Gmail MCP enhancement

[songmeo]

• Currently the download attachment tool returns a download link. This confuses the model because the link is a localhost one. Update the tool prompt to tell the model to download the attachment first before sending to the openai server.

• When processing multiple emails, the reasoner sends the notification of multiple emails as 1 message. This makes it difficult for the team to answer to all updates. Update the conversation to recognize the notification separate pattern and send each noti as 1 separate message.

• Even when replying in a thread, the bot still isn't aware of the parent message. This is flaw in the way the message is processed.

• When processing emails, the bot needs to read all the previous emails to understand the context. So far it only reads the latest one.

• The bot needs to be able to make new invoice.

[songmeo]

• Please add auto-renew of token urgently for the daily email check to work.

[songmeo]

• Sometimes the reasoner returns error. This will stop the whole workflow and need to restart. Add abort tool call, make the reasoner report Task abortion #56 to the convo to notify the user.

[songmeo]

• Needs context retention urgently to prevent restart from losing the model context Context retention in memory #63.

[songmeo]

Task abortion needs to be firmer for the reasoner to stop rejecting.