use time of creation/modfication from thread and tags as csv

Author: ankitsmt211

application/src/main/java/org/togetherjava/tjbot/features/help/HelpSystemHelper.java

@@ -204,15 +204,18 @@ private RestAction<Message> useChatGptFallbackMessage(ThreadChannel threadChanne
 
     void writeHelpThreadToDatabase(long authorId, ThreadChannel threadChannel) {
 
-        Instant createdAt = Instant.now();
-        String tag = threadChannel.getAppliedTags().getFirst().getName();
+        Instant createdAt = threadChannel.getTimeCreated().toInstant();
+        List<String> tagsList =
+                threadChannel.getAppliedTags().stream().map(ForumTag::getName).toList();
+
+        String tags = String.join(", ", tagsList);
 
         database.write(content -> {
             HelpThreadsRecord helpThreadsRecord = content.newRecord(HelpThreads.HELP_THREADS)
                 .setAuthorId(authorId)
                 .setChannelId(threadChannel.getIdLong())
                 .setCreatedAt(createdAt)
-                .setTag(tag)
+                .setTag(tags)
                 .setTicketStatus(TicketStatus.ACTIVE.val);
             if (helpThreadsRecord.update() == 0) {
                 helpThreadsRecord.insert();

application/src/main/java/org/togetherjava/tjbot/features/help/HelpThreadLifecycleListener.java

@@ -64,7 +64,7 @@ public void onChannelUpdateAppliedTags(@NotNull ChannelUpdateAppliedTagsEvent ev
     }
 
     private void handleThreadStatus(ThreadChannel threadChannel) {
-        Instant closedAt = Instant.now();
+        Instant closedAt = threadChannel.getTimeArchiveInfoLastModified().toInstant();
         long threadId = threadChannel.getIdLong();
 
         int status = database.read(context -> context.selectFrom(HELP_THREADS)