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/css/tbm-mobile.css

@@ -15,7 +15,7 @@ button, .m-tbm-row, .m-tab, .m-new-btn, .m-detail-btn, .m-load-more,
     touch-action: manipulation;
 }
 @media (min-width: 480px) {
-    body { max-width: 480px; margin: 0 auto; min-height: 100vh; }
+    body { max-width: 768px; margin: 0 auto; min-height: 100vh; }
 }
 
 /* Header */
@@ -306,7 +306,7 @@ button, .m-tbm-row, .m-tab, .m-new-btn, .m-detail-btn, .m-load-more,
     justify-content: space-around;
 }
 @media (min-width: 480px) {
-    .m-bottom-nav { max-width: 480px; margin: 0 auto; }
+    .m-bottom-nav { max-width: 768px; margin: 0 auto; }
 }
 .m-nav-item {
     display: flex;