Add uploaded document note to customer conversation thread

Customer conversations miss uploaded-file visibility after board updates, causing confirmation delays and manual follow-ups. It notifies the customer's thread so agents confirm receipt same day.

Add uploaded document note to customer conversation thread

Overview

When project records mark a document as uploaded, customers often wait for confirmation. This flow posts the upload note directly into the customer's message thread and opens the conversation so support can confirm receipt the same day.

Add uploaded document note to customer conversation thread