PAGER: Proactive Monitoring Agent for Enterprise AI Assistant. - Junior Francisco Garcia Ayala; Sujan Dutta; Pranav Umakant Pujar; Sai Sree Harsha; Dan Luo 004; Nikhil Vasudeva; Bikas Saha; Pritom Baruah; Yunyao Li 001 (CAIS, 2026)