n({
-				foo: 'foo',
-				bar: {
-					baz: 'baz',
-					qux: 'qux {0}' as unknown as ParameterizedString<'0'>,
-					quux: 'quux {0} {1}' as unknown as ParameterizedString<'0' | '1'>,
-				},
-			});
-
-			expect(i18n.ts.foo).toBe('foo');
-			expect(i18n.ts.bar.baz).toBe('baz');
-		});
-		it('tsx', () => {
-			const i18n = new I18n({
-				foo: 'foo',
-				bar: {
-					baz: 'baz',
-					qux: 'qux {0}' as unknown as ParameterizedString<'0'>,
-					quux: 'quux {0} {1}' as unknown as ParameterizedString<'0' | '1'>,
-				},
-			});
-
-			expect(i18n.tsx.bar.qux({ 0: 'hoge' })).toBe('qux hoge');
-			expect(i18n.tsx.bar.quux({ 0: 'hoge', 1: 'fuga' })).toBe('quux hoge fuga');
-		});
-	});
-}
diff --git a/packages/frontend/src/scripts/idb-proxy.ts b/packages/frontend/src/scripts/idb-proxy.ts
index 6b511f2a5f..20f51660c7 100644
--- a/packages/frontend/src/scripts/idb-proxy.ts
+++ b/packages/frontend/src/scripts/idb-proxy.ts
@@ -10,10 +10,11 @@ import {
 	set as iset,
 	del as idel,
 } from 'idb-keyval';
+import { miLocalStorage } from '@/local-storage.js';
 
-const fallbackName = (key: string) => `idbfallback::${key}`;
+const PREFIX = 'idbfallback::';
 
-let idbAvailable = typeof window !== 'undefined' ? !!(window.indexedDB && window.indexedDB.open) : true;
+let idbAvailable = typeof window !== 'undefined' ? !!(window.indexedDB && typeof window.indexedDB.open === 'function') : true;
 
 // iframe.contentWindow.indexedDB.deleteDatabase() がchromeのバグで使用できないため、indexedDBを無効化している。
 // バグが治って再度有効化するのであれば、cypressのコマンド内のコメントアウトを外すこと
@@ -38,15 +39,15 @@ if (idbAvailable) {
 
 export async function get(key: string) {
 	if (idbAvailable) return iget(key);
-	return JSON.parse(window.localStorage.getItem(fallbackName(key)));
+	return miLocalStorage.getItemAsJson(`${PREFIX}${key}`);
 }
 
 export async function set(key: string, val: any) {
 	if (idbAvailable) return iset(key, val);
-	return window.localStorage.setItem(fallbackName(key), JSON.stringify(val));
+	return miLocalStorage.setItemAsJson(`${PREFIX}${key}`, val);
 }
 
 export async function del(key: string) {
 	if (idbAvailable) return idel(key);
-	return window.localStorage.removeItem(fallbackName(key));
+	return miLocalStorage.removeItem(`${PREFIX}${key}`);
 }
diff --git a/packages/frontend/src/scripts/initialize-sw.ts b/packages/frontend/src/scripts/initialize-sw.ts
index 1517e4e1e8..867ebf19ed 100644
--- a/packages/frontend/src/scripts/initialize-sw.ts
+++ b/packages/frontend/src/scripts/initialize-sw.ts
@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-import { lang } from '@/config.js';
+import { lang } from '@@/js/config.js';
 
 export async function initializeSw() {
 	if (!('serviceWorker' in navigator)) return;
diff --git a/packages/frontend/src/scripts/intl-const.ts b/packages/frontend/src/scripts/intl-const.ts
index aaa4f0a86e..385f59ec39 100644
--- a/packages/frontend/src/scripts/intl-const.ts
+++ b/packages/frontend/src/scripts/intl-const.ts
@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-import { lang } from '@/config.js';
+import { lang } from '@@/js/config.js';
 
 export const versatileLang = (lang ?? 'ja-JP').replace('ja-KS', 'ja-JP');
 
diff --git a/packages/frontend/src/scripts/media-proxy.ts b/packages/frontend/src/scripts/media-proxy.ts
index 099a22163a..78eba35ead 100644
--- a/packages/frontend/src/scripts/media-proxy.ts
+++ b/packages/frontend/src/scripts/media-proxy.ts
@@ -3,51 +3,32 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-import { query } from '@/scripts/url.js';
-import { url } from '@/config.js';
+import { MediaProxy } from '@@/js/media-proxy.js';
+import { url } from '@@/js/config.js';
 import { instance } from '@/instance.js';
 
-export function getProxiedImageUrl(imageUrl: string, type?: 'preview' | 'emoji' | 'avatar', mustOrigin = false, noFallback = false): string {
-	const localProxy = `${url}/proxy`;
+let _mediaProxy: MediaProxy | null = null;
 
-	if (imageUrl.startsWith(instance.mediaProxy + '/') || imageUrl.startsWith('/proxy/') || imageUrl.startsWith(localProxy + '/')) {
-		// もう既にproxyっぽそうだったらurlを取り出す
-		imageUrl = (new URL(imageUrl)).searchParams.get('url') ?? imageUrl;
+export function getProxiedImageUrl(...args: Parameters<MediaProxy['getProxiedImageUrl']>): string {
+	if (_mediaProxy == null) {
+		_mediaProxy = new MediaProxy(instance, url);
 	}
 
-	return `${mustOrigin ? localProxy : instance.mediaProxy}/${
-		type === 'preview' ? 'preview.webp'
-		: 'image.webp'
-	}?${query({
-		url: imageUrl,
-		...(!noFallback ? { 'fallback': '1' } : {}),
-		...(type ? { [type]: '1' } : {}),
-		...(mustOrigin ? { origin: '1' } : {}),
-	})}`;
+	return _mediaProxy.getProxiedImageUrl(...args);
 }
 
-export function getProxiedImageUrlNullable(imageUrl: string | null | undefined, type?: 'preview'): string | null {
-	if (imageUrl == null) return null;
-	return getProxiedImageUrl(imageUrl, type);
-}
-
-export function getStaticImageUrl(baseUrl: string): string {
-	const u = baseUrl.startsWith('http') ? new URL(baseUrl) : new URL(baseUrl, url);
-
-	if (u.href.startsWith(`${url}/emoji/`)) {
-		// もう既にemojiっぽそうだったらsearchParams付けるだけ
-		u.searchParams.set('static', '1');
-		return u.href;
+export function getProxiedImageUrlNullable(...args: Parameters<MediaProxy['getProxiedImageUrlNullable']>): string | null {
+	if (_mediaProxy == null) {
+		_mediaProxy = new MediaProxy(instance, url);
 	}
 
-	if (u.href.startsWith(instance.mediaProxy + '/')) {
-		// もう既にproxyっぽそうだったらsearchParams付けるだけ
-		u.searchParams.set('static', '1');
-		return u.href;
+	return _mediaProxy.getProxiedImageUrlNullable(...args);
+}
+
+export function getStaticImageUrl(...args: Parameters<MediaProxy['getStaticImageUrl']>): string {
+	if (_mediaProxy == null) {
+		_mediaProxy = new MediaProxy(instance, url);
 	}
 
-	return `${instance.mediaProxy}/static.webp?${query({
-		url: u.href,
-		static: '1',
-	})}`;
+	return _mediaProxy.getStaticImageUrl(...args);
 }
diff --git a/packages/frontend/src/scripts/mfm-function-picker.ts b/packages/frontend/src/scripts/mfm-function-picker.ts
index 63acf9d3de..2911469cdd 100644
--- a/packages/frontend/src/scripts/mfm-function-picker.ts
+++ b/packages/frontend/src/scripts/mfm-function-picker.ts
@@ -6,7 +6,7 @@
 import { Ref, nextTick } from 'vue';
 import * as os from '@/os.js';
 import { i18n } from '@/i18n.js';
-import { MFM_TAGS } from '@/const.js';
+import { MFM_TAGS } from '@@/js/const.js';
 import type { MenuItem } from '@/types/menu.js';
 
 /**
diff --git a/packages/frontend/src/scripts/misskey-api.ts b/packages/frontend/src/scripts/misskey-api.ts
index 49fb6f9e59..1b1159fd01 100644
--- a/packages/frontend/src/scripts/misskey-api.ts
+++ b/packages/frontend/src/scripts/misskey-api.ts
@@ -5,7 +5,7 @@
 
 import * as Misskey from 'misskey-js';
 import { ref } from 'vue';
-import { apiUrl } from '@/config.js';
+import { apiUrl } from '@@/js/config.js';
 import { $i } from '@/account.js';
 export const pendingApiRequestsCount = ref(0);
 
diff --git a/packages/frontend/src/scripts/nyaize.ts b/packages/frontend/src/scripts/nyaize.ts
deleted file mode 100644
index 5e6fa298d1..0000000000
--- a/packages/frontend/src/scripts/nyaize.ts
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * SPDX-FileCopyrightText: syuilo and misskey-project
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-const koRegex1 = /[나-낳]/g;
-const koRegex2 = /(다$)|(다(?=\.))|(다(?= ))|(다(?=!))|(다(?=\?))/gm;
-const koRegex3 = /(야(?=\?))|(야$)|(야(?= ))/gm;
-
-function ifAfter(prefix, fn) {
-	const preLen = prefix.length;
-	const regex = new RegExp(prefix, 'i');
-	return (x, pos, string) => {
-		return pos > 0 && string.substring(pos - preLen, pos).match(regex) ? fn(x) : x;
-	};
-}
-
-export function nyaize(text: string): string {
-	return text
-		// ja-JP
-		.replaceAll('な', 'にゃ').replaceAll('ナ', 'ニャ').replaceAll('ﾅ', 'ﾆｬ')
-		// en-US
-		.replace(/a/gi, ifAfter('n', x => x === 'A' ? 'YA' : 'ya'))
-		.replace(/ing/gi, ifAfter('morn', x => x === 'ING' ? 'YAN' : 'yan'))
-		.replace(/one/gi, ifAfter('every', x => x === 'ONE' ? 'NYAN' : 'nyan'))
-		// ko-KR
-		.replace(koRegex1, match => String.fromCharCode(
-			match.charCodeAt(0) + '냐'.charCodeAt(0) - '나'.charCodeAt(0),
-		))
-		.replace(koRegex2, '다냥')
-		.replace(koRegex3, '냥');
-}
diff --git a/packages/frontend/src/scripts/player-url-transform.ts b/packages/frontend/src/scripts/player-url-transform.ts
index 53b2a9e441..39c6df6500 100644
--- a/packages/frontend/src/scripts/player-url-transform.ts
+++ b/packages/frontend/src/scripts/player-url-transform.ts
@@ -2,7 +2,7 @@
  * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
-import { hostname } from '@/config.js';
+import { hostname } from '@@/js/config.js';
 
 export function transformPlayerUrl(url: string): string {
 	const urlObj = new URL(url);
diff --git a/packages/frontend/src/scripts/popout.ts b/packages/frontend/src/scripts/popout.ts
index 1caa2dfc21..5b141222e8 100644
--- a/packages/frontend/src/scripts/popout.ts
+++ b/packages/frontend/src/scripts/popout.ts
@@ -3,8 +3,8 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-import { appendQuery } from './url.js';
-import * as config from '@/config.js';
+import { appendQuery } from '@@/js/url.js';
+import * as config from '@@/js/config.js';
 
 export function popout(path: string, w?: HTMLElement) {
 	let url = path.startsWith('http://') || path.startsWith('https://') ? path : config.url + path;
diff --git a/packages/frontend/src/scripts/post-message.ts b/packages/frontend/src/scripts/post-message.ts
index 31a9ac1ad9..11b6f52ddd 100644
--- a/packages/frontend/src/scripts/post-message.ts
+++ b/packages/frontend/src/scripts/post-message.ts
@@ -18,7 +18,7 @@ export type MiPostMessageEvent = {
  * 親フレームにイベントを送信
  */
 export function postMessageToParentWindow(type: PostMessageEventType, payload?: any): void {
-	window.postMessage({
+	window.parent.postMessage({
 		type,
 		payload,
 	}, '*');
diff --git a/packages/frontend/src/scripts/reload-ask.ts b/packages/frontend/src/scripts/reload-ask.ts
new file mode 100644
index 0000000000..733d91b85a
--- /dev/null
+++ b/packages/frontend/src/scripts/reload-ask.ts
@@ -0,0 +1,40 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { i18n } from '@/i18n.js';
+import * as os from '@/os.js';
+import { unisonReload } from '@/scripts/unison-reload.js';
+
+let isReloadConfirming = false;
+
+export async function reloadAsk(opts: {
+	unison?: boolean;
+	reason?: string;
+}) {
+	if (isReloadConfirming) {
+		return;
+	}
+
+	isReloadConfirming = true;
+
+	const { canceled } = await os.confirm(opts.reason == null ? {
+		type: 'info',
+		text: i18n.ts.reloadConfirm,
+	} : {
+		type: 'info',
+		title: i18n.ts.reloadConfirm,
+		text: opts.reason,
+	}).finally(() => {
+		isReloadConfirming = false;
+	});
+
+	if (canceled) return;
+
+	if (opts.unison) {
+		unisonReload();
+	} else {
+		location.reload();
+	}
+}
diff --git a/packages/frontend/src/scripts/safe-parse.ts b/packages/frontend/src/scripts/safe-parse.ts
deleted file mode 100644
index 6bfcef6c36..0000000000
--- a/packages/frontend/src/scripts/safe-parse.ts
+++ /dev/null
@@ -1,11 +0,0 @@
-/*
- * SPDX-FileCopyrightText: syuilo and misskey-project
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-export function safeParseFloat(str: unknown): number | null {
-	if (typeof str !== 'string' || str === '') return null;
-	const num = parseFloat(str);
-	if (isNaN(num)) return null;
-	return num;
-}
diff --git a/packages/frontend/src/scripts/safe-uri-decode.ts b/packages/frontend/src/scripts/safe-uri-decode.ts
deleted file mode 100644
index 0edf4e9eba..0000000000
--- a/packages/frontend/src/scripts/safe-uri-decode.ts
+++ /dev/null
@@ -1,12 +0,0 @@
-/*
- * SPDX-FileCopyrightText: syuilo and misskey-project
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-export function safeURIDecode(str: string): string {
-	try {
-		return decodeURIComponent(str);
-	} catch {
-		return str;
-	}
-}
diff --git a/packages/frontend/src/scripts/scroll.ts b/packages/frontend/src/scripts/scroll.ts
deleted file mode 100644
index f0274034b5..0000000000
--- a/packages/frontend/src/scripts/scroll.ts
+++ /dev/null
@@ -1,144 +0,0 @@
-/*
- * SPDX-FileCopyrightText: syuilo and misskey-project
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-type ScrollBehavior = 'auto' | 'smooth' | 'instant';
-
-export function getScrollContainer(el: HTMLElement | null): HTMLElement | null {
-	if (el == null || el.tagName === 'HTML') return null;
-	const overflow = window.getComputedStyle(el).getPropertyValue('overflow-y');
-	if (overflow === 'scroll' || overflow === 'auto') {
-		return el;
-	} else {
-		return getScrollContainer(el.parentElement);
-	}
-}
-
-export function getStickyTop(el: HTMLElement, container: HTMLElement | null = null, top = 0) {
-	if (!el.parentElement) return top;
-	const data = el.dataset.stickyContainerHeaderHeight;
-	const newTop = data ? Number(data) + top : top;
-	if (el === container) return newTop;
-	return getStickyTop(el.parentElement, container, newTop);
-}
-
-export function getStickyBottom(el: HTMLElement, container: HTMLElement | null = null, bottom = 0) {
-	if (!el.parentElement) return bottom;
-	const data = el.dataset.stickyContainerFooterHeight;
-	const newBottom = data ? Number(data) + bottom : bottom;
-	if (el === container) return newBottom;
-	return getStickyBottom(el.parentElement, container, newBottom);
-}
-
-export function getScrollPosition(el: HTMLElement | null): number {
-	const container = getScrollContainer(el);
-	return container == null ? window.scrollY : container.scrollTop;
-}
-
-export function onScrollTop(el: HTMLElement, cb: () => unknown, tolerance = 1, once = false) {
-	// とりあえず評価してみる
-	if (el.isConnected && isTopVisible(el)) {
-		cb();
-		if (once) return null;
-	}
-
-	const container = getScrollContainer(el) ?? window;
-
-	const onScroll = ev => {
-		if (!document.body.contains(el)) return;
-		if (isTopVisible(el, tolerance)) {
-			cb();
-			if (once) removeListener();
-		}
-	};
-
-	function removeListener() { container.removeEventListener('scroll', onScroll); }
-
-	container.addEventListener('scroll', onScroll, { passive: true });
-	return removeListener;
-}
-
-export function onScrollBottom(el: HTMLElement, cb: () => unknown, tolerance = 1, once = false) {
-	const container = getScrollContainer(el);
-
-	// とりあえず評価してみる
-	if (el.isConnected && isBottomVisible(el, tolerance, container)) {
-		cb();
-		if (once) return null;
-	}
-
-	const containerOrWindow = container ?? window;
-	const onScroll = ev => {
-		if (!document.body.contains(el)) return;
-		if (isBottomVisible(el, 1, container)) {
-			cb();
-			if (once) removeListener();
-		}
-	};
-
-	function removeListener() {
-		containerOrWindow.removeEventListener('scroll', onScroll);
-	}
-
-	containerOrWindow.addEventListener('scroll', onScroll, { passive: true });
-	return removeListener;
-}
-
-export function scroll(el: HTMLElement, options: ScrollToOptions | undefined) {
-	const container = getScrollContainer(el);
-	if (container == null) {
-		window.scroll(options);
-	} else {
-		container.scroll(options);
-	}
-}
-
-/**
- * Scroll to Top
- * @param el Scroll container element
- * @param options Scroll options
- */
-export function scrollToTop(el: HTMLElement, options: { behavior?: ScrollBehavior; } = {}) {
-	scroll(el, { top: 0, ...options });
-}
-
-/**
- * Scroll to Bottom
- * @param el Content element
- * @param options Scroll options
- * @param container Scroll container element
- */
-export function scrollToBottom(
-	el: HTMLElement,
-	options: ScrollToOptions = {},
-	container = getScrollContainer(el),
-) {
-	if (container) {
-		container.scroll({ top: el.scrollHeight - container.clientHeight + getStickyTop(el, container) || 0, ...options });
-	} else {
-		window.scroll({
-			top: (el.scrollHeight - window.innerHeight + getStickyTop(el, container) + (window.innerWidth <= 500 ? 96 : 0)) || 0,
-			...options,
-		});
-	}
-}
-
-export function isTopVisible(el: HTMLElement, tolerance = 1): boolean {
-	const scrollTop = getScrollPosition(el);
-	return scrollTop <= tolerance;
-}
-
-export function isBottomVisible(el: HTMLElement, tolerance = 1, container = getScrollContainer(el)) {
-	if (container) return el.scrollHeight <= container.clientHeight + Math.abs(container.scrollTop) + tolerance;
-	return el.scrollHeight <= window.innerHeight + window.scrollY + tolerance;
-}
-
-// https://ja.javascript.info/size-and-scroll-window#ref-932
-export function getBodyScrollHeight() {
-	return Math.max(
-		document.body.scrollHeight, document.documentElement.scrollHeight,
-		document.body.offsetHeight, document.documentElement.offsetHeight,
-		document.body.clientHeight, document.documentElement.clientHeight,
-	);
-}
diff --git a/packages/frontend/src/scripts/stream-mock.ts b/packages/frontend/src/scripts/stream-mock.ts
new file mode 100644
index 0000000000..cb0e607fcb
--- /dev/null
+++ b/packages/frontend/src/scripts/stream-mock.ts
@@ -0,0 +1,81 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { EventEmitter } from 'eventemitter3';
+import * as Misskey from 'misskey-js';
+import type { Channels, StreamEvents, IStream, IChannelConnection } from 'misskey-js';
+
+type AnyOf<T extends Record<any, any>> = T[keyof T];
+type OmitFirst<T extends any[]> = T extends [any, ...infer R] ? R : never;
+
+/**
+ * Websocket無効化時に使うStreamのモック（なにもしない）
+ */
+export class StreamMock extends EventEmitter<StreamEvents> implements IStream {
+	public readonly state = 'initializing';
+
+	constructor(...args: ConstructorParameters<typeof Misskey.Stream>) {
+		super();
+		// do nothing
+	}
+
+	public useChannel<C extends keyof Channels>(channel: C, params?: Channels[C]['params'], name?: string): ChannelConnectionMock<Channels[C]> {
+		return new ChannelConnectionMock(this, channel, name);
+	}
+
+	public removeSharedConnection(connection: any): void {
+		// do nothing
+	}
+
+	public removeSharedConnectionPool(pool: any): void {
+		// do nothing
+	}
+
+	public disconnectToChannel(): void {
+		// do nothing
+	}
+
+	public send(typeOrPayload: string): void
+	public send(typeOrPayload: string, payload: any): void
+	public send(typeOrPayload: Record<string, any> | any[]): void
+	public send(typeOrPayload: string | Record<string, any> | any[], payload?: any): void {
+		// do nothing
+	}
+
+	public ping(): void {
+		// do nothing
+	}
+
+	public heartbeat(): void {
+		// do nothing
+	}
+
+	public close(): void {
+		// do nothing
+	}
+}
+
+class ChannelConnectionMock<Channel extends AnyOf<Channels> = any> extends EventEmitter<Channel['events']> implements IChannelConnection<Channel> {
+	public id = '';
+	public name?: string; // for debug
+	public inCount = 0; // for debug
+	public outCount = 0; // for debug
+	public channel: string;
+
+	constructor(stream: IStream, ...args: OmitFirst<ConstructorParameters<typeof Misskey.ChannelConnection<Channel>>>) {
+		super();
+
+		this.channel = args[0];
+		this.name = args[1];
+	}
+
+	public send<T extends keyof Channel['receives']>(type: T, body: Channel['receives'][T]): void {
+		// do nothing
+	}
+
+	public dispose(): void {
+		// do nothing
+	}
+}
diff --git a/packages/frontend/src/scripts/theme.ts b/packages/frontend/src/scripts/theme.ts
index e59643b09c..bd3cddde67 100644
--- a/packages/frontend/src/scripts/theme.ts
+++ b/packages/frontend/src/scripts/theme.ts
@@ -5,11 +5,11 @@
 
 import { ref } from 'vue';
 import tinycolor from 'tinycolor2';
+import lightTheme from '@@/themes/_light.json5';
+import darkTheme from '@@/themes/_dark.json5';
 import { deepClone } from './clone.js';
 import type { BundledTheme } from 'shiki/themes';
 import { globalEvents } from '@/events.js';
-import lightTheme from '@/themes/_light.json5';
-import darkTheme from '@/themes/_dark.json5';
 import { miLocalStorage } from '@/local-storage.js';
 
 export type Theme = {
@@ -54,7 +54,7 @@ export const getBuiltinThemes = () => Promise.all(
 		'd-u0',
 		'rosepine',
 		'rosepine-dawn',
-	].map(name => import(`@/themes/${name}.json5`).then(({ default: _default }): Theme => _default)),
+	].map(name => import(`@@/themes/${name}.json5`).then(({ default: _default }): Theme => _default)),
 );
 
 export const getBuiltinThemesRef = () => {
@@ -78,6 +78,8 @@ export function applyTheme(theme: Theme, persist = true) {
 
 	const colorScheme = theme.base === 'dark' ? 'dark' : 'light';
 
+	document.documentElement.dataset.colorScheme = colorScheme;
+
 	// Deep copy
 	const _theme = deepClone(theme);
 
diff --git a/packages/frontend/src/scripts/upload.ts b/packages/frontend/src/scripts/upload.ts
index 3e947183c9..22dce609c6 100644
--- a/packages/frontend/src/scripts/upload.ts
+++ b/packages/frontend/src/scripts/upload.ts
@@ -9,10 +9,11 @@ import { v4 as uuid } from 'uuid';
 import { readAndCompressImage } from '@misskey-dev/browser-image-resizer';
 import { getCompressionConfig } from './upload/compress-config.js';
 import { defaultStore } from '@/store.js';
-import { apiUrl } from '@/config.js';
+import { apiUrl } from '@@/js/config.js';
 import { $i } from '@/account.js';
 import { alert } from '@/os.js';
 import { i18n } from '@/i18n.js';
+import { instance } from '@/instance.js';
 
 type Uploading = {
 	id: string;
@@ -39,6 +40,15 @@ export function uploadFile(
 
 	if (folder && typeof folder === 'object') folder = folder.id;
 
+	if (file.size > instance.maxFileSize) {
+		alert({
+			type: 'error',
+			title: i18n.ts.failedToUpload,
+			text: i18n.ts.cannotUploadBecauseExceedsFileSizeLimit,
+		});
+		return Promise.reject();
+	}
+
 	return new Promise((resolve, reject) => {
 		const id = uuid();
 
diff --git a/packages/frontend/src/scripts/url.ts b/packages/frontend/src/scripts/url.ts
deleted file mode 100644
index 5a8265af9e..0000000000
--- a/packages/frontend/src/scripts/url.ts
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * SPDX-FileCopyrightText: syuilo and misskey-project
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-/* objを検査して
- * 1. 配列に何も入っていない時はクエリを付けない
- * 2. プロパティがundefinedの時はクエリを付けない
- * （new URLSearchParams(obj)ではそこまで丁寧なことをしてくれない）
- */
-export function query(obj: Record<string, any>): string {
-	const params = Object.entries(obj)
-		.filter(([, v]) => Array.isArray(v) ? v.length : v !== undefined)
-		.reduce((a, [k, v]) => (a[k] = v, a), {} as Record<string, any>);
-
-	return Object.entries(params)
-		.map((p) => `${p[0]}=${encodeURIComponent(p[1])}`)
-		.join('&');
-}
-
-export function appendQuery(url: string, query: string): string {
-	return `${url}${/\?/.test(url) ? url.endsWith('?') ? '' : '&' : '?'}${query}`;
-}
-
-export function extractDomain(url: string) {
-	const match = url.match(/^(?:https?:)?(?:\/\/)?(?:[^@\n]+@)?([^:\/\n]+)/im);
-	return match ? match[1] : null;
-}
diff --git a/packages/frontend/src/scripts/use-document-visibility.ts b/packages/frontend/src/scripts/use-document-visibility.ts
deleted file mode 100644
index a8f4d5e03a..0000000000
--- a/packages/frontend/src/scripts/use-document-visibility.ts
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * SPDX-FileCopyrightText: syuilo and misskey-project
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-import { onMounted, onUnmounted, ref, Ref } from 'vue';
-
-export function useDocumentVisibility(): Ref<DocumentVisibilityState> {
-	const visibility = ref(document.visibilityState);
-
-	const onChange = (): void => {
-		visibility.value = document.visibilityState;
-	};
-
-	onMounted(() => {
-		document.addEventListener('visibilitychange', onChange);
-	});
-
-	onUnmounted(() => {
-		document.removeEventListener('visibilitychange', onChange);
-	});
-
-	return visibility;
-}
diff --git a/packages/frontend/src/scripts/use-form.ts b/packages/frontend/src/scripts/use-form.ts
new file mode 100644
index 0000000000..0d505fe466
--- /dev/null
+++ b/packages/frontend/src/scripts/use-form.ts
@@ -0,0 +1,55 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { computed, Reactive, reactive, watch } from 'vue';
+
+function copy<T>(v: T): T {
+	return JSON.parse(JSON.stringify(v));
+}
+
+function unwrapReactive<T>(v: Reactive<T>): T {
+	return JSON.parse(JSON.stringify(v));
+}
+
+export function useForm<T extends Record<string, any>>(initialState: T, save: (newState: T) => Promise<void>) {
+	const currentState = reactive<T>(copy(initialState));
+	const previousState = reactive<T>(copy(initialState));
+
+	const modifiedStates = reactive<Record<keyof T, boolean>>({} as any);
+	for (const key in currentState) {
+		modifiedStates[key] = false;
+	}
+	const modified = computed(() => Object.values(modifiedStates).some(v => v));
+	const modifiedCount = computed(() => Object.values(modifiedStates).filter(v => v).length);
+
+	watch([currentState, previousState], () => {
+		for (const key in modifiedStates) {
+			modifiedStates[key] = currentState[key] !== previousState[key];
+		}
+	}, { deep: true });
+
+	async function _save() {
+		await save(unwrapReactive(currentState));
+		for (const key in currentState) {
+			previousState[key] = copy(currentState[key]);
+		}
+	}
+
+	function discard() {
+		for (const key in currentState) {
+			currentState[key] = copy(previousState[key]);
+		}
+	}
+
+	return {
+		state: currentState,
+		savedState: previousState,
+		modifiedStates,
+		modified,
+		modifiedCount,
+		save: _save,
+		discard,
+	};
+}
diff --git a/packages/frontend/src/scripts/use-interval.ts b/packages/frontend/src/scripts/use-interval.ts
deleted file mode 100644
index b50e78c3cc..0000000000
--- a/packages/frontend/src/scripts/use-interval.ts
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * SPDX-FileCopyrightText: syuilo and misskey-project
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-import { onActivated, onDeactivated, onMounted, onUnmounted } from 'vue';
-
-export function useInterval(fn: () => void, interval: number, options: {
-	immediate: boolean;
-	afterMounted: boolean;
-}): (() => void) | undefined {
-	if (Number.isNaN(interval)) return;
-
-	let intervalId: number | null = null;
-
-	if (options.afterMounted) {
-		onMounted(() => {
-			if (options.immediate) fn();
-			intervalId = window.setInterval(fn, interval);
-		});
-	} else {
-		if (options.immediate) fn();
-		intervalId = window.setInterval(fn, interval);
-	}
-
-	const clear = () => {
-		if (intervalId) window.clearInterval(intervalId);
-		intervalId = null;
-	};
-
-	onActivated(() => {
-		if (intervalId) return;
-		if (options.immediate) fn();
-		intervalId = window.setInterval(fn, interval);
-	});
-
-	onDeactivated(() => {
-		clear();
-	});
-
-	onUnmounted(() => {
-		clear();
-	});
-
-	return clear;
-}
diff --git a/packages/frontend/src/scripts/worker-multi-dispatch.ts b/packages/frontend/src/scripts/worker-multi-dispatch.ts
deleted file mode 100644
index 6b3fcd9383..0000000000
--- a/packages/frontend/src/scripts/worker-multi-dispatch.ts
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * SPDX-FileCopyrightText: syuilo and misskey-project
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-function defaultUseWorkerNumber(prev: number, totalWorkers: number) {
-	return prev + 1;
-}
-
-export class WorkerMultiDispatch<POST = any, RETURN = any> {
-	private symbol = Symbol('WorkerMultiDispatch');
-	private workers: Worker[] = [];
-	private terminated = false;
-	private prevWorkerNumber = 0;
-	private getUseWorkerNumber = defaultUseWorkerNumber;
-	private finalizationRegistry: FinalizationRegistry<symbol>;
-
-	constructor(workerConstructor: () => Worker, concurrency: number, getUseWorkerNumber = defaultUseWorkerNumber) {
-		this.getUseWorkerNumber = getUseWorkerNumber;
-		for (let i = 0; i < concurrency; i++) {
-			this.workers.push(workerConstructor());
-		}
-
-		this.finalizationRegistry = new FinalizationRegistry(() => {
-			this.terminate();
-		});
-		this.finalizationRegistry.register(this, this.symbol);
-
-		if (_DEV_) console.log('WorkerMultiDispatch: Created', this);
-	}
-
-	public postMessage(message: POST, options?: Transferable[] | StructuredSerializeOptions, useWorkerNumber: typeof defaultUseWorkerNumber = this.getUseWorkerNumber) {
-		let workerNumber = useWorkerNumber(this.prevWorkerNumber, this.workers.length);
-		workerNumber = Math.abs(Math.round(workerNumber)) % this.workers.length;
-		if (_DEV_) console.log('WorkerMultiDispatch: Posting message to worker', workerNumber, useWorkerNumber);
-		this.prevWorkerNumber = workerNumber;
-
-		// 不毛だがunionをoverloadに突っ込めない
-		// https://stackoverflow.com/questions/66507585/overload-signatures-union-types-and-no-overload-matches-this-call-error
-		// https://github.com/microsoft/TypeScript/issues/14107
-		if (Array.isArray(options)) {
-			this.workers[workerNumber].postMessage(message, options);
-		} else {
-			this.workers[workerNumber].postMessage(message, options);
-		}
-		return workerNumber;
-	}
-
-	public addListener(callback: (this: Worker, ev: MessageEvent<RETURN>) => any, options?: boolean | AddEventListenerOptions) {
-		this.workers.forEach(worker => {
-			worker.addEventListener('message', callback, options);
-		});
-	}
-
-	public removeListener(callback: (this: Worker, ev: MessageEvent<RETURN>) => any, options?: boolean | AddEventListenerOptions) {
-		this.workers.forEach(worker => {
-			worker.removeEventListener('message', callback, options);
-		});
-	}
-
-	public terminate() {
-		this.terminated = true;
-		if (_DEV_) console.log('WorkerMultiDispatch: Terminating', this);
-		this.workers.forEach(worker => {
-			worker.terminate();
-		});
-		this.workers = [];
-		this.finalizationRegistry.unregister(this);
-	}
-
-	public isTerminated() {
-		return this.terminated;
-	}
-
-	public getWorkers() {
-		return this.workers;
-	}
-
-	public getSymbol() {
-		return this.symbol;
-	}
-}