Add "enable RSS" user privacy toggle

packages/backend/src/models/User.ts

@@ -311,6 +311,17 @@ export class MiUser {
 	})
 	public signupReason: string | null;
 
+	/**
+	 * True if profile RSS feeds are enabled for this user.
+	 * Enabled by default (opt-out) for existing users, to avoid breaking any existing feeds.
+	 * Disabled by default (opt-in) for newly created users, for privacy.
+	 */
+	@Column('boolean', {
+		name: 'enable_rss',
+		default: true,
+	})
+	public enableRss = true;
+
 	constructor(data: Partial<MiUser>) {
 		if (data == null) return;