apps/mobile/src/features/threads/ThreadFeed.tsx             |  42 +++--
 apps/mobile/src/features/threads/thread-work-log.tsx        |   2 +-
 apps/mobile/src/lib/threadActivity.test.ts                  | 275 ++++++++++++++++++++++++++++++++
 apps/mobile/src/lib/threadActivity.ts                       | 246 ++++++++++++++++++++++++----
 apps/web/src/components/chat/MessagesTimeline.logic.test.ts | 258 ++++++++++++++++++++++++++++--
 apps/web/src/components/chat/MessagesTimeline.logic.ts      | 119 +++++++++++---
 apps/web/src/components/chat/MessagesTimeline.tsx           | 173 +++++++++++++++++---
 7 files changed, 1005 insertions(+), 110 deletions(-)