- lib.sh: TMUX_SERVER_NAME env var, _tmux helper, shim externalized
to TMPDIR with recursive guard, resolve_tmux_server helper for
YAML-driven server routing
- multi-agent-create: --tmux-server opt-in flag, YAML tmux_server
field for orphan prevention
- multi-agent-delete/resume/status/agent-sessions-monitor: use
resolve_tmux_server to auto-route to correct isolated server
- SKILL.md × 4: documented isolation server workflow
- Verified by claude review (R1+re-run) + agy R2 patches
(orphan prevention + shim location fix)