test(server): steering Claude releases a running foreground command

Red test for #15720: a steer offered with priority "now" while a root
Bash command runs neither interrupts nor backgrounds it, so the CLI
keeps waiting on the command and the steer goes unanswered.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
8ad3df8078Julius Marminge committed on 10/22/2026, 10:52:28 PMparent11adcb0
1 file changedLine totals unavailable