TLをPush型にする（Write only) (MisskeyIO#185)

* 一時的に Redis に書き込むユーザーをモデレータのみに絞る

---------

Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>

packages/backend/src/models/entities/Meta.ts

@@ -448,4 +448,24 @@ export class MiMeta {
 		length: 1024, array: true, default: '{ "admin", "administrator", "root", "system", "maintainer", "host", "mod", "moderator", "owner", "superuser", "staff", "auth", "i", "me", "everyone", "all", "mention", "mentions", "example", "user", "users", "account", "accounts", "official", "help", "helps", "support", "supports", "info", "information", "informations", "announce", "announces", "announcement", "announcements", "notice", "notification", "notifications", "dev", "developer", "developers", "tech", "misskey" }',
 	})
 	public preservedUsernames: string[];
+
+	@Column('integer', {
+		default: 300,
+	})
+	public perLocalUserUserTimelineCacheMax: number;
+
+	@Column('integer', {
+		default: 100,
+	})
+	public perRemoteUserUserTimelineCacheMax: number;
+
+	@Column('integer', {
+		default: 300,
+	})
+	public perUserHomeTimelineCacheMax: number;
+
+	@Column('integer', {
+		default: 300,
+	})
+	public perUserListTimelineCacheMax: number;
 }