Self-repairing message counter

ts/sql/Client.ts

@@ -277,6 +277,8 @@ const dataInterface: ClientInterface = {
   processGroupCallRingCancelation,
   cleanExpiredGroupCallRings,
 
+  getMaxMessageCounter,
+
   getStatisticsForLogging,
 
   // Test-only
@@ -1656,6 +1658,10 @@ async function updateAllConversationColors(
   );
 }
 
+function getMaxMessageCounter(): Promise<number | undefined> {
+  return channels.getMaxMessageCounter();
+}
+
 function getStatisticsForLogging(): Promise<Record<string, string>> {
   return channels.getStatisticsForLogging();
 }