refactor: rename metadata directory .hermes to .mam in backplane scripts and documents

.agents/skills/tmux-agent-orchestrate-status/SKILL.md

@@ -17,7 +17,7 @@ metadata:
 
 > **Companion skills**: `tmux-agent-orchestrate-create` (start), `tmux-agent-orchestrate-resume` (re-attach), `tmux-agent-orchestrate-stop` (terminate), `tmux-agent-orchestrate-monitor` (live polling).
 > **Tmux Isolation**: `status` 명령은 YAML에 등록된 모든 세션의 격리 서버(`tmux_server` 필드)를 자동으로 조회하여 상태를 확인하므로, `TMUX_SERVER_NAME` 환경변수를 수동으로 지정하지 않아도 모든 격리 서버의 세션 상태를 통합 조회합니다.
-> **Single source of truth**: `./.hermes/agent-sessions.yaml`.
+> **Single source of truth**: `./.mam/agent-sessions.yaml`.
 
 ## What this skill does
 
@@ -30,7 +30,7 @@ This is the "what's running right now?" answer — faster than dispatching `tmux
 ```bash
 command -v tmux
 command -v python3
-test -f .hermes/agent-sessions.yaml
+test -f .mam/agent-sessions.yaml
 ```
 
 If `agent-sessions.yaml` doesn't exist or is malformed → print clear error, exit 1. **Do not create it.** (Use `tmux-agent-orchestrate-create` first.)

.agents/skills/tmux-agent-orchestrate-status/scripts/status.sh

@@ -24,7 +24,7 @@ if [ "$JSON" = "1" ]; then
   exit 0
 fi
 
-# Project root (parent of .agents/) holds the tmux-agent-orchestrate-delegate-job .hermes registry.
+# Project root (parent of .agents/) holds the tmux-agent-orchestrate-delegate-job .mam registry.
 # Resolved relative to this script — no hardcoded absolute path (review item 6).
 PROJECT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/../../../../" && pwd)"
 
@@ -95,9 +95,9 @@ def get_job_status(s):
     # Candidate locations (review item 6: project-root-relative, no hardcoded abs paths):
     #   1) cwd-relative registry  2) project-root registry  3) project-root audit log
     candidates = [
-        os.path.join('.hermes', 'jobs', f"{jid}.json"),
-        os.path.join(project_root, '.hermes', 'jobs', f"{jid}.json"),
-        os.path.join(project_root, '.hermes', 'delegate_job_logs', jid, 'status.json'),
+        os.path.join('.mam', 'jobs', f"{jid}.json"),
+        os.path.join(project_root, '.mam', 'jobs', f"{jid}.json"),
+        os.path.join(project_root, '.mam', 'delegate_job_logs', jid, 'status.json'),
     ]
     for path in candidates:
         if os.path.exists(path):