ensure consistent chat sort order when the last messages of two chats have the same timestamp

Author: d99kris

lib/common/src/version.h

@@ -7,4 +7,4 @@
 
 #pragma once
 
-#define NCHAT_VERSION "5.11.29"
+#define NCHAT_VERSION "5.11.30"

src/nchat.1

@@ -1,5 +1,5 @@
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man.
-.TH NCHAT "1" "October 2025" "nchat 5.11.29" "User Commands"
+.TH NCHAT "1" "October 2025" "nchat 5.11.30" "User Commands"
 .SH NAME
 nchat \- ncurses chat
 .SH SYNOPSIS

src/uimodel.cpp

@@ -1954,6 +1954,10 @@ void UiModel::Impl::SortChats()
     if (lhsChatInfo.lastMessageTime > rhsChatInfo.lastMessageTime) return true;
     if (lhsChatInfo.lastMessageTime < rhsChatInfo.lastMessageTime) return false;
 
+    // lower chat ids are listed first
+    if (lhsChatInfo.id < rhsChatInfo.id) return true;
+    if (lhsChatInfo.id > rhsChatInfo.id) return false;
+
     return false;
   });