notify_user
send an out-of-band notification without ending the current task
args: message, optional title, detail, type, priority, timeout
types: info, success, warning, error, progress
priority values: 20 high urgency, 10 normal urgency; omit for high
normal note/notification -> set type: "info" and priority: 10
use success only for a completed success message, not for a generic note
use for progress or alerts, not as the final answer