feat(frontend): セーフモード (#16245)

* feat(frontend): セーフモード

* Update Changelog

* Update Changelog

* fix

* fix

* Update Changelog

* Update Changelog

* PWAのショートカット経由でもセーフモードで起動できるように

* Update ClientServerService.ts

---------

Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

packages/frontend/src/boot/main-boot.ts

@@ -28,8 +28,8 @@ import { addCustomEmoji, removeCustomEmojis, updateCustomEmojis } from '@/custom
 import { prefer } from '@/preferences.js';
 import { launchPlugins } from '@/plugin.js';
 import { updateCurrentAccountPartial } from '@/accounts.js';
-import { signout } from '@/signout.js';
 import { migrateOldSettings } from '@/pref-migrate.js';
+import { unisonReload } from '@/utility/unison-reload.js';
 
 export async function mainBoot() {
 	const { isClientUpdated, lastVersion } = await common(async () => {
@@ -391,6 +391,8 @@ export async function mainBoot() {
 	}
 
 	// shortcut
+	let safemodeRequestCount = 0;
+	let safemodeRequestTimer: number | null = null;
 	const keymap = {
 		'p|n': () => {
 			if ($i == null) return;
@@ -402,6 +404,24 @@ export async function mainBoot() {
 		's': () => {
 			mainRouter.push('/search');
 		},
+		'g': {
+			callback: () => {
+				// mを5回押すとセーフモードに入る
+				safemodeRequestCount++;
+				if (safemodeRequestCount >= 5) {
+					miLocalStorage.setItem('isSafeMode', 'true');
+					unisonReload();
+				} else {
+					if (safemodeRequestTimer != null) {
+						window.clearTimeout(safemodeRequestTimer);
+					}
+					safemodeRequestTimer = window.setTimeout(() => {
+						safemodeRequestCount = 0;
+					}, 300);
+				}
+			},
+			allowRepeat: true,
+		}
 	} as const satisfies Keymap;
 	window.document.addEventListener('keydown', makeHotkey(keymap), { passive: false });