fix(tui): survive dead terminal during shutdown #2016

Job	Run time
Test (coding-agent 1/3)	5m 50s
Static checks	1m 17s
Inspector handoff (ubuntu-latest)	47s
Inspector handoff (windows-latest)	1m 40s
Test (workspaces + scripts)	3m 51s
Test (coding-agent 3/3)	5m 25s
Terminal tools (windows-latest)	1m 30s
Test (coding-agent 2/3)	5m 41s
Inspector handoff (macos-latest)	36s
Terminal tools (ubuntu-latest)	36s
Terminal tools (macos-latest)	1m 13s
Check and test	3s
	28m 29s

Navigation Menu