From 309ab75d5d66795b502c86c97d0374d751762969 Mon Sep 17 00:00:00 2001
From: Jannis Braun <151788261+TheZwiss@users.noreply.github.com>
Date: Fri, 27 Mar 2026 03:51:58 +0100
Subject: [PATCH] fix: use ownerId for group DM detection in ChannelSidebar

members.length > 2 caused group DMs to lose their identity when a
member left and only 2 remained. ownerId is the canonical marker set
at group creation and persists through the group's lifecycle.
---
 packages/web/src/components/layout/ChannelSidebar.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/web/src/components/layout/ChannelSidebar.tsx b/packages/web/src/components/layout/ChannelSidebar.tsx
index f300b19a..7a453b8b 100644
--- a/packages/web/src/components/layout/ChannelSidebar.tsx
+++ b/packages/web/src/components/layout/ChannelSidebar.tsx
@@ -492,7 +492,7 @@ export function ChannelSidebar() {
             {dmChannels.map((dm) => {
               const otherMembers = dm.members.filter(m => !isSelf(m, user));
               if (otherMembers.length === 0) return null;
-              const isGroup = dm.members.length > 2;
+              const isGroup = !!dm.ownerId;
               const isDmUnread = unreadChannels.has(dm.id) && currentChannelId !== dm.id;
 
               const firstOtherDm = isGroup ? null : otherMembers[0];