App Validation Issue - Bot must send a proactive welcome message in personal scope

I'm working on a bot application for MS Teams using the Python SDK and encountered a challenge with app validation and the proactive welcome message requirement.

What Happened:

1. Initially, our bot handled the welcome message through on_installation_update, but app validation failed with the error: "Bot must send a proactive welcome message in personal scope."
2. To satisfy validation, we added on_members_added_activity to send the welcome message for personal scope, which resolved the validation error.
3. However, this created a new problem: on_members_added_activity is being triggered when we call the Graph API to query chats or users: 
   

   {graph_url}/me/chats $filter=chatType eq 'oneOnOne' and installedApps/any(a:a/teamsApp/id eq '{teams_app_id}')

   {graph_url}/users/{user_id}/chats $filter=chatType eq 'oneOnOne' and installedApps/any(a:a/teamsApp/id eq '{teams_app_id}')
4. According to a Stack Overflow discussion (https://stackoverflow.com/questions/57496329/proactive-messaging-bot-in-teams-without-mentioning-the-bot-beforehand), this appears to be a known issue: calling this API triggers a conversation update event even though there were no actual updates, resulting in duplicate events and duplicate welcome messages.

Questions:

• What is the official/recommended way to handle known issue: calling this API triggers a conversation update event?
• Whats the recommended way to read personal chat history of a user?
• Should we be using a different approach for this app validation requirement?

Any guidance or pointers to official documentation would be greatly appreciated!