fix(tbm): 내 TBM 인식 + admin 편집 + 데스크탑 폭 + 하단네비 정리

- isMySession: admin/system/support_team 바이패스 + 중복 비교 제거
- CSS: max-width 480→768px (데스크탑 너무 좁은 문제)
- 하단 네비: 현황/출근 제거 → 연차관리(my-vacation-info) 추가

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

system1-factory/web/js/tbm-mobile.js

@@ -123,11 +123,12 @@
   };
 
   function isMySession(s) {
+    var role = (currentUser.role || '').toLowerCase();
+    if (role === 'admin' || role === 'system' || role === 'support_team') return true;
     var userId = currentUser.user_id;
-    var workerId = currentUser.user_id;
     var userName = currentUser.name;
-    return (userId && String(s.created_by) === String(userId)) ||
-           (workerId && String(s.leader_user_id) === String(workerId)) ||
+    return (userId && (String(s.created_by) === String(userId) ||
+                       String(s.leader_user_id) === String(userId))) ||
            (userName && s.created_by_name === userName);
   }