Problem: Group rename, member-add, and member-remove events insert rows
into the messages table with the actor as senderId, which made them
increment the unread badge for everyone else just like a normal chat
message. That created notification noise for routine admin tweaks.
Fix: In `artifacts/api-server/src/routes/conversations.ts`, the
`buildConversationDetails` unread count query now restricts to
`messages.kind = 'user'`, so only real user chat messages contribute to
the unread count returned for the conversation list / bell badge.
Notes / non-changes:
- The conversation-list "last message" preview is intentionally left
unfiltered, so the most recent activity (including system messages)
still surfaces in the list — matches the task's "Done looks like".
- Push-style chat notifications (`createMessageNotifications`) are only
invoked from the user send-message route, never from
`insertAndEmitSystemMessage`, so no additional guard is required for
system events today.
- Frontend chat.tsx already renders system messages distinctly and
shows them in the list preview; no UI change needed.
Riyadh
6316893c0e