Hey, this is a known class of issues. A few things to try and check:
Open Developer Tools via Help > Toggle Developer Tools, then check the Console tab. Do you see any errors when the agent gets stuck?
Does the issue reproduce in a brand new, empty project?
When it freezes, try running pkill -f cursor-shell in your terminal. This has helped some users unblock it temporarily.
Also, please grab the Request ID from the stuck chat using top right context menu > Copy Request ID and share it here. That’ll help us investigate on the backend.