Closed channels: composer replaced by a read-only banner; history still viewable; GuildChannel carries closed. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Closed channels: composer replaced by a read-only banner; history still viewable; GuildChannel carries closed. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>