implement mastodon push permission

currently doesn't do anything, but it's necessary for masto-fe to be
able to sign in

locales/en-US.yml

@@ -2243,6 +2243,7 @@ _permissions:
   "read:clip-favorite": "View favorited clips"
   "read:federation": "Get federation data"
   "write:report-abuse": "Report violation"
+  "write:push-notification": "Receive push notifications"
 _auth:
   shareAccessTitle: "Granting application permissions"
   shareAccess: "Would you like to authorize \"{name}\" to access this account?"

locales/index.js

@@ -72,7 +72,7 @@ export function build() {
 		.reduce((a, [k, v]) => (a[k] = (() => {
 			const [lang] = k.split('-');
 			switch (k) {
-				case 'ja-JP': return v;
+				case 'ja-JP': return merge(locales['en-US'], v);
 				case 'ja-KS':
 				case 'en-US': return merge(locales['ja-JP'], v);
 				default: return merge(

packages/backend/src/misc/mastodon/mastodon-to-misskey-scopes.ts

@@ -3,6 +3,7 @@ import { permissions } from 'misskey-js';
 const mastodonToMisskeyScopes: Map<string, (typeof permissions)[number][]> = new Map([
 	['profile', ['read:account']],
 	['follow', ['read:following', 'write:following', 'read:blocks', 'write:blocks', 'read:mutes', 'write:mutes']],
+	['push', ['write:push-notification']],
 	['read:accounts', ['read:account']],
 	['read:blocks', ['read:blocks']],
 	['read:bookmarks', ['read:favorites']],

packages/misskey-js/src/consts.ts

@@ -103,6 +103,7 @@ export const permissions = [
 	'read:clip-favorite',
 	'read:federation',
 	'write:report-abuse',
+	'write:push-notification', // Mastodon permission
 ] as const;
 
 export const moderationLogTypes = [