Block a user
ORCH-7: cleanup + hardening (M-4 dead code + M-2 graceful timeout)
ORCH-1 (F-2b): persistent job queue instead of in-process daemon threads
feat: git worktree per task (ORCH-2 / S-4)
ORCH-1 (F-2b): persistent job queue instead of in-process daemon threads
ORCH-6: multi-repo (project filter + repo/prefix per project)