プロキシアカウントをユーザー名ではなくIDで保存するように

src/misc/fetch-proxy-account.ts

@@ -1,9 +1,9 @@
 import { fetchMeta } from './fetch-meta';
 import { ILocalUser } from '../models/entities/user';
 import { Users } from '../models';
-import { ensure } from '../prelude/ensure';
 
-export async function fetchProxyAccount(): Promise<ILocalUser> {
+export async function fetchProxyAccount(): Promise<ILocalUser | null> {
+	if (meta.proxyAccountId == null) return null;
 	const meta = await fetchMeta();
-	return await Users.findOne({ username: meta.proxyAccount!, host: null }).then(ensure) as ILocalUser;
+	return await Users.findOne(meta.proxyAccountId);
 }