OpenAI said in June it was sunsetting ChatGPT Pulse, about nine months after launch. For Pro users it did research overnight and had five to ten briefs ready by morning. They sat in a tab inside the ChatGPT app. Overnight work is only as useful as its address. The official line was that proactive updates were moving into scheduled tasks. My read is the address was part of the problem. OpenAI's dots, announced Tuesday, can already be reached in Slack and Teams, with texting listed as coming…