test: isolate cleanup_stale_cowork_socket BATS from host pgrep state#534

sabiut wants to merge 1 commit intoaaddrick:mainaaddrick/claude-desktop-debian:mainfrom

sabiut:fix/533-bats-cleanup-stale-cowork-socket-isolationsabiut/claude-desktop-debian:fix/533-bats-cleanup-stale-cowork-socket-isolationCopy head branch name to clipboard