Recurring Senate engines are repeatedly failing before task logic starts with acquire_fail:worktree_creation_failed. Investigate worktree acquisition in the supervisor/worktree path, verify against Quest engine CI (80ffb77b-8391-493c-8644-37086c8e2e3c) and Orchestra operator watchdog (7afeeab6-a0de-49d7-8897-d28bc957cfe7), and land either a code/config fix or a stop-thrashing mitigation with verification.
Last Error
auth_failed: orchestra-web auth dependency enforces this and returns HTTP 401 if