collaboration_comment (+ revisions, mentions), collaboration_follow,
collaboration_activity and collaboration_follow_digest tables; comment
threads with markdown bodies, @mentions checked for the recipient's
access, edit history, soft delete and resolve; follow with defaults,
bulk Follow/Unfollow actions and batched change notifications; a
timeline merging audit and activity; a people directory. Notifications go
through a CollaborationNotifier (no-op by default) until the
QAlerts.notify adapter (QRun-IO/qqq#1125) is available.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
james.maesandClaude Opus 5.5