testing adding/removing tags

app.py

@@ -178,12 +178,23 @@ SOLVED_TAG_IDS = {1026743978026094664, 1025179659215847575, 1263095032328753174,
 @bot.event
 async def on_thread_update(before, after):
     if isinstance(after.parent, discord.ForumChannel) and after.parent.id in {ASK_FOR_HELP_CHANNEL_ID, GRADIO_CHANNEL_ID, ARGILLA_HELP_CHANNEL_ID, DATA_DISCUSSIONS_CHANNEL_ID}:
-        if any(tag.id in SOLVED_TAG_IDS for tag in after.applied_tags):
-            discord_thread_id = after.id
-            if discord_thread_id in thread_mapping:
-                slack_thread_ts = thread_mapping[discord_thread_id]
+        
+        before_tag_ids = {tag.id for tag in before.applied_tags}
+        after_tag_ids = {tag.id for tag in after.applied_tags}
+
+        added_tags = after_tag_ids - before_tag_ids
+        removed_tags = before_tag_ids - after_tag_ids
+
+        discord_thread_id = after.id
+        if discord_thread_id in thread_mapping:
+            slack_thread_ts = thread_mapping[discord_thread_id]
+            
+            if any(tag_id in SOLVED_TAG_IDS for tag_id in added_tags):
                 react_to_slack_message(slack_thread_ts, 'white_check_mark')
 
+            if any(tag_id in SOLVED_TAG_IDS for tag_id in removed_tags):
+                unreact_to_slack_message(slack_thread_ts, 'white_check_mark')
+
 
 def react_to_slack_message(thread_ts, emoji):
     try:
@@ -195,6 +206,17 @@ def react_to_slack_message(thread_ts, emoji):
     except SlackApiError as e:
         print(f"Error reacting to Slack message: {e.response['error']}")
 
+
+def unreact_to_slack_message(thread_ts, emoji):
+    try:
+        response = slack_client.reactions_remove(
+            channel=SLACK_CHANNEL_ID,
+            name=emoji,
+            timestamp=thread_ts
+        )
+    except SlackApiError as e:
+        print(f"Error removing reaction from Slack message: {e.response['error']}")
+
 #----------------------------------------------------------------------------------------------
 
 def send_daily_pings():