refactor: rename skills from tmux-agent-orchestrate-* to multi-agent-mux-* in backplane scripts and documents

.agents/skills/multi-agent-mux-delegate-job/README.md

@@ -0,0 +1,11 @@
+# multi-agent-mux-delegate-job 스킬
+
+작업(Job)을 자율 에이전트(claude-code/codex/opencode/human)에게 위임하고 MQTT
+이벤트 채널로 비동기 관찰하는 Hermes 스킬. **시작점은 [`SKILL.md`](./SKILL.md).**
+
+- 프로토콜/스키마: [`job-protocol.md`](./job-protocol.md)
+- 브로커 PoC→운영 전환: [`mqtt-broker-setup.md`](./mqtt-broker-setup.md)
+- 레지스트리 포맷/동시성: [`registry.md`](./registry.md)
+- 참조 구현: [`multi-agent-mux-delegate-job`](./multi-agent-mux-delegate-job) (bash wrapper), [`scripts/publish_event.py`](./scripts/publish_event.py), [`scripts/job_subscriber.py`](./scripts/job_subscriber.py), [`scripts/registry.py`](./scripts/registry.py), [`scripts/mqtt_common.py`](./scripts/mqtt_common.py)
+- 영구 감사 로그: `.mam/delegate_job_logs/<job_id>/` (`meta.json`·`events.ndjson`·`status.json`)
+  — `multi-agent-mux-delegate-job logs <id>` 또는 `multi-agent-mux-delegate-job logs --list`로 조회 (SKILL.md "Audit Logs" 참조)