fix(create): support --name alias, default workspace, and grok onboarding dispatch

.agents/skills/lib.sh

@@ -478,7 +478,7 @@ except Exception:
     pass
 " 2>/dev/null || echo "")
     else
-      if [ -n "$MAM_WS_LABEL" ]; then
+      if [ -n "${MAM_WS_LABEL:-}" ]; then
         _real_herdr workspace rename "$existing_ws" "$MAM_WS_LABEL" >/dev/null 2>&1 || true
       fi
     fi

.agents/skills/multi-agent-mux-create/scripts/create_session.sh

@@ -66,7 +66,7 @@ while [ $# -gt 0 ]; do
     --workspace) WORKSPACE="$2"; shift 2 ;;
     --agent)     AGENT="$2";     shift 2 ;;
     --role)      ROLE="$2";      shift 2 ;;
-    --session)   SESSION_NAME="$2"; shift 2 ;;
+    --session|--name) SESSION_NAME="$2"; shift 2 ;;
     --wrapper)   USE_WRAPPER=1; shift ;;
     --dry-run)   DRY_RUN=1; shift ;;
     --herdr-session|--herdr-server) HERDR_SERVER_OPT="$2"; shift 2 ;;
@@ -85,6 +85,8 @@ if [ -n "$HERDR_SERVER_OPT" ]; then
   export HERDR_SESSION_NAME="$HERDR_SERVER_OPT"
 fi
 
+WORKSPACE="${WORKSPACE:-${WORKSPACE_ROOT:-$PWD}}"
+
 # Preflight
 [ -n "$WORKSPACE" ] || { echo "ERROR: --workspace required" >&2; usage; exit 2; }
 [ -n "$AGENT" ]    || { echo "ERROR: --agent required" >&2; usage; exit 2; }
@@ -153,7 +155,7 @@ ws_slug="$(derive_workspace_slug "$WORKSPACE")"
 # 플래그 > 환경변수 > 워크스페이스 슬러그 (C-3: HERDR_SESSION_NAME 과 대칭).
 # D5: resolve_herdr_workspace 를 쓰지 않는다 — 동명 terminated 행 위에 재생성할 때
 #     낡은 pane.cwd 에서 파생된 라벨을 물려받기 때문 (create 는 사실을 세우는 쪽).
-MAM_WS_LABEL="${HERDR_WORKSPACE_OPT:-${HERDR_WORKSPACE:-${ws_slug#mam-}}}"
+export MAM_WS_LABEL="${HERDR_WORKSPACE_OPT:-${HERDR_WORKSPACE:-${ws_slug#mam-}}}"
 if [ -z "$HERDR_SERVER_OPT" ]; then
   if [ -z "${HERDR_SESSION_NAME:-}" ] || [ "$HERDR_SESSION_NAME" = "default" ]; then
     export HERDR_SESSION_NAME="$ws_slug"
@@ -172,7 +174,7 @@ if [ "$(uname)" = "Darwin" ] && [ -f "$RESOLVED_BIN" ]; then
 fi
 
 SESSION_UUID=""
-if [ "$AGENT" = "claude" ]; then
+if [ "$AGENT" = "claude" ] || [ "$AGENT" = "grok" ]; then
   SESSION_UUID="$(mam_gen_uuid)"
 fi
 
@@ -275,6 +277,7 @@ if [ -n "$SUBMIT_JOB_PROMPT" ]; then
       hermes) delegate_agent="hermes-agent" ;;
       cline)  delegate_agent="cline-agent" ;;
       agy)    delegate_agent="antigravity-cli" ;;
+      grok)   delegate_agent="grok-build" ;;
       *) echo "ERROR: cannot resolve delegate agent key for '$AGENT'" >&2; exit 2 ;;
     esac
   fi
@@ -380,6 +383,12 @@ elif agent == 'cline':
     entry['child_pid'] = int(cp) if cp.isdigit() else 0
     entry['cline_conversation_id_own'] = None
     entry['last_visible_status'] = "unverified"
+elif agent == 'grok':
+    assigned = os.environ.get('SESSION_UUID', '') or None
+    entry['grok_session_id_own'] = assigned
+    entry['session_id_source'] = 'assigned' if assigned else 'pending-discovery'
+    entry['session_id_verified'] = False
+    entry['last_visible_status'] = "assigned (awaiting first message)" if assigned else "unverified"
 
 sessions.append(entry)